Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread R A Bennell
PROTECTED] Behalf Of Hans Neureiter Sent: Monday, January 30, 2006 4:41 PM To: Mercedes Discussion List Subject: Re: [MBZ] '83 300SD unreliable fuel delivery I cleaned the screen on my SD without making a mess. Run the tank down to reserve and jack the right side up as high as possible, best w

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Marshall Booth
Craig McCluskey wrote: On Tue, 31 Jan 2006 09:56:12 -0500 Luther Gulseth <[EMAIL PROTECTED]> wrote: Overload valve is disconnected and by-passed. Overload valve? What's that? The switchover valve that's operated by the overboost pressure switch on the intake manifold! Marshall --

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Marshall Booth
[EMAIL PROTECTED] wrote: In a message dated 1/30/2006 11:48:28 A.M. US Mountain Standard Time, [EMAIL PROTECTED] writes: My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exact

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Craig McCluskey
On Tue, 31 Jan 2006 09:56:12 -0500 Luther Gulseth <[EMAIL PROTECTED]> wrote: > Overload valve is disconnected and by-passed. Overload valve? What's that? Craig

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Hans Neureiter
I doubt the overload valve would be intermittent. Tank vent is easy to check, just don't tighten the filler cap. On 1/31/06, Luther Gulseth <[EMAIL PROTECTED]> wrote: > > Overload valve is disconnected and by-passed. > > ~ > ~yep, you are exactly right, its going to either be that or the tank > ~

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Luther Gulseth
Overload valve is disconnected and by-passed. ~ ~yep, you are exactly right, its going to either be that or the tank ~screen is plugging up. I am leaning more toward the overload valve ~since the problem goes at goes. If the screen was plugging up it would ~seem to me it would get worse and w

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Kaleb C. Striplin
yep, you are exactly right, its going to either be that or the tank screen is plugging up. I am leaning more toward the overload valve since the problem goes at goes. If the screen was plugging up it would seem to me it would get worse and worse and finally not run at all rather than it only

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Luther Gulseth
I might drive it up on ramps on that side. ~ ~I cleaned the screen on my SD without making a mess. Run the tank down to ~reserve and jack the right side up as high as possible, best with a ~floorjack. The fuel will be at one side of the tank, leaving the hole where ~the screen is dry. Takes th

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread JFreezn
In a message dated 1/30/2006 11:48:28 A.M. US Mountain Standard Time, [EMAIL PROTECTED] writes: My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exactly like taking your foot of

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread John Berryman
On Monday, January 30, 2006, at 08:34 PM, Marshall Booth wrote: The "lift pump" almost never fails (and the engine will still usually run if the fuel level is above 1/2)!! Look at the tank screen, the inline filter, the main filter or a plugged VENT line. A plugged vent line is the thing that m

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread John Ervine
UDG - Joop Schmeitz wrote: W116 runs 3.5 6cyl Dsl Come now, you can't post a sig like that without an explanation... -- John L. Ervine 1981 240D 4-spd 268+kmi 1980 300TD 170+kmi 1980 300SD 277+kmi 1977 280S 4-spd 80+kmi

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Marshall Booth
Luther Gulseth wrote: My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exactly like taking your foot off and back on the throttle. Also, at cold start it's very rough and needs to h

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-31 Thread Hans Neureiter
I cleaned the screen on my SD without making a mess. Run the tank down to reserve and jack the right side up as high as possible, best with a floorjack. The fuel will be at one side of the tank, leaving the hole where the screen is dry. Takes the same socket as the fuel sender (47mm or 1-7/8"). On

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread Kaleb C. Striplin
the screen in your tank is getting plugged up. Luther Gulseth wrote: My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exactly like taking your foot off and back on the throttle. A

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread Luther Gulseth
it has been ongoing for several months. I will get the tanks as low as possible and check the tank screen. I'm getting the idea that lift pumps don't have many problems in the 617 engines. ~ ~ ~On Monday, January 30, 2006, at 02:55 PM, Luther Gulseth wrote: ~ ~> I've never had a quality issue

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread UDG - Joop Schmeitz
ter W116 runs 3.5 6cyl Dsl -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Berryman Sent: 30 January, 2006 9:36 PM To: Mercedes Discussion List Subject: Re: [MBZ] '83 300SD unreliable fuel delivery On Monday, January 30, 2006, at 02:55 PM, Luther

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread B Dike
scussion List <[EMAIL PROTECTED]> In-Reply-To: <[EMAIL PROTECTED]> Message-Id: <[EMAIL PROTECTED]> X-Mailer: Apple Mail (2.553) X-Antivirus-Scanner: Clean mail though you should still use an Antivirus Content-Type: text/plain; charset=US-ASCII; format=flowed Conte

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread Luther Gulseth
Fuel filters were changed after a Diesel Purge at the last valve adjust in early November. Problem happens with a full or empty tank of fuel. Primer pump might be a year old now and is the new style. I don't know about water in the fuel, I might purchase some addative and give that a try. I'

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread Jim Cathey
I'm thinking from my experience in the semi-diesel world that I have a lift pump that's weak. The hand-operated primer pump can start to leak air. Try using it, if it oozes fuel at all it's a bad sign. -- Jim

Re: [MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread John Berryman
On Monday, January 30, 2006, at 01:47 PM, Luther Gulseth wrote: My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exactly like taking your foot off and back on the throttle. Also,

[MBZ] '83 300SD unreliable fuel delivery

2006-01-30 Thread Luther Gulseth
My SD has it's moments of fuel pressure loss. You can be crusing down the interstate and suddenly feel a power loss that lasts less than 1/2 second...something exactly like taking your foot off and back on the throttle. Also, at cold start it's very rough and needs to have enough throttle to k