Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-28 Thread Karl Wittnebel via Mercedes
> The rebuilt native 87 300td half shaft failed within 500 miles as
> predicted and the diff tried to leave the subframe, which was twisted up in
> the process.
>
> I have procured a v8 subframe, 2.65 210mm diff from a 91 500sl, v8
> driveshaft complete, and a 4 bolt flange for the transmission and a tranny
> support from a v8 car (larger guibos I think require the V8 cast alu
> support; not sure if it will bolt up as the mounting holes are spaced
> further apart than the steel one).
>


> I have urethane bushings for the whole car, so those will go into the new
> subframe before it goes in. Also have a w211 rear AMG 21mm anti sway bar,
> so will see how that fits.
>
> I have heard the v8 suspension links have a larger eg m12 bolt size than
> the I6 cars. Can anyone confirm?
>
> May do the spindle bushings and bearings while it is apart, so thanks for
> this thread.
>
> Karl
>
>
>
> On Fri, Jul 27, 2018, 3:40 PM Peter Frederick via Mercedes <
> mercedes@okiebenz.com> wrote:
>
>> SKF or Timken.
>>
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-28 Thread Larry Turner via Mercedes

Sounds like FAG is one to add to the 'good' list...

Thanks for the info -

LarryT


On 07/27/2018 11:14 PM, Craig via Mercedes wrote:

On Fri, 27 Jul 2018 19:33:51 -0700 Jim Cathey via Mercedes
 wrote:


Have never heard of FAG, or most others.


It's short for Fischer's Automatische Gussstahlkugelfabrik,
obviously.  :-) Trademarked since 1905.

Fischer was first to invent a machine for making high-quality steel
spheres in volume, in 1883.


http://www.reliablebearing.com/history.htm

History and Development


An early type of linear bearing was an arrangement of tree trunks laid
down under sleds. This technology may date as far back as the
construction of the Pyramids of Giza, though there is no definitive
evidence. Modern linear bearings use a similar principle, sometimes with
balls in place of rollers.

The first plain and rolling-element bearings were wood, but ceramic,
sapphire or glass can be used, and steel, bronze, other metals, and
plastic (e.g., nylon, polyoxymethylene, teflon, and UHMWPE) are all
common today. Indeed, stone was even used in various forms. Think of the
"jewelled pocket watch", which incorporated stones to reduce frictional
loads, and allow a smoother running watch. Of course, with older,
mechanical timepieces, the smoother the operating properties, then the
higher the accuracy and value. Wood can still be seen today in old water
mills, and the water itself had a part to play in the cooling/lubrication
implications, of such natural and commonly found, bearing resources.

John Harrison. Click to read more. Rotary bearings are required for many
applications, from heavy-duty use in vehicle axles and machine shafts, to
precision clock parts. The simplest rotary bearing is the sleeve bearing,
which is just a cylinder inserted between the wheel and its axle. This
was followed by the roller bearing, in which the sleeve was replaced by a
number of cylindrical rollers. Each roller behaves as an individual
wheel.The first practical caged-roller bearing was invented by horologist
John Harrison in his H3 chronometer of 1760.

An early example of a wooden ball bearing, supporting a rotating table,
was retrieved from the remains of a Roman ship in Lake Nemi, Italy. The
wreck was dated to 40 BC. Leonardo da Vinci is said to have described a
type of ball bearing around the year 1500. One of the issues with ball
bearings is that they can rub against each other, causing additional
friction, but this can be prevented by enclosing the balls in a cage. The
captured, or caged, ball bearing was originally described by Galileo in
the 1600s. The mounting of bearings into a set was not accomplished for
many years after that. The first patent for a ball race was by Philip
Vaughan of Carmarthen in 1794.

Friedrich Fischer`s idea from the year 1883 for milling and grinding
balls of equal size and exact roundness by means of a suitable production
machine formed the foundation for creation of an independent bearing
industry.

The initials of the names "Fischers Automatische Gußstahlkugelfabrik" or
"Fischer Aktien-Gesellschaft" became a logo which was registered on 29
July, 1905. In 1962 it got the look it still has today, and it finally
became an integral part of the company in 1979.

The modern, self-aligning design of ball bearing is attributed to Sven
Wingquist of the SKF ball-bearing manufacturer in 1907.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Craig via Mercedes
On Fri, 27 Jul 2018 19:33:51 -0700 Jim Cathey via Mercedes
 wrote:

> >
> > Have never heard of FAG, or most others.
> 
> 
> It's short for Fischer's Automatische Gussstahlkugelfabrik,
> obviously.  :-) Trademarked since 1905.
> 
> Fischer was first to invent a machine for making high-quality steel
> spheres in volume, in 1883.


http://www.reliablebearing.com/history.htm

History and Development


An early type of linear bearing was an arrangement of tree trunks laid
down under sleds. This technology may date as far back as the
construction of the Pyramids of Giza, though there is no definitive
evidence. Modern linear bearings use a similar principle, sometimes with
balls in place of rollers.

The first plain and rolling-element bearings were wood, but ceramic,
sapphire or glass can be used, and steel, bronze, other metals, and
plastic (e.g., nylon, polyoxymethylene, teflon, and UHMWPE) are all
common today. Indeed, stone was even used in various forms. Think of the
"jewelled pocket watch", which incorporated stones to reduce frictional
loads, and allow a smoother running watch. Of course, with older,
mechanical timepieces, the smoother the operating properties, then the
higher the accuracy and value. Wood can still be seen today in old water
mills, and the water itself had a part to play in the cooling/lubrication
implications, of such natural and commonly found, bearing resources.

