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To: triumphs@autox.team.net
Subject: Calipers
From: "Hassan, Erkan" <hassan@pharmacy.ab.umd.edu>
Date: Tue, 9 Feb 99 9:15:34 -0500
Organization: UMAB - School of Pharmacy
Listers:

When I got my TR3B in August, one of the four pistons in the front was 
also frozen.  (the other 3 were also rusted).  I had read about the air 
and grease methods and decided the air method would be easier to try as 
well as cleaner.  To get the pistons out, I took the calipers to the 
local gas station.  I used their air compressor and all 4 popped out 
rather easily.  I too had read the caution statements on the list and was 
very careful, but they popped out without projectiles flying everywhere.  
The biggest warning is to make sure your fingers and hands are not in the 
line of fire as you hold the caliper and force the air in.  

I replaced the brake seals, the pisotons (with the help of C-clamps) and 
put the bellows in.  However, as I was inserting the bellows, I 
inadvertantly and unbeknowenst to me nicked (very small nick, but a nick 
nevertheless) the passenger brake seal.  After putting everything back 
together and bleeding the system I went for a test drive.  What fun to 
have the pedal go all the way to the floor after spending all this time 
on the brakes.  The passenger tire was covered in brake fluid.  Once the 
caliper was off, I had to buy more brake fluid so I went to PEP boys and 
used their compressor to blow out the pistons again.  Once again, they 
came out without major difficulty and without incidence.  Watch those 
fingers.

Rebuilt the calpier and have not had trouble since.

Erkan Hassan
62' TR3B


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