Hanging rear caliper

Kneale Brownson kneale at coslink.net
Sun Apr 17 13:20:05 EDT 2005

I've read on the audifans lists about "rebuilt" calipers where all they did
was clean up the piston and cylinder and install new boots/seals.  This is
without servicing the e-brake part of the caliper assembly.  The latter is
a bit tricky to get to and therefore is overlooked.  Here's a description
of the process:  http://20v.org/brakere.htm   Pay particular attention to
the instructions beginning with "reassembly".  This is the area frequently
overlooked in caliper rebuilds.

At 04:32 PM 4/17/2005 +0000, Mike Del Tergo wrote:
>I guess I wasn't as clear as I could have been.
>The 18 month R&R of the rear brakes included new/rebuilt calipers, rotors, 
>pads, guide pin boots, grease, and fluid.  (I know it's not EBrake related 
>because they are newer than 18 months, and I checked that first thing, free 
>and clear L&R) I've been lucky never to have had frozen caliper guide pins 
>on any of my dozen Audis.  I suspect because this is a must check on any 
>Audi I've purchased.
>So this week I'll try to discern nature of the bias valve Chris mentioned 
>and report.  I'll also check the nature of all boots related to the RR brake 
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