John Harrison. Click to read more. Rotary bearings are required for many
applications, from heavy-duty use in vehicle axles and machine shafts, to
precision clock parts. The simplest rotary bearing is the sleeve bearing,
which is just a cylinder inserted between the wheel and its axle. This
was followed by the roller bearing, in which the sleeve was replaced by a
number of cylindrical rollers. Each roller behaves as an individual
wheel.The first practical caged-roller bearing was invented by horologist
John Harrison in his H3 chronometer of 1760.

An early example of a wooden ball bearing, supporting a rotating table,
was retrieved from the remains of a Roman ship in Lake Nemi, Italy. The
wreck was dated to 40 BC. Leonardo da Vinci is said to have described a
type of ball bearing around the year 1500. One of the issues with ball
bearings is that they can rub against each other, causing additional
friction, but this can be prevented by enclosing the balls in a cage. The
captured, or caged, ball bearing was originally described by Galileo in
the 1600s. The mounting of bearings into a set was not accomplished for
many years after that. The first patent for a ball race was by Philip
Vaughan of Carmarthen in 1794.

Friedrich Fischer`s idea from the year 1883 for milling and grinding
balls of equal size and exact roundness by means of a suitable production
machine formed the foundation for creation of an independent bearing
industry.

The initials of the names "Fischers Automatische Gußstahlkugelfabrik" or
"Fischer Aktien-Gesellschaft" became a logo which was registered on 29
July, 1905. In 1962 it got the look it still has today, and it finally
became an integral part of the company in 1979.

The modern, self-aligning design of ball bearing is attributed to Sven
Wingquist of the SKF ball-bearing manufacturer in 1907.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Jim Cathey via Mercedes
>
> Have never heard of FAG, or most others.


It's short for Fischer's Automatische Gussstahlkugelfabrik, obviously.  :-)
Trademarked since 1905.

Fischer was first to invent a machine for making high-quality steel spheres
in volume, in 1883.

-- Jim
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Larry Turner via Mercedes
Thanks Mitch!   I'll probably go with the Timken, National or SKF.  No 
need to cheap out.  Course I don't want to go with OEM MB which is 
probably triple the cost of Timken or SKF.


TIA -

Larry



On 07/27/2018 3:41 PM, Mitch Haley via Mercedes wrote:

I just took a look at Rock Auto.
HooFlungDung are under $25, one of them is $13.
Timken and National are $54.
SKF are $85.

Mitch.


On July 27, 2018 at 3:30 PM Karl Wittnebel via Mercedes  
wrote:


Seems like any bearing on that list would be indistinguishable from the
others in terms of real world performance.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Peter Frederick via Mercedes
SKF or Timken.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Karl Wittnebel via Mercedes
It's kind of like Red Bull. If it wasn't expensive, you wouldn't know you
were drinking a premium beverage :-)

On Fri, Jul 27, 2018, 12:41 PM Mitch Haley via Mercedes <
mercedes@okiebenz.com> wrote:

> I just took a look at Rock Auto.
> HooFlungDung are under $25, one of them is $13.
> Timken and National are $54.
> SKF are $85.
>
> Mitch.
>
> > On July 27, 2018 at 3:30 PM Karl Wittnebel via Mercedes <
> mercedes@okiebenz.com> wrote:
> >
> >
> > Seems like any bearing on that list would be indistinguishable from the
> > others in terms of real world performance.
>
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Mitch Haley via Mercedes
I just took a look at Rock Auto. 
HooFlungDung are under $25, one of them is $13.
Timken and National are $54.
SKF are $85.

Mitch. 

> On July 27, 2018 at 3:30 PM Karl Wittnebel via Mercedes 
>  wrote:
> 
> 
> Seems like any bearing on that list would be indistinguishable from the
> others in terms of real world performance.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Karl Wittnebel via Mercedes
Seems like any bearing on that list would be indistinguishable from the
others in terms of real world performance. Is that list based upon anything
objective? A Timken bearing is a pretty good bearing in my experience.

On Fri, Jul 27, 2018, 10:24 AM Rick Knoble via Mercedes <
mercedes@okiebenz.com> wrote:

>
> Larry asks:
>
> >When I get to the point when I'm ready to buy a >replacement bearing
> kit, which  brand is the >highest quality?
>
> In my opinion, (and others) here is the pecking order of bearing quality.
>
> 1. FAG
> 2. SKF
> 3. NSK
> 4. NTN
> 5. Timken
>
> Aisin should probably be in there somewhere.
>
> Stay away from Chinesium bearings would be the foremost admononishment.
>
> Rick
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Rick Knoble via Mercedes
 
Larry asks:

>When I get to the point when I'm ready to buy a >replacement bearing kit, 
>which  brand is the >highest quality? 

In my opinion, (and others) here is the pecking order of bearing quality. 

1. FAG
2. SKF
3. NSK
4. NTN
5. Timken

Aisin should probably be in there somewhere. 

Stay away from Chinesium bearings would be the foremost admononishment.

Rick
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Larry Turner via Mercedes

Hi Ya'll,

When I get to the point when I'm ready to buy a replacement bearing kit, 
which  brand is the highest quality? I've seen FAG, Aftermarket (there's 
a creative name), and others.  Have never heard of FAG, or most others.


TIA!

LarryT


On 07/26/2018 8:48 PM, Mitch Haley via Mercedes wrote:

On July 26, 2018 at 8:33 PM Peter Frederick via Mercedes 
 wrote:


The tie rod has a standard tie rod end that you will need to pop loose with a 
pickle fork or a lever type tool (which I prefer).

The other links unbolt, but the rubber is part of the spring action and the 
wheel carrier must be at ride height when you tighten the bolts back up.  No 
need to loosen the other end unless the rubber is shot.

