There was much written about this a while ago ;
It seems to mostly do with the amount of vacuum reaching the tranny as you're driving .
The ideal (as I understand it) is to have maxumum vacuum @ idle and it should drop as you accellerate , reaching zero vacuum @ WOT .
I found that replacing all those little rubber hose bits and ' Y ' connectors helped a lot , then I replaced the plastic ' switchover valves ' on the top of the rockerbox , that really seemed to do the trick .
There's also a modulator adjustment done under the car after cleaning off a bunch of crud , doing this one is sensitive as you firm up the shift at the same time raising the RPM point of shiting....
Have you yet done a basic tranny service including draining and re filling both the tranny and the torque converter ? plus replacing the tranny's filter ? .
Gotta do all the basics before touching the tranny .
Depending on where you're located , getting a nice W126 interior shouldn't be difficult , there's basically two styles so once you match the colors you're good to go .
-Nate
Al wrote :
sounds great. I recently purchased a 265,000 mi 85 300SD. Starts good runs good interior is something of a mess and I have to rework the rear windows so that they operate. They are both disconnected internally. A winter job. That and a brake job. My main problem is that the engine revs unduly at the shifts. I think there is a relatively simple remedy for this but I can't remember what it is . Can anyone help?
--Al Boucher
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Posted by: vwnate1@yahoo.com
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