Interesting low speed vibration, 5KQ and 5KTQ

[John S. Lagnese]

Bent front rim?
----- Original Message ----- 
From: "Mark J. Besso" <mbspeed at maxboostracing.com>
To: <john at westcoastgarage.net>; "Audifans" <quattro at audifans.com>
Sent: Wednesday, May 28, 2008 8:25 PM
Subject: Re: Interesting low speed vibration, 5KQ and 5KTQ


> Is there anything you can do at that speed that makes it NOT happen?
> (steering, braking, clutch-in, etc.)
>
> Is it under braking as well as acceleration?  Is the vibration felt
> throughout the vehicle or just in the steering wheel?  Is there any noise
> associated with the vibration?
>
> Any chance one of the wheels isn't properly tightened?  If so, I pray you
> check BEFORE the next road test!
>
> ~Mark
>
>
>
> On Wed, 28 May 2008 14:47:27 -0700
>  "john at westcoastgarage.net" <john at westcoastgarage.net> wrote:
>
>  A new one to me, 86 5KTQ has a low speed vibration, feels like a
>  driveshaft U-joint when leaving from a stop.  Throttle position isn't a
>  factor, only speed.  After about 20 MPH, the vibration is gone. Doesn't
>  matter whether you start out in first or second gear. I thought maybe
>  we'd disturbed something when we did the clutch, but a phone call from
>  another customer yesterday is making me rethink that conclusion.  In his
>  87 5KQ, the vibration appeared 7 years after the clutch job, leading me
>  to believe it may not be related.  The driveshaft guy says it's not a
>  normal symptom of a driveshaft failure, but these aren't something with
>  which they deal with any real frequency.  Any hints/questions/BTDTs out
>  there that might help me solve this problem?  Lotsa miles on both cars,
> BTW.
>
>  TIA, John
>  _______________________________________________
>  quattro mailing list
>  quattro at audifans.com
>  http://www.audifans.com/mailman/listinfo/quattro
>  ---
>  Watch this space for ads :)
> _______________________________________________
> quattro mailing list
> quattro at audifans.com
> http://www.audifans.com/mailman/listinfo/quattro
> ---
> Watch this space for ads :)