For some reason I was thinking it was similar to the W163, which didn't involve 
any rubber bushed joints to remove the axle. Oops.

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-27 Thread Larry Turner via Mercedes

Thanks Peter


On 07/26/2018 8:48 PM, Mitch Haley via Mercedes wrote:

On July 26, 2018 at 8:33 PM Peter Frederick via Mercedes 
 wrote:


The tie rod has a standard tie rod end that you will need to pop loose with a 
pickle fork or a lever type tool (which I prefer).

The other links unbolt, but the rubber is part of the spring action and the 
wheel carrier must be at ride height when you tighten the bolts back up.  No 
need to loosen the other end unless the rubber is shot.

For some reason I was thinking it was similar to the W163, which didn't involve 
any rubber bushed joints to remove the axle. Oops.

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-26 Thread Mitch Haley via Mercedes


> On July 26, 2018 at 8:33 PM Peter Frederick via Mercedes 
>  wrote:
> 
> 
> The tie rod has a standard tie rod end that you will need to pop loose with a 
> pickle fork or a lever type tool (which I prefer).
> 
> The other links unbolt, but the rubber is part of the spring action and the 
> wheel carrier must be at ride height when you tighten the bolts back up.  No 
> need to loosen the other end unless the rubber is shot.

For some reason I was thinking it was similar to the W163, which didn't involve 
any rubber bushed joints to remove the axle. Oops. 

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-26 Thread Peter Frederick via Mercedes
The tie rod has a standard tie rod end that you will need to pop loose with a 
pickle fork or a lever type tool (which I prefer).

The other links unbolt, but the rubber is part of the spring action and the 
wheel carrier must be at ride height when you tighten the bolts back up.  No 
need to loosen the other end unless the rubber is shot.

Tightening them up with the wheel carrier hanging will result in very odd ride 
and funny wheel position, plus they won't last.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-26 Thread Curley McLain via Mercedes
no, this is the 5 link rear suspension.  No ball joints, except one link 
has small ball joints.  the 5 suspension links are what need to be 
tightened with the wheel in driving position (loaded)  all other 
fasteners are tightened as normal.  I reuse all fasteners that are not 
obviously bad.




Mitch Haley via Mercedes wrote:

Removing the wheel carrier should involve some ball joints, a brake caliper and 
a parking brake cable. Suspension position shouldn't matter when tightening 
ball joint stud nuts.

If you loosen any bolts in control arm bushings, those should be tightened with 
the car parked on a level surface, or you'll be twisting the bushings when the 
car's just sitting there and they won't last long.

Mitch.

_



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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-26 Thread Larry Turner via Mercedes

Thanks Mitch -

I'll have my suspension shop check the alignment and also check the 
torque on the fasteners...


Sincerely,

Larry


On 07/25/2018 10:56 PM, Mitch Haley via Mercedes wrote:

Removing the wheel carrier should involve some ball joints, a brake caliper and 
a parking brake cable. Suspension position shouldn't matter when tightening 
ball joint stud nuts.

If you loosen any bolts in control arm bushings, those should be tightened with 
the car parked on a level surface, or you'll be twisting the bushings when the 
car's just sitting there and they won't last long.

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-25 Thread Mitch Haley via Mercedes
Removing the wheel carrier should involve some ball joints, a brake caliper and 
a parking brake cable. Suspension position shouldn't matter when tightening 
ball joint stud nuts. 

If you loosen any bolts in control arm bushings, those should be tightened with 
the car parked on a level surface, or you'll be twisting the bushings when the 
car's just sitting there and they won't last long. 

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-25 Thread Larry Turner via Mercedes

Hey Curley,

That's really good to know!  Thanks for that!

Now my plans can start to come together.   I'm probably worrying too 
much about this, but the thought of wailing away on the axle shaft to 
pop it loose bothers me.  it'll probably go easy and even if the 
cir-clip is damaged I can use a new one.   Hopefully the bolted 
connections come loose easy...


Once I see what the bearing looks like I should know if I can re-use the 
carrier.   Hopefully the shop I plan to r the bearings will have few 
problems.  but even if they do there seems to be lots of used ones 
around if the present one needs to be replaced.


The Pelican procedure suggest using new fasteners and compression 
sleeves.  I understand the sleeves but if the bolts/nuts aren't damaged 
shouldn't they be ok to re-use?


Lastly, all the procedures I've read all say to have the weight of the 
car on the tires before final tightening the bolts.  Do all fasteners 
need to wait for this?  But I guess I could drive it to the shop to have 
that done?  Don't see me crawling under to do the final torquing..


TIA!

Larry.


On 07/25/2018 7:00 PM, Curley McLain via Mercedes wrote:
I suspect that it will be fine.  When the rear subframe mounts get 
dead rubber, you will know it.  The car get squirrelly going over RR 
tracks, but is normal most of the time.  Until it gets squirrelly 
going over tracks, I'd not worry about it, and even thern you probably 
have 1-5 years before you need to worry. Drive it.


Larry Turner via Mercedes wrote:
Got a question regarding my rusted connection over the rear 
suspension:  I'm thinking that if I go through with replacing the 
wheel bearing carrier, maybe I can just ignore the rusty connection 
and drive?  After all, very few similar problems have been found but 
granted it's not a problem to get noticed unless the shop uses a 
prybar to pry between the connection.   Otherwise it's like rust in 
most other cases, it just does its thing.  I haven't heard of any 
sounds or strange handling characteristics when these connections get 
rusty and as long as we don't race around corners we'll probably 
forget the problem is there.  Also, hopefully I can eventually either 
weld a sandwich of metal above and below the rusted area and re--bolt 
the connection or find a shop to do it if my health never improves to 
allow me to get under the car again.


