[Healeys] Split the Calipers?

richard mayor boyracer466 at gmail.com
Sat Feb 18 19:33:29 MST 2017

Splitting the calipers and reusing the bolts are not a problem. The rear
disc brake conversion for big Healeys uses Jaguar rear calipers, Girling,
that must be split in order to remove the rotor.  They have an external
brake pipe that allows fluid to pass between the halves. I have had this
conversion on my race Healey for 30 years and used the bolts over and over
again with no issues. I'm sure that Jaguar owners have had no problems
either with using the old bolts. Replacing them with new bolts makes about
as much sense as using new lug nuts every time you change a tire.

Now that you can buy the square section o-ring that makes the seal between
the halves of the Girling calipers for Healeys, there is no problem with
any leakage by splitting the calipers.

Good luck getting those pistons out.  I believe the best way is to use the
brake system of your Healey. Plumb those calipers in and pump away.  I
bought a pair of calipers on Ebay awhile  back from a guy that tried to use
grease to get the pucks out. He was unsuccessful and created a disgusting
mess for me when I began to get the pucks out.

On Sat, Feb 18, 2017 at 10:24 AM, Mike Tobin <ahbt71 at gmail.com> 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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