[MBZ] 1991 turbo questions

2007-03-13 Thread Strang
Thanks John-new filters and new muffler- still slow as a turtle though.

Re: [MBZ] 1991 turbo questions

2007-03-12 Thread Marshall Booth
Lisa Strang wrote: I am hoping one of you can shed some light on a problem I am having with my 124 1991 300 2.5 turbo diesel. The turbo works but not all the time- so it is just a dog when it decides not to work.(especially when trying to pass the tourist that is seeing the sights and you are

Re: [MBZ] 1991 turbo questions

2007-03-06 Thread Kaleb C. Striplin
on the 2.5 turbo, you cant bypass any of the emmissions stuff or it will go in the limp mode and you will have no power. All the vacuum lines, etc also have to be leak free or it will reduce power quite a bit. Lisa Strang wrote: I am hoping one of you can shed some light on a problem I am

Re: [MBZ] 1991 turbo questions

2007-03-06 Thread Peter Frederick
Lots of possibilites: Stuck waste gate, so the turbo isn't generating pressure sometimes Leaking pressure line to ALDA and overpressure valve, or leaking overpressure valve Leaking transmission control amplifier so the boost signal doesn't get to the ALDA Dead turbo bearings. This can be

Re: [MBZ] 1991 turbo questions

2007-03-06 Thread John Peterson
Lisa, unless you have a Mity vac, you might not be able to test them, but I have found the vacuum transducers that control Alda etc. can develop a hole and leak pressure, which can give mixed performance. Excuse the question, but is there a clean pre and main fuel filter on there? John

Re: [MBZ] 1991 turbo questions

2007-03-06 Thread LarryT
Subject: Re: [MBZ] 1991 turbo questions Lots of possibilites: Stuck waste gate, so the turbo isn't generating pressure sometimes Leaking pressure line to ALDA and overpressure valve, or leaking overpressure valve Leaking transmission control amplifier so the boost signal doesn't get

[MBZ] 1991 turbo questions

2007-03-05 Thread Lisa Strang
I am hoping one of you can shed some light on a problem I am having with my 124 1991 300 2.5 turbo diesel. The turbo works but not all the time- so it is just a dog when it decides not to work.(especially when trying to pass the tourist that is seeing the sights and you are late to work.) I