Am I being dangerous in my thoughts?  I think I freaked out when the 
shop told me the connection between the rear susp and chassis was 
rusted.  Plus I like everything to work as it should


Thanks Guys,

LarryT



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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-25 Thread Curley McLain via Mercedes
I suspect that it will be fine.  When the rear subframe mounts get dead 
rubber, you will know it.  The car get squirrelly going over RR tracks, 
but is normal most of the time.  Until it gets squirrelly going over 
tracks, I'd not worry about it, and even thern you probably have 1-5 
years before you need to worry.   Drive it.


Larry Turner via Mercedes wrote:
Got a question regarding my rusted connection over the rear 
suspension:  I'm thinking that if I go through with replacing the 
wheel bearing carrier, maybe I can just ignore the rusty connection 
and drive?  After all, very few similar problems have been found but 
granted it's not a problem to get noticed unless the shop uses a 
prybar to pry between the connection.   Otherwise it's like rust in 
most other cases, it just does its thing.  I haven't heard of any 
sounds or strange handling characteristics when these connections get 
rusty and as long as we don't race around corners we'll probably 
forget the problem is there.  Also, hopefully I can eventually either 
weld a sandwich of metal above and below the rusted area and re--bolt 
the connection or find a shop to do it if my health never improves to 
allow me to get under the car again.


Am I being dangerous in my thoughts?  I think I freaked out when the 
shop told me the connection between the rear susp and chassis was 
rusted.  Plus I like everything to work as it should


Thanks Guys,

LarryT



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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-25 Thread Larry Turner via Mercedes
Got a question regarding my rusted connection over the rear suspension:  
I'm thinking that if I go through with replacing the wheel bearing 
carrier, maybe I can just ignore the rusty connection and drive?  After 
all, very few similar problems have been found but granted it's not a 
problem to get noticed unless the shop uses a prybar to pry between the 
connection.   Otherwise it's like rust in most other cases, it just does 
its thing.  I haven't heard of any sounds or strange handling 
characteristics when these connections get rusty and as long as we don't 
race around corners we'll probably forget the problem is there.  Also, 
hopefully I can eventually either weld a sandwich of metal above and 
below the rusted area and re--bolt the connection or find a shop to do 
it if my health never improves to allow me to get under the car again.


Am I being dangerous in my thoughts?  I think I freaked out when the 
shop told me the connection between the rear susp and chassis was 
rusted.  Plus I like everything to work as it should


Thanks Guys,

LarryT


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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Mitch Haley via Mercedes


I couldn't find my old 1980s JC Whitney ball joint press so I bought a new 
Gearwrench one for the ball joints on the ML. The Gearwrench was better 
quality, and about the same $$ that I paid for the other one 30 years ago. 
https://www.amazon.com/GearWrench-3916D-Universal-Joint-Separator/dp/B003YVWHOE
As it turned out, I never used it. 
ALL of the ball joint studs started turning with the nuts, making it a real 
hassle to get the nuts the rest of the way off. (basically had to use a jack 
and the weight of the car to hold the studs in the tapers so I could unscrew 
the nuts)

If you can buy a used hub assembly, then you have to take the axle nut off 
(36mm on my ML),
thump the axle with a sledge until it slides on the splines,
take the brakes off (the drum parking brake might be a hassle)
separate the ball joints
and swap the hub assemblies. 

Or find an indy with the on-the car press or one which can do it on a bench 
press and buy a new bearing, or just pay the dealer $500 or whatever they want 
to do the job. 

On my ML, diagnosis was easy. It was making an increasingly bad noise for about 
50 miles, I put it on a hoist, and my left rear wheel had 1/4" of slop in it. 
Then I was 100% sure I needed a wheel bearing.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Larry Turner via Mercedes

Hi Mitch!

That doesn't sound like a fun way to spend a weekend!  BTW, what you 
described is very much what I saw the mechanics doing in the videos - 
they were using a foreign language I didn't recognize but it may have 
been German.  The sound was pretty poor.


They also used a shop made slide tool which had 2, 3' long legs that 
bolted behind the hub - then a large sledge was used to whack away at 
the other end (non-hub end) until it pulled loose.


The BMW guy also used a bearing collar behind the hub to press the hub 
off using lug bolts to push thru the flange against the collar slowly 
pulling the hub away from the carrier.


After watching the various videos I became more familiar with what I 
might need do! :-)


I must admit though, I'm having 2nd thoughts...  I get around pretty 
good with my walker but my adult son is not mechanically inclined (at 
all) and my wife has good intentions but lacks the weight needed to 
loosen bolts, etc.


But if I can get close to things while in my chair, I should be able to 
do the job.  I have plenty of tools to help along the way - and a large 
group of knowledgeable friends to tell me how to work around a problem. 
wink, wink -


Thanks to all -

LarryT


On 07/21/2018 2:31 PM, Mitch Haley via Mercedes wrote:

On July 21, 2018 at 1:22 PM Larry Turner via Mercedes  
wrote:

Perhaps the Harbor Freight Bearing tools might make this a driveway
job?   BTW, I also watch a couple of videos showing slide hammers and
similar being used (w/a sledge hammer!) that looked like the mechanics
doing the work probably needed to go home for some rest! :-)

There's an expensive tool (about $400 for the Chinese copy, I forget what the 
real one costs) that makes the job easy-peasy. I saw a youtube video of the job 
done the right way last winter.

