Re: [MBZ] OT: Golf brakes

[Curley McLain via Mercedes]

The pressure bleed from on top was the only way I could get the 107 with 
ABS to behave.  I never had any such problem with 126 cars with ABS, 
just gravity bleed from above. Keep the reservoir full enough so it 
won't run out.  Simple.


I made a pressure bleeder with a new $10 1 gallon sprayer from the HoDe, 
a few fittings, 20' of 5/16 tubing and a new cap form flaps.   Dump a QT 
ot DOT5 fluid in and go.  In this case, I found real Castrol GT brake 
fluid, which is my mind the gold standard, although ATE stuff should 
also be a gold standard. (probably pentosin too)



Fred Moir via Mercedes 
August 16, 2016 at 8:48 PM
Max.

There is.

Though I could not put my finger right on it.

I said something about exercising the ABS valves one at a time.

I just use my speedi-Bleed.


Fred Moir.
Lynn MA.
Diesel preferred.


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Re: [MBZ] OT: Golf brakes

[Meade Dillon via Mercedes]

Fred, I will dig into the FSM and see what I can learn.

-
Max
Charleston SC

On Tue, Aug 16, 2016 at 9:48 PM, Fred Moir via Mercedes <
mercedes@okiebenz.com> wrote:

> Max.
>
> There is.
>
> Though I could not put my finger right on it.
>
> I said something about exercising the ABS valves one at a time.
>
> I just use my speedi-Bleed.
>
>
> Fred Moir.
> Lynn MA.
> Diesel preferred.
>
>
> 
> From: Mercedes <mercedes-boun...@okiebenz.com> on behalf of Max Dillon
> via Mercedes <mercedes@okiebenz.com>
> Sent: 17 August 2016 01:08
> To: Curt Raymond; Mercedes Discussion List
> Cc: Max Dillon
> Subject: Re: [MBZ] OT: Golf brakes
>
> I wonder if there is an equivalent operation to activate / bleed the ABS
> system on my 124 cars?
> --
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
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>
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>
> To Unsubscribe or change delivery options go to:
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>
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Re: [MBZ] OT: Golf brakes

[Fred Moir via Mercedes]

Max.

There is.

Though I could not put my finger right on it.

I said something about exercising the ABS valves one at a time.

I just use my speedi-Bleed.


Fred Moir.
Lynn MA.
Diesel preferred.



From: Mercedes <mercedes-boun...@okiebenz.com> on behalf of Max Dillon via 
Mercedes <mercedes@okiebenz.com>
Sent: 17 August 2016 01:08
To: Curt Raymond; Mercedes Discussion List
Cc: Max Dillon
Subject: Re: [MBZ] OT: Golf brakes

I wonder if there is an equivalent operation to activate / bleed the ABS system 
on my 124 cars?
--
Max Dillon
Charleston SC
'87 300TD
'95 E300
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Re: [MBZ] OT: Golf brakes

[Max Dillon via Mercedes]

I wonder if there is an equivalent operation to activate / bleed the ABS system 
on my 124 cars?
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On August 16, 2016 2:11:22 PM EDT, Curt Raymond via Mercedes 
 wrote:
>Again breaking in (see what I did there?) with car news.
>Some of you might remember some months ago I replaced the rear brake
>pads and calipers on the Golf I also free'd up the sticking caliper
>pins to make the calipers actually work.
>At the time I bled the brakes with my new power bleeder but the pedal
>travel remained short and touchy. A lot of newer vehicles are like that
>and I hate it. The repair instructions on myturbodiesel.com suggested
>using the VCDS (no idea what it stands for, its the computer link to
>the car) to bleed the ABS controller. I tried that but it didn't help.
>Recently it occurred to me I was probably doing it wrong, so today
>while trying to troubleshoot laggy turbo performance I ran through the
>ABS pump output tests a couple times. Result: MUCH better pedal feel.
>So I'd managed to bleed the air out of the calipers but air in the ABS
>pump itself was giving me squishy brakes...
>-Curt
>

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Re: [MBZ] OT: Golf brakes

[Dan Penoff via Mercedes]

If you just buy the cables, MUX and software on an external USB drive you can 
get it all for under $300.  That’s what I paid about a year and a half ago on 
Alibaba.  Consider that the MB stuff is not just the cables and software, it 
also includes the multiplexer that is necessary for the older cars that used 
the HHT (hand held tester) and that with the multiple cables included you can 
run diagnostics on anything MB from 1993 or so to 2010 or thereabouts, which 
includes the CANBUS driven cars.

I paid $75 for a nice HP business class laptop with a serial port to run it.

