RE: a strange noise.

[Jonas Karlsson <jkarlsso@metabolex.com>]

When one of my front wheel bearings went bad, it caused my whole car to 
vibrate. Not so noticable feelings-wise, but all of the interior panels 
would rattle like crazy, and after a week of ???, a deafening noise 
developed that would fill the cockpit at any speed above 45 mph. 
 But you might not be experiencing this. You say that it is only present 
when the car is in gear. Did you test it? I.E. did you take it out of 
gear while on the highway, and did the noise disappear? If so, then it 
is NOT the wheel bearings. 
   Do some testing, to narrow down where it's from. Take notice of the 
conditions that make the noise, then isolate each of those conditions. 
(i.e. For me, there was a loud-ass noise when going above 45 mph. The 
conditions were: my engine would be revving at about 3-4K, the car was 
in gear, and the wheels were turning. To isolate the engine, I just 
revved it while at a stop- no noise. To isolate the drive-train, I 
pressed the clutch in while going on the highway- noise still there. 
This pointed towards the wheels/drivetrain. To finalize the trackdown, 
the noise would disappear when I took this -35 mph- left turn while 
going 55. This took the load off of the left front wheel, indicating a 
bad bearing)
  Hope you hunt the problem down. 

sorry for the long post

Jonas 
85 Scirocco

PS. I bought the wheel bearing puller from SP tools (through TT). I would 
be willing to help someone replace their bearings with it. I live in the 
SF bay area, and I just want pizza, beer & conversation in exchange :-)  



Stephen Stalcup wrote:
>Well after just getting my car back I noticed an odd noise. This 
>noise only happens after about 4000 rpm and when it is in gear. 
>It's like my whole car is vibrating. I didn't notice this before 
>I put it in the shop, but it could have been a noise that was 
>covered up by the bad passenger side motor mount. This 
>"rattling/vibrating" seems most prominent in 5th gear. but it 
>happens in most gears. it isn't very pronounced in 4th. Can 
>anyone help me out with this noise.
>
>Stephen Stalcup
>'88 16v
>
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>From: "Stephen Stalcup" <elfking@nmt.edu>
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>Subject: a strange noise. 
>Date: Sat, 16 Jan 1999 21:30:52 -0700
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