I did a ML (W163) rear wheel bearing ($40 Timken bearing) without the tool.
Had to undo some ball joints to take the axle out.
Then used a BIG (10lb I believe) slide hammer bolted to the hub flange to yank 
it out of the bearing. Took a lot of hammering to get it out after I put the 
ball joints back together to hold the knuckle in place.
Then a big set of snap ring pliers to get the bearing retaining ring out.
Then I used the discs from a bearing/seal driving kit with a long bolt/nut to 
push the old bearing out and drove the new bearing in with a combination of the 
outer shell from the old bearing and the bolt/disc setup.
Not a job I look forward to doing again, but I did buy two of the bearings so I 
have one on hand in case another one fails.

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Peter Frederick via Mercedes
We pull the carrier and use a press.  Much faster, and I've never been able to 
get a hub out with a slide hammer.  In my case they had been in there for 28 
years.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Mitch Haley via Mercedes

> On July 21, 2018 at 1:22 PM Larry Turner via Mercedes  
> wrote:
> 
> Perhaps the Harbor Freight Bearing tools might make this a driveway 
> job?   BTW, I also watch a couple of videos showing slide hammers and 
> similar being used (w/a sledge hammer!) that looked like the mechanics 
> doing the work probably needed to go home for some rest! :-)

There's an expensive tool (about $400 for the Chinese copy, I forget what the 
real one costs) that makes the job easy-peasy. I saw a youtube video of the job 
done the right way last winter. 

I did a ML (W163) rear wheel bearing ($40 Timken bearing) without the tool.  
Had to undo some ball joints to take the axle out. 
Then used a BIG (10lb I believe) slide hammer bolted to the hub flange to yank 
it out of the bearing. Took a lot of hammering to get it out after I put the 
ball joints back together to hold the knuckle in place. 
Then a big set of snap ring pliers to get the bearing retaining ring out. 
Then I used the discs from a bearing/seal driving kit with a long bolt/nut to 
push the old bearing out and drove the new bearing in with a combination of the 
outer shell from the old bearing and the bolt/disc setup. 
Not a job I look forward to doing again, but I did buy two of the bearings so I 
have one on hand in case another one fails. 

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Larry Turner via Mercedes

Thanks,

BTW, I was browsing YouTube videos and came across this R Whl Brg R 
for a BMW - after watching I thought it was very much like the W124.


https://www.youtube.com/watch?v=D4PK1jXhppE

Some of the fasteners are different and it doesn't have the 5 point rear 
deal like a 124 but the axle bearings look very similar.


Perhaps the Harbor Freight Bearing tools might make this a driveway 
job?   BTW, I also watch a couple of videos showing slide hammers and 
similar being used (w/a sledge hammer!) that looked like the mechanics 
doing the work probably needed to go home for some rest! :-)


Anyway,

Larry



On 07/21/2018 9:56 AM, Peter Frederick via Mercedes wrote:

You can check them in place -- jack up the car so you can reach the axle and 
rotate the shaft.  If either end moves in relation to the joint, it's bad.  
They can go bad like my Golf though, and grind.  You'd probably have to pull it 
to see if it's the wheel bearing or the axle joint unless it's bad enough the 
cause the wheel to have excess play on the bearing.

I suspect you will have to buy the whole axle, and do not get a "rebuilt" one 
unless you know for certain they put NEW joints on it.

The wheel bearing is like any other, grinding or thumping on rotation is a bad 
one.  They don't go very often, they are quite robust, but I have had a couple 
go on my since 1980.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Peter Frederick via Mercedes
You can check them in place -- jack up the car so you can reach the axle and 
rotate the shaft.  If either end moves in relation to the joint, it's bad.  
They can go bad like my Golf though, and grind.  You'd probably have to pull it 
to see if it's the wheel bearing or the axle joint unless it's bad enough the 
cause the wheel to have excess play on the bearing.

I suspect you will have to buy the whole axle, and do not get a "rebuilt" one 
unless you know for certain they put NEW joints on it.

The wheel bearing is like any other, grinding or thumping on rotation is a bad 
one.  They don't go very often, they are quite robust, but I have had a couple 
go on my since 1980.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Larry Turner via Mercedes
Based on your description of the noises I am inclined to be confident 
the outer bearing is bad - we get a loud growling noise starting at 
45mph or so and getting worse and speed increases. But I don't recall 
any vibrations on accel / decel or clunks as you describe.


The CV joint is a question though - are the axles sold as complete units 
with new CVs at each end?  Never mind - I can look on Pelican, etc.


I have changed Axle shafts on FWD cars when the CVs started clicking - 
the old shaft popped out and the new one popped in - is it the same with 
W124?


Also, let's say I get the carriers off and it's not damaged so it can't 
be reused.   If I rotate the axle shaft will that tell me anything about 
the condition of the CVs?


Larry


On 07/21/2018 8:59 AM, Peter Frederick via Mercedes wrote:

A bad bearing can damage the wheel carrier, or at least "grow" enough to be 
very difficult to get out -- had that happen a time or two.

Basically the bearing is a double row ball bearing with one side free (so it 
can be assembled) -- the axle nut holds it together.

The nub is pressed into the center, and unless you've stripped a bolt hole or 
it's badly corroded, it's perfectly re-usable.

Check the axle for a bad CV joint before condemning the bearing though -- if 
there is ANY rotational play  between joints and shaft one end or the other is 
shot.  Typically the inner end, which is a tripod design, goes long before the 
outer Rzeppa joint does, but they can both go bad.  The inner causes vibration 
on acceleration and/or deceleration and clunks when you put it in gear, the 
outer usually starts grinding with the noise most noticable at speeds around 
50-60 mph.

I'm replacing an axle in the Golf this weekend for that reason -- the inner 
Rzeppa is grinding.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Peter Frederick via Mercedes
A bad bearing can damage the wheel carrier, or at least "grow" enough to be 
very difficult to get out -- had that happen a time or two.

