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RE: 86 4kcsq rear brakes.
You can try rotating the piston with either mole grips or slip joint pliers, whilst pushing the piston with a G clamp. Obviously be careful not to pinch the pistons rubber seal. They always seem to corrode where the hex socket goes.
From: George W. Selby, III [mailto:IsuzuG@prodigy.net]
Sent: 23 July 1999 23:03
To: Quattro List (E-mail)
Subject: 86 4kcsq rear brakes.
Well, I finally heard the grinding noise meaning the end of my rear brakes.
I disassembled the brakes and discovered only one bad pad, and a stuck
guide pin. I turned the rotors, and fixed the guide pins. Now the
problem: I was anticipating cutting a Sealy cube in half (already had one
from previous vehicles) but saw a worn out hole in the center of the caiper
piston. I remembered from a post a couple of days ago that a 12 mm inside
hex socket was required. So I picked one up when I went to get the brake
pads. It seems like it wants to fit, but just turns inside the hole
without spinning the piston. Any suggestions?
I thought the calipers for my Isuzu truck were made of 24K gold, but I now
realize they were only gold plated, while the Audi calipers are actually of
24K gold. I really don't want to have to buy new ones.
78 F-150 400M, 4 on floor, 4x4
86 Audi 4000CS Quattro