Dan


> On Aug 16, 2016, at 3:00 PM, Curt Raymond via Mercedes 
>  wrote:
> 
> Hi Kevin,
> You've got it exactly. People complain that the $250 cable is expensive but 
> the software is free and I believe Dan spent way more money on the MB 
> system.I'm running the software in Virtualbox on my Mac since it requires 
> Windows. Seems to work just fine. I originally bought it for my '98 but it 
> works on my '05 too. I don't remember when the CANBUS cars started but mine 
> won't cover those, it was an extra $100 for the cable that does both...
> There are a bazillion little changes you can make, of course you can read the 
> OBD-II codes but you can get car specific codes, you can change the timing a 
> little bit, adjust the injection quantity a little, correct for slight speedo 
> discrepancy due to tire changes etc.
> Today I've been using it to track turbo output vs MAF (mass air flow) to be 
> sure the MAF is working correctly. I think it is but for some reason the 
> turbo is being slow to spool. The software has the ability to graph over 
> time: 
> http://i843.photobucket.com/albums/zz353/curtludwig/VCDS_05_Golf_2_zpseeafy7qi.pngThats
>  my car this afternoon. The lavender line is accelerator input, yellow is the 
> turbo, red is the MAF and orange is engine speed, you can see below I've got 
> engine temp and barometric pressure turned off to un-clutter the graph a 
> little.I did some runs with EGR actuation too but it made for a graph that 
> was hard to read.
> I *think* that the slow rise in turbo means its bad. I've seen some other 
> graphs where turbo pressure rises quickly with increasing engine speed and 
> stays high, on mine it significantly lags accelerator input. The car feels 
> like the turbo isn't spooling until 2200-2500 rpm, then it pulls like a 
> freight train.
> Maybe I should do another graph with power output...
> -Curt
> 


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Re: [MBZ] OT: Golf brakes

[Curt Raymond via Mercedes]

I went out and played with the actuator a little just now. It starts moving at 
about 5"hg and is fully in at 15 which seems to be normal.
I'm wondering if I've got an air leak somewhere. I pulled the air filter, it 
was a little dirty but what you'd expect after a year. Its got an oil change 
coming up so I'll do that then, I also blew out the airbox good, again a little 
dirty but about what you'd expect. Theres a secondary air door that opens if 
the primary air intake is clogged, it wouldn't open so I oiled its pivot and 
got it working again.
I'll take the car to work tomorrow and see if its better. I was thinking it 
might feel a little better when I did the runs for the screenshot I posted. I 
wonder if with a little air in the ABS system maybe the brakes were dragging 
slightly...
-Curt

  From: Mitch Haley <mi...@mitchellhaley.com>
 To: Curt Raymond <curtlud...@yahoo.com>; Mercedes Discussion List 
<mercedes@okiebenz.com> 
 Sent: Tuesday, August 16, 2016 3:07 PM
 Subject: Re: [MBZ] OT: Golf brakes
   

> On August 16, 2016 at 3:00 PM Curt Raymond via Mercedes
> <mercedes@okiebenz.com> wrote:
> I *think* that the slow rise in turbo means its bad. 


Maybe your VNT isn't V any more?
Stuck fins? Bad actuator?
Mitch.


   
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Re: [MBZ] OT: Golf brakes

[Mitch Haley via Mercedes]

> On August 16, 2016 at 3:00 PM Curt Raymond via Mercedes
>  wrote:
> I *think* that the slow rise in turbo means its bad. 


Maybe your VNT isn't V any more?
Stuck fins? Bad actuator?
Mitch.

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Re: [MBZ] OT: Golf brakes

[Curt Raymond via Mercedes]

Hi Kevin,
You've got it exactly. People complain that the $250 cable is expensive but the 
software is free and I believe Dan spent way more money on the MB system.I'm 
running the software in Virtualbox on my Mac since it requires Windows. Seems 
to work just fine. I originally bought it for my '98 but it works on my '05 
too. I don't remember when the CANBUS cars started but mine won't cover those, 
it was an extra $100 for the cable that does both...
There are a bazillion little changes you can make, of course you can read the 
OBD-II codes but you can get car specific codes, you can change the timing a 
little bit, adjust the injection quantity a little, correct for slight speedo 
discrepancy due to tire changes etc.
Today I've been using it to track turbo output vs MAF (mass air flow) to be 
sure the MAF is working correctly. I think it is but for some reason the turbo 
is being slow to spool. The software has the ability to graph over time: 
http://i843.photobucket.com/albums/zz353/curtludwig/VCDS_05_Golf_2_zpseeafy7qi.pngThats
 my car this afternoon. The lavender line is accelerator input, yellow is the 
turbo, red is the MAF and orange is engine speed, you can see below I've got 
engine temp and barometric pressure turned off to un-clutter the graph a 
little.I did some runs with EGR actuation too but it made for a graph that was 
hard to read.
I *think* that the slow rise in turbo means its bad. I've seen some other 
graphs where turbo pressure rises quickly with increasing engine speed and 
stays high, on mine it significantly lags accelerator input. The car feels like 
the turbo isn't spooling until 2200-2500 rpm, then it pulls like a freight 
train.
Maybe I should do another graph with power output...
-Curt