Basically the bearing is a double row ball bearing with one side free (so it 
can be assembled) -- the axle nut holds it together.

The nub is pressed into the center, and unless you've stripped a bolt hole or 
it's badly corroded, it's perfectly re-usable.

Check the axle for a bad CV joint before condemning the bearing though -- if 
there is ANY rotational play  between joints and shaft one end or the other is 
shot.  Typically the inner end, which is a tripod design, goes long before the 
outer Rzeppa joint does, but they can both go bad.  The inner causes vibration 
on acceleration and/or deceleration and clunks when you put it in gear, the 
outer usually starts grinding with the noise most noticable at speeds around 
50-60 mph.  

I'm replacing an axle in the Golf this weekend for that reason -- the inner 
Rzeppa is grinding.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-21 Thread Larry Turner via Mercedes

Thanks Peter!

I need to look at the WSM    again - I'm not understanding the hub 
completely.  Or I could pull a wheel and take a look - might be worth 
the time because I find the idea of replacing the carrier w/a used one 
interesting.  Then again, I'm not sure I would gain anything by using a 
Used carrier Vs removing mine, taking it to a shop and having them R 
the bearing then I replace the carrier.  That 2nd option may simplify 
things as it insures the part I have fits.


My bearing was really making a lot of noise - I have been assuming the 
bearing would absorb all the damage leaving the carrier undamaged - is 
that a realistic assumption?


Yeah, I recall seeing the Nm for that 30mm nut - over 200 IIRC.

Larry


On 07/20/2018 6:37 PM, Peter Frederick via Mercedes wrote:

The bearing is pressed into the wheel carrier, and then the hub is pressed into 
the center of the bearing.  Don't want you to end up with half of what you 
need, eh?  Three parts there.

The axle does indeed fit on a spline through the hub.  It also holds the 
bearing together, so the nut needs to be tightened correctly.  Failed to do 
that once and had to repeat the job.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-20 Thread Peter Frederick via Mercedes
The bearing is pressed into the wheel carrier, and then the hub is pressed into 
the center of the bearing.  Don't want you to end up with half of what you 
need, eh?  Three parts there.

The axle does indeed fit on a spline through the hub.  It also holds the 
bearing together, so the nut needs to be tightened correctly.  Failed to do 
that once and had to repeat the job.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-20 Thread Larry Turner via Mercedes
Hi Peter, just to be sure I understand what you are saying when you 
wrote, "not just the hub that presses into the bearing." - I thought 
the bearing presses into the hub, not the other way around? Then the 
axle slides thru the center of the bearing..., no?


I think it is easy for me to stumble over the various names these parts 
seem to have...


Thanks,

Larry


On 07/16/2018 4:31 PM, Peter Frederick via Mercedes wrote:

Make sure it's the complete wheel carrier, not just the hub that presses into 
the bearing.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-20 Thread Larry Turner via Mercedes
Max's comment about ASR helps because I don't have ASR - only ABS - so 
hopefully that's not going to be a concern.  But it looks like I should 
try to find parts from cars close in manufacture to mine to minimize 
problems and to state my 91 300D is non ASR.


I've been looking at Car-Part.com list of parts and they have a listing 
for Knee (see also Strut Assy) so I tried searing for that.  In the end 
it will take one on one talking to the junk yard guy on the phone if I 
can get them.  Our local yard never answers the phone - they say come 
look and see if we have what you need. ;-^


OK guys, my local shop for state insp is booked til next week but I will 
go then and try to get a photo of the underside -


LarryT


On 07/17/2018 8:41 AM, Mitch Haley via Mercedes wrote:

On July 17, 2018 at 8:29 AM Larry Turner via Mercedes  
wrote:


Hmmm, so a much newer part might fit?

When I look at Car-part.com, for the rear knuckle they give me parts ranging 
from a 1984 W201 to 1994 R129/W124/W202. The newest right rear knuckles 
available in the US that car-part thinks will fit a 1991 300D are from 1994. 
Maybe they went to 4 channel ABS or made some other change in 1995?

If I search for a 1995 E300D, the results range from 1995 124/129/202 to 2000 C 
class.

It seems a bit odd, because I thought a 1994 W124 was identical to a 1995 W124.

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-20 Thread Larry Turner via Mercedes

Thanks Max - very helpful!


On 07/17/2018 8:40 PM, Max Dillon via Mercedes wrote:

Only the cars with ASR got 4 channel ABS.   Most 124 are 3 channel, with third 
sensor at input to differential.



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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Max Dillon via Mercedes
I can't answer that, I'd have to look at the EPC to figure that out.
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On July 17, 2018 8:45:08 PM EDT, Mitch Haley via Mercedes 
 wrote:
>
>> On July 17, 2018 at 8:40 PM Max Dillon via Mercedes
> wrote:
>> 
>> 
>> Only the cars with ASR got 4 channel ABS.   Most 124 are 3 channel,
>with third sensor at input to differential.  
>
>Then why does Car-Part's exchange list 1995 rear knuckles as different
>from 1986-1994?
>
>Mitch.
>
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Mitch Haley via Mercedes


> On July 17, 2018 at 8:40 PM Max Dillon via Mercedes  
> wrote:
> 
> 
> Only the cars with ASR got 4 channel ABS.   Most 124 are 3 channel, with 
> third sensor at input to differential.  

Then why does Car-Part's exchange list 1995 rear knuckles as different from 
1986-1994?

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Max Dillon via Mercedes
Only the cars with ASR got 4 channel ABS.   Most 124 are 3 channel, with third 
sensor at input to differential.  
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Curley McLain via Mercedes
yes, the gasser and Diesel rear axle carrier are the same.  Wagons have 
a heavier duty bearing, I was told.


