[urq] Doing the brake shake...not a dance I enjoy!

[Daniel Jones]

Justin,

I had the same issue with my 85 last year. The master cylinder was
holing a slight pressure in the r/f caliper. As the brake would heat up
from the slight drag on the rotor the wheel would shake. Usually this
showed after a 10 mile drive. New master and a fresh bleed and the car
is fine.

HTH

Daniel Jones
85 urq 
91 200q20va 
98 a6qa

-----Original Message-----
From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com] On
Behalf Of Justin Riley
Sent: Tuesday, May 03, 2005 7:57 PM
To: Ingo Rautenberg; urq at audifans.com
Subject: RE: [urq] Doing the brake shake...not a dance I enjoy!

Additional info:

Brakes bled by Bentley procedure.  New strut inserts, bearings in
February...pre Steamboat, no ill affects from Steamboat on return drive
to Orlando, or for several weeks after..



-----Original Message-----
From: Ingo Rautenberg [mailto:i.rautenberg at waratap.com] 
Sent: Tuesday, May 03, 2005 10:49 AM
To: Justin Riley; urq at audifans.com
Subject: Re: [urq] Doing the brake shake...not a dance I enjoy!

Justin,

OK, then! The fact that this only happens once you've heated up the
brakes
makes me think you're on the right track.  Suggest a brake bleed while
you're at it and check to see if one wheel is appreciably warmer than
the
other (sticky caliper when warm syndrome).

Other things you may want to check:
First.  Either swap the tires front to rear to rule wheels/tires out.
Second:  Check for wheel beearing play -- if you've got a lot of free
play,
it may not be noisy, but may give you that symptom when braking.
Third:  I know you hate to hear this -- replace front strut bearings.
Fourth:  Worn strut inserts

At least those would be the areas I'd be looking at.

HTH

Ingo


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