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Old 09-21-2003, 07:56 PM
Bigmon Bigmon is offline
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Join Date: Jan 2003
Location: MA
Posts: 114
Re: Replacing Motor Mount

Originally posted by John Plut
I recently replaced the passenger side motor mount on my '92 300E. It was a piece of cake - first I positioned a floor jack under the edge of the oil pan and raised the engine up just enough to take some of the load off the mount. Then I removed the top and bottom nuts from the motor mount and jacked the engine up some more until the motor mount cleared the mounting holes and could be removed. There was also a heat shield attached with a small bolt but I cant remember if that had to be removed before or after the mount was out of the car.

My motor mount looked okay but the car had an annoying vibration at idle. Replacing the mount made a world of difference and it feels like a new car now.

I have a vibration at idle on my 92 300E. Is a bad motor mount common? I have 166k on it.

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