Larry Turner via Mercedes wrote:
Wow!  They have a hub for a 300E for only $70 which I assume would be 
the same as the one I need for my 300D?


This is the 1st time I have contacted Car-Part.com but it won't be the 
last.


Thanks again.

LarryT

91 300D 2.5T



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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Mitch Haley via Mercedes

> On July 17, 2018 at 8:29 AM Larry Turner via Mercedes  
> wrote:
> 
> 
> Hmmm, so a much newer part might fit? 

When I look at Car-part.com, for the rear knuckle they give me parts ranging 
from a 1984 W201 to 1994 R129/W124/W202. The newest right rear knuckles 
available in the US that car-part thinks will fit a 1991 300D are from 1994. 
Maybe they went to 4 channel ABS or made some other change in 1995?

If I search for a 1995 E300D, the results range from 1995 124/129/202 to 2000 C 
class. 

It seems a bit odd, because I thought a 1994 W124 was identical to a 1995 W124.

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Larry Turner via Mercedes
Hmmm, so a much newer part might fit?  And I could (maybe) use more 
modern links?   That'll take some extensive research to do that, but I 
agree completely that MB designed the W124 with future fit in mind.


Having said that, the rear wheel carrier (which I have been calling it) 
is pretty basic and should be the same across all model lines.  Sedans / 
sedans and wagons / wagons although I assume there's a certain amount of 
cross over even between sedans/wagons but I think they're rare.


You're given me a lot to consider

Thanks!

Larry


On 07/17/2018 8:10 AM, Peter Frederick via Mercedes wrote:

The axle in the wagon is larger diameter than the sedan, but I think that's the 
only difference.

And I suspect it's the same part in use today, MB is good at designing properly 
and then using common parts for a very long time.  I think the rear suspension 
is exactly the same on current production as on the W124 with the exception of 
better links and different screws.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Larry Turner via Mercedes
Well, my reference books have failed me.  But if I inspect the high 
pressure lines going to/from the ABS controller under the hood it might 
tell me something, right?  If I have tubing going to each wheel rather 
than 1 for the differential shaft I will know the answer I suspect.  I 
recall the ABS device under the hood (near the PS reservoir) and will 
look at it to see what it will tell us.


But this is important stuff for me to know before I buy a replacement 
hub/carrier (If I buy one).


I hope to take the car to my local shop for a state inspection later 
today.  Hopefully I can get them to let me take some photos of the rear 
under carriage.


Thx again,

Larry


On 07/17/2018 7:14 AM, Mitch Haley via Mercedes wrote:

Did the early W124 have W201 style 3 channel ABS with the ABS sensor on the 
differential input shaft?
And does your 1991 have a sensor on each hub?

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Peter Frederick via Mercedes
The axle in the wagon is larger diameter than the sedan, but I think that's the 
only difference. 

And I suspect it's the same part in use today, MB is good at designing properly 
and then using common parts for a very long time.  I think the rear suspension 
is exactly the same on current production as on the W124 with the exception of 
better links and different screws.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Larry Turner via Mercedes
Thanks for the questions, I think it does have a sensor at each hub but 
will have to confirm that...  Not sure I woud consider my 91 to be a 
early 124 - maybe more a mid year?


I have the Tech Data book I can check.  But I'll find the answer ;-)

LarryT


On 07/17/2018 7:14 AM, Mitch Haley via Mercedes wrote:

Did the early W124 have W201 style 3 channel ABS with the ABS sensor on the 
differential input shaft?
And does your 1991 have a sensor on each hub?

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Mitch Haley via Mercedes
Did the early W124 have W201 style 3 channel ABS with the ABS sensor on the 
differential input shaft?
And does your 1991 have a sensor on each hub?

Mitch.

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-17 Thread Larry Turner via Mercedes

Hi Peter,

Thanks for that!  BTW, I have found they are not consistent in the way 
they name their parts.  But I will be sure to ask that is it the Wheel 
Carrier and try to get a photo of the part before I buy.   I'm going to 
check EPC to see if there are any differences over the W124 years - I 
have ABS and I think that was one variety - even though I thought all 
the W124 came with ABS,  Well, I guess all the post 1990 would have ABS 
as standard.  That may be wrong, but I'll see what EPC tells me.


Thanks again for the advice!

LarryT

91 300D


On 07/16/2018 4:31 PM, Peter Frederick via Mercedes wrote:

Make sure it's the complete wheel carrier, not just the hub that presses into 
the bearing.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-16 Thread Peter Frederick via Mercedes
Make sure it's the complete wheel carrier, not just the hub that presses into 
the bearing.
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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-16 Thread Larry Turner via Mercedes
Wow!  They have a hub for a 300E for only $70 which I assume would be 
the same as the one I need for my 300D?


This is the 1st time I have contacted Car-Part.com but it won't be the 
last.


Thanks again.

LarryT

91 300D 2.5T


On 07/14/2018 10:45 AM, Curley McLain via Mercedes wrote:

car-part.com


Larry Turner via Mercedes wrote:
Hi Guys,  for a change things are looking up.  I tried to start the 
subject 300D and found the battery was dead and refused to take a 
charge.  It was bought in 2014 and had almost 1000 CCA's but dead is 
dead.  So I went into my garage (slowly as usual on my walker) ;-) 
and found the battery that had been in my 78 240D still had an 
acceptable amount of Volts in it so after a quick charge for good 
measure, I removed the old battery and installed the even older 
battery - it had been bought in 2010 and even after sitting in my 
garage for pushing 4 years (IIRC) it was "alive"! (As in "Young 
Frankenstein")  Once connected it fired on the 1st compression 
stroke.  It really amazed me!  Even after not being started since 
late Dec 2017.


