Mike,
I contacted TRW a few years ago, who owned Lucas/Girling at the time,
and got the same answer - don't split the calipers. I'm guessing that
the bolts are considered single use. I split my calipers when I rebuilt
them.
I used chassis grease to get the pistons out. The metal tube of the
small hand-held grease gun I have has the same threads as the bleeder
screw. If only one piston moves you might have to clamp it so more
force can be applied to the other. I made a block to bolt on to one half
that I could screw the grease gun into if I couldn't get both pistons
out before splitting the caliper.
British Car Specialists has a replacement for the square o-ring. I
don't know who carries the bolts. I was going to use some AN bolts
(Earls), but the threads weren't long enough.
Cheers,
Bob Haskell
AHCA 3000 MkI registrar
http://www.ciahc.org/registry_3000mk1.php
On 02/18/2017 01:24 PM, Mike Tobin wrote:
> Hi All,
> Time to attack the front calipers on the BT7. They've been sitting for
> over 30 years and are really sad looking.
> I'm thinking the only way I'm going to get a purchase on them to get
> them out is to split the calipers. The factory manual, however, sez
> (in BOLD) to not attempt this. Why is this? In the archives folks say
> it can be done. Anything I have to watch for other than being clean and
> careful?
> Cheers and Thanks,
> Mike Tobin
> Townsend, Montana
>
>
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