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RE: Brake caliper service

To: "'Julian Daley'" <jjdd@umds.ac.uk>
Subject: RE: Brake caliper service
From: "David Moag" <moag@ix.netcom.com>
Date: Wed, 29 Apr 1998 18:07:26 -0700charset="iso-8859-1"
Cc: "Triumphs Mailing List (E-mail)" <triumphs@Autox.Team.Net>
Importance: Normal
Julian,

Yeah, it's pretty much that easy. I'm very new to this and still had no
problem using the air compressor method on my TR3B calipers. I just attached
a cheap blow gun to the air hose, and just shoved it into the opening where
the brake hose attached and one piston rocketed out (careful where you leave
your fingers during this process!). Then I shoved a couple rags into the
empty side and put a small board over the rag to hold it down, gave it
another blast of air and the other one shot right out.

Dave Moag
62 TR3B
77 Spitfire

-----Original Message-----
From: owner-triumphs@autox.team.net
[mailto:owner-triumphs@autox.team.net]On Behalf Of Julian Daley
Sent: Wednesday, April 29, 1998 7:54 AM
To: triumphs@autox.team.net
Subject: Brake caliper service




I'm sure this has been discussed here many times before, including quite
recently.  Apologies for not paying attention before !

I need to replace the brake caliper piston seals.  The workshop manual
says to use compressed air to remove the pistons.  Is it that easy ?  Can
you screw a bleed nipple into the hole where the brake line goes and
attach the air line to that ?  Presumably one piston pops out first, so
how do you get the other one out ?

Is it possible to use the brake pedal to push them out ?  I guess bleeding
out all the brake fluid first would save a lot of mess !

The brakes are qoking OK so I don't think the pistons should be too badly
stuck.

Thanks,
Julian.

PS. Many thanks to all those who replied to my request for info on UJ
replacement.  Once I'd found a big vice it was a nice easy job.  I REALLY
don't recommend trying to do it without a big vice.  I wasted a whole
afternoon sworking those UJ's.

                Julian Daley, Dept Phonetics, University College London



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