Driveshaft noise?

[Robert Mangas]

IME the two most common causes for that noise are the alu tunnel shield 
getting loose and contacting the propshaft and interference where the 
exhaust hooks over the pass rear halfshaft.

Good luck,
Robert
87 4kq

>From: "Matt Suffern" <msuffern at lycos.com>
>To: quattro at audifans.com
>Subject: Driveshaft noise?
>Date: Wed, 22 Dec 2004 18:13:47 -0500
>
>Hi all. I'm getting an intermittent scraping noise coming from the region 
>just under the shifter area underneath the car.
>
>It seems to be louder at very low speeds, but this could just be because 
>the normal wind and drivetrain noises haven't
>drowned it out yet. For instance, I can't hear it above, say, 20 mph, 
>though it might still be there but I can't tell it apart from
>normal driving noises.
>
>It sounds for all the world like a heat shield is bent and rubbing on the 
>driveshaft, but only every once in a while. There's
>no discernable pattern as far as when it occurs relative to when the car's 
>cold or hot. It *does* seem to occur more
>frequently when I've just started the car and am driving off, though it 
>also happens after I've been driving for a while, and,
>say, pull up slowly to a stoplight.
>
>I went out earlier today and felt around the exhaust and driveshaft in the 
>vicinity of the noise under the car, but I couldn't
>find any interference, or even any tight clearances.
>
>Any ideas? Do I have a bearing/u-joint going bad?
>
>Thanks and Merry Christmas,
>
>Matt
>'86 4kq
>Chapel Hill, NC
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