Sticking rear calipers and parking brake

Scott Gilman scottegilman at
Sat May 30 12:48:57 PDT 2009

Reading a post to the forum from Peter reminded me about my '91 200 TQ  
and persistent sticking rear calipers, usually as a result of the  
parking brake being engaged.  These days, the car is rarely used since  
we live in Manhattan and part of my free parking arrangement through  
work, is that the car cannot be taken out of the garage often.  In my  
area (UWS) it's about $550/month for a parking space.  I've had the  
car since new and the rear calipers and an assortment of problems  
related to the rear brake have occurred at least 4-5 times over the  
years.  Now, to the question, is there any way to re-build/replace the  
OEM rear calipers with something that won't stick.  The front brakes  
were replaced with an big brake kit from 2Bennett in CA.  The rear  
calipers get so stuck from the car sitting for weeks at a time, that I  
have to gun the engine to launch the Audi and unstick the calipers.  I  
try to keep car kept in gear, without the parking brake being set, but  
being that this is Manhattan the garage jockeys on occasion have to  
move it around once in a while, they usually forget my instructions  
and engage the parking brake.  The biggest and most persistent problem  
over the years has been the rear brakes.  Any advice on a recommended  
shop in the NYC area (within 50 miles) that has experience handling  
this type of problem would be appreciated.  A month ago, while on the  
New Jersey Turnpike, the rear brakes started sticking and I guess the  
brake fluid got too hot and basically shut down the brakes, the pedals  
went to the floor without effect.  Waiting an hour resolved the  
problem.  A garage checked over the brakes and nothing had seized but  
they did notice signs of rust--and they recommended that the car be  
driven regularly.  As noted above, that can't happen.
1991 20V TQ

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