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Old 12-01-2002, 10:52 PM
drbrandini's Avatar
Join Date: Sep 2001
Location: Wrightsville Beach NC
Posts: 1,512

First of welcome..

I am not certain I understand you correctly but if you are having vibration troubles and your sure the tires are balanced I would check the front rack second. Ball joints, Tie rods, and Center link among others may need to be changed at that mileage. Good luck.

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Old 12-01-2002, 10:59 PM
Posts: n/a
Question Vibration

Hello all! I'm new here and already found much useful information using the search mode. But I couldn't find anything on this... I have '89 300E 145kmis. I bought the car for wifey w/ 122kmis and has had this problem since ever. There is a cyclical vibration when driving at highway speed. You can actually feel it course from one side of the car to the other. I have balanced, re-balance, replaced tires. I have MB wider wheels and one size bigger tire, but also does it with four new snowtires and new steel wheels. Can driveshaft or differential u-joints cause this? The symptom does increase in amplitude and frequency related to road speed. Does this automatic tranny use planetary gears that may be worn? Could it be a torque converter? If anyone has had & corrected this problem, I'd sure like to hear about it .
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Old 12-01-2002, 10:59 PM
Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,503
My guess is that your problem is in the drive shaft area.

These cars have a driveline that has flexible rubber discs at both ends (called flex discs) instead of a traditional U-joint, and a center U-joint with a support bearing.

Further, the front flex disc usually wears out, and is probably shot if it hasn't been replaced already, too.
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Old 12-02-2002, 07:46 AM
Posts: n/a
As suganami said, the most likely source is the driveshaft. If the flexdiscs, ujoints and carrier bearing are in good shape, it is likely that the shaft has slipped apart at the spline during service and not put back in proper relationship causing loss of balance.

Good luck,
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