  From: Kevin Kraly <kevinpadd...@gmail.com>
 To: Curt Raymond <curtlud...@yahoo.com>; Mercedes Discussion List 
<mercedes@okiebenz.com> 
 Sent: Tuesday, August 16, 2016 2:32 PM
 Subject: Re: [MBZ] OT: Golf brakes
   
Curt,
How does the VCDS work?  Is this the setup that links to the car using a 
laptop, link cable and specific software? I read in some TDI forums that this 
setup is needed to power the  fuel pumps to properly prime the system when 
changing the fuel filter on my 2014 Beetle TDI. 
Kevin in Hillsboro, OR  

Sent from my cell  

> On Aug 16, 2016, at 11:11 AM, Curt Raymond via Mercedes 
> <mercedes@okiebenz.com> wrote:
> 
> Again breaking in (see what I did there?) with car news.
> Some of you might remember some months ago I replaced the rear brake pads and 
> calipers on the Golf I also free'd up the sticking caliper pins to make the 
> calipers actually work.
> At the time I bled the brakes with my new power bleeder but the pedal travel 
> remained short and touchy. A lot of newer vehicles are like that and I hate 
> it. The repair instructions on myturbodiesel.com suggested using the VCDS (no 
> idea what it stands for, its the computer link to the car) to bleed the ABS 
> controller. I tried that but it didn't help.
> Recently it occurred to me I was probably doing it wrong, so today while 
> trying to troubleshoot laggy turbo performance I ran through the ABS pump 
> output tests a couple times. Result: MUCH better pedal feel. So I'd managed 
> to bleed the air out of the calipers but air in the ABS pump itself was 
> giving me squishy brakes...
> -Curt
> ___
> 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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Re: [MBZ] OT: Golf brakes

[Kevin Kraly via Mercedes]

Curt,
How does the VCDS work?  Is this the setup that links to the car using a 
laptop, link cable and specific software? I read in some TDI forums that this 
setup is needed to power the  fuel pumps to properly prime the system when 
changing the fuel filter on my 2014 Beetle TDI. 
Kevin in Hillsboro, OR  

Sent from my cell   

> On Aug 16, 2016, at 11:11 AM, Curt Raymond via Mercedes 
>  wrote:
> 
> Again breaking in (see what I did there?) with car news.
> Some of you might remember some months ago I replaced the rear brake pads and 
> calipers on the Golf I also free'd up the sticking caliper pins to make the 
> calipers actually work.
> At the time I bled the brakes with my new power bleeder but the pedal travel 
> remained short and touchy. A lot of newer vehicles are like that and I hate 
> it. The repair instructions on myturbodiesel.com suggested using the VCDS (no 
> idea what it stands for, its the computer link to the car) to bleed the ABS 
> controller. I tried that but it didn't help.
> Recently it occurred to me I was probably doing it wrong, so today while 
> trying to troubleshoot laggy turbo performance I ran through the ABS pump 
> output tests a couple times. Result: MUCH better pedal feel. So I'd managed 
> to bleed the air out of the calipers but air in the ABS pump itself was 
> giving me squishy brakes...
> -Curt
> ___
> 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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[MBZ] OT: Golf brakes

[Curt Raymond via Mercedes]

Again breaking in (see what I did there?) with car news.
Some of you might remember some months ago I replaced the rear brake pads and 
calipers on the Golf I also free'd up the sticking caliper pins to make the 
calipers actually work.
At the time I bled the brakes with my new power bleeder but the pedal travel 
remained short and touchy. A lot of newer vehicles are like that and I hate it. 
The repair instructions on myturbodiesel.com suggested using the VCDS (no idea 
what it stands for, its the computer link to the car) to bleed the ABS 
controller. I tried that but it didn't help.
Recently it occurred to me I was probably doing it wrong, so today while trying 
to troubleshoot laggy turbo performance I ran through the ABS pump output tests 
a couple times. Result: MUCH better pedal feel. So I'd managed to bleed the air 
out of the calipers but air in the ABS pump itself was giving me squishy 
brakes...
-Curt
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