The next step is to get a state inspection and while there I'll ask 
if I can take some photos of the supposed rust damage my Indy told me 
about.  I can then post the photos and get your opinion. They're busy 
today so maybe Monday?


Then, depending on what we find, I will want to repair the rear wheel 
bearing on the starboard (r) side.  As suggested by those of you more 
knowledgeable than me,  I am considering replacing the bearing/hub 
carrier completely and not going to the trouble of having the old 
bearing replaced (since I would still have to R the hub).


So, to (finally) get to my point, does anyone have any spare right 
side hubs they would like to part with?  Timing is not critical - we 
have the Explorer to drive for now.  But I am hoping we can use the 
MB for everyday driving and save the Explorer for trips to the range.


Anyone have one or know where I might find a hub?  I have been 
putting out feelers to recyclers looking for hubs and  only got one 
specific reply.  Besides, I like options.   ;-)


Thanks gang!

LarryT

91 300D 2.5T

VIN: WDB.EB28D1MB.364746




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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-14 Thread Curley McLain via Mercedes

car-part.com


Larry Turner via Mercedes wrote:
Hi Guys,  for a change things are looking up.  I tried to start the 
subject 300D and found the battery was dead and refused to take a 
charge.  It was bought in 2014 and had almost 1000 CCA's but dead is 
dead.  So I went into my garage (slowly as usual on my walker) ;-) and 
found the battery that had been in my 78 240D still had an acceptable 
amount of Volts in it so after a quick charge for good measure, I 
removed the old battery and installed the even older battery - it had 
been bought in 2010 and even after sitting in my garage for pushing 4 
years (IIRC) it was "alive"! (As in "Young Frankenstein")  Once 
connected it fired on the 1st compression stroke.  It really amazed 
me!  Even after not being started since late Dec 2017.


The next step is to get a state inspection and while there I'll ask if 
I can take some photos of the supposed rust damage my Indy told me 
about.  I can then post the photos and get your opinion. They're busy 
today so maybe Monday?


Then, depending on what we find, I will want to repair the rear wheel 
bearing on the starboard (r) side.  As suggested by those of you more 
knowledgeable than me,  I am considering replacing the bearing/hub 
carrier completely and not going to the trouble of having the old 
bearing replaced (since I would still have to R the hub).


So, to (finally) get to my point, does anyone have any spare right 
side hubs they would like to part with?  Timing is not critical - we 
have the Explorer to drive for now.  But I am hoping we can use the MB 
for everyday driving and save the Explorer for trips to the range.


Anyone have one or know where I might find a hub?  I have been putting 
out feelers to recyclers looking for hubs and  only got one specific 
reply.  Besides, I like options.   ;-)


Thanks gang!

LarryT

91 300D 2.5T

VIN: WDB.EB28D1MB.364746




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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-13 Thread Craig via Mercedes
On Fri, 13 Jul 2018 20:21:17 -0400 Larry Turner via Mercedes
 wrote:

> Anyone have one or know where I might find a hub?  I have been putting 
> out feelers to recyclers looking for hubs and  only got one specific 
> reply.  Besides, I like options.   ;-)

Check out http://car-part.com/


Craig

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-13 Thread Max Dillon via Mercedes
Correct.
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On July 13, 2018 8:34:17 PM EDT, Buggered Benzmail via Mercedes 
 wrote:
>That’s a 124?
>
>--FT
>

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Re: [MBZ] My 91 300D Rear Hub etc.

2018-07-13 Thread Buggered Benzmail via Mercedes
That’s a 124?

--FT
Sent from iPhone

> On Jul 13, 2018, at 8:21 PM, Larry Turner via Mercedes 
>  wrote:
> 
> Hi Guys,  for a change things are looking up.  I tried to start the subject 
> 300D and found the battery was dead and refused to take a charge.  It was 
> bought in 2014 and had almost 1000 CCA's but dead is dead.  So I went into my 
> garage (slowly as usual on my walker) ;-) and found the battery that had been 
> in my 78 240D still had an acceptable amount of Volts in it so after a quick 
> charge for good measure, I removed the old battery and installed the even 
> older battery - it had been bought in 2010 and even after sitting in my 
> garage for pushing 4 years (IIRC) it was "alive"! (As in "Young 
> Frankenstein")  Once connected it fired on the 1st compression stroke.  It 
> really amazed me!  Even after not being started since late Dec 2017.
> 
> The next step is to get a state inspection and while there I'll ask if I can 
> take some photos of the supposed rust damage my Indy told me about.  I can 
> then post the photos and get your opinion. They're busy today so maybe Monday?
> 
> Then, depending on what we find, I will want to repair the rear wheel bearing 
> on the starboard (r) side.  As suggested by those of you more knowledgeable 
> than me,  I am considering replacing the bearing/hub carrier completely and 
> not going to the trouble of having the old bearing replaced (since I would 
> still have to R the hub).
> 
> So, to (finally) get to my point, does anyone have any spare right side hubs 
> they would like to part with?  Timing is not critical - we have the Explorer 
> to drive for now.  But I am hoping we can use the MB for everyday driving and 
> save the Explorer for trips to the range.
> 
> Anyone have one or know where I might find a hub?  I have been putting out 
> feelers to recyclers looking for hubs and  only got one specific reply.  
> Besides, I like options.   ;-)
> 
> Thanks gang!
> 
> LarryT
> 
> 91 300D 2.5T
> 
> VIN: WDB.EB28D1MB.364746
> 
> 
> 
> 
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> http://www.okiebenz.com
> 
> To search list archives http://www.okiebenz.com/archive/
> 
> To Unsubscribe or change delivery options go to:
> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 

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