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brake failure

To: 6pack@Autox.Team.Net
Subject: brake failure
From: Lizirbydavis@cs.com
Date: Tue, 21 Dec 2004 22:35:37 EST
I need some advice about funky brakes.  I've been driving my car all year 
with silicone brake fluid (don't throw things!).  Last winter I had put new 
parts 
everywhere (pipes, hoses master cylinder, wheel cylinders, pads front and 
back)  everything was replaced except the front calipers which were inspected 
prior to the change from castrol, and everything looked like new.  The car is 
my 
daily driver, and I've driven thousands of miles this year without a hitch. In 
the last couple of hundred miles, I've noticed that occasionally, the right 
front caliper would stick after it got hot.  The problem always resolved 
spontaneously after a few minutes of rest.  I was doing some fast freeway 
driving 
this weekend, and after some heavy sustained braking, I smelled hot brakes., 
and 
noticed that the pedal was rock hard.  The pedal has occasionally been pretty 
hard in the past, which I've been attributing to a slowly failing booster. 
Anyway  I pulled off an exit ramp, and after stopping at a light, found that I 
could barely move the car.  Fortunately, I landed very near a great shop who 
let me use their lift.  When I got the car up in the air, I found that both 
front calipers were completely stuck, I couldn't budge the wheels, and the 
right 
pad was virtually gone.  The owner shook his head in a "we see this all the 
time" sort of way when he saw the pink stuff in the master cylinder, and 
advised 
that I change the silicone out for LMA.  I couldn't see how this could help, 
but realizing I was 200 miles from home, I was desperate to try something.  
When I left the shop the pedal felt great,  and I had great brakes.  Two miles 
down the road the brakes locked up again.  Fortunately, I was able to get back 
on the highway, and once everything loosened back up and I made it home without 
having to use the brakes much.  Needless to say, the car is up on blocks 
waiting for me to sort this out.     Any ideas what is going on?  I expect I'll 
have to rebuild the calipers, and would appreciate any tips.  I can't find much 
tech info. on the subject (now that Buckeye is gone).  TRF wants $350 for a 
pair of rebuilt calipers with stainless pistons.  Apple wants $230 with OEM 
parts.  This seems incredibly expensive.  I'd like to do this myself if 
possible.  
Any detectives out there?  Here I go dumping more money.  I'm glad I told my 
wife not to get me anything for christmas except a TRF gift certificate!
Merry Christmas
Joe Davis




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