When shifting into 4th gear at expressway speeds, my 87 300d exhibits just a slight wiggle coming from the rear not large enough to require a steering correction but noticeable. This is not felt when shifting into lower gears. I have replaced a lot of suspension components in the front but so far nothing in the rear. In the past, I have been told that the differental mounts were installed in the wrong position. Could this be the problem?

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Dan
1981 240D
1987 300D Turbo
1973 220
Das Beste Oder Nichts

I'd look at control arm bushings first....you've got something shifting. Particularly since you've had to do front end parts....I'd guess the rear end bushings are shot too. Take close note of the subframe bushings...they may be need done while you are in there, You aren't getting any hub bearing noise are you?

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

a link that is right in front of the wheels that is parallel front and rear that has two rubber bushes. these typically go bad fairly early on. and if loose everytime you accelerate or let off the rear wheel "steers" the car left or right. it is really noticalbe if you are romping on an entrance ramp and let off the gas.

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.