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Re: rubbing sound (archive)

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Posted by m.gilbert on July 07, 2000 at 12:50:04:

In Reply to: rubbing sound posted by Eric L on July 07, 2000 at 02:46:42:

Eric,

I get the noise only when people are in the back seat. From multiple sources, here are some of the possible things I was told it could be:

- input shaft bearing to the differential.
- Replace right rear wheel bearing or check with stethoscope.
- Rebuild driveshaft, bad universal joint and cracked guibo up front
- Rebuild both half-shafts- joints may have a little crunching to them
- Replaced left rear wheel bearing

-Next time you have passengers out back, run a finger along
the rear fender lip after you've heard the sound. If it loads with
black rubber - you've found your sound. You might also check
the inner sidewall of the tire for a mark indicating it might be
rubbing - will look like a white wall - only black.

Hope this helps,
MG
90M3
: Just got back from San Diego and decided to take my car for a spin. too bad, my dad informed my of a new problem w/ the car. It seems to have a rubbing sound comming from the rear of the car.
: It sounds like a tire rubbing against a fender when the wheels are turned full lock one way or the other, however it is comming from the rear of the car. It's not hear at all in 1st or 2nd. after that it is noticble under light acceleration. Very strong under coasting. and unberable while breaking.
: Some of the symptoms my dad mentioned might be driveline rubbing against something, or a UVC joint going bad. who knows. I'm going to get under the car tommorrow and try to play mechanic and figure out if there is anything rubbing.

: Any thoughts would be apreciated or correct me if I'm totally off on what the noise might be. I can only learn by trial and eror!
: Eric
: 88M3




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