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From: Les on 5 Mar 2010 13:42
Did manage to do one side, but on the other the piston in the caliper
simply won't retract.

Any suggestions? New caliper needed? Garage job?
From: Duncan Wood on 5 Mar 2010 14:01
On Fri, 05 Mar 2010 18:42:58 -0000, Les <divtey(a)ponti.net> wrote:

> Did manage to do one side, but on the other the piston in the caliper
> simply won't retract.
>
> Any suggestions? New caliper needed? Garage job?

Have you got a decent brake piston retractor? if the adjuster's seized
then it's a new caliper but normally a good retractor will solve it.
From: Mrcheerful on 5 Mar 2010 16:39
Les wrote:
> Did manage to do one side, but on the other the piston in the caliper
> simply won't retract.
>
> Any suggestions? New caliper needed? Garage job?

what method are you using? is it a caliper handbrake on that car? if so
the piston must be pressed and turned at the same time and let the fluid
out.


From: Les on 5 Mar 2010 19:43
On Fri, 05 Mar 2010 21:39:24 GMT, "Mrcheerful" <nbkm57(a)hotmail.co.uk>
wrote:

>Les wrote:
>> Did manage to do one side, but on the other the piston in the caliper
>> simply won't retract.
>>
>> Any suggestions? New caliper needed? Garage job?
>
>what method are you using? is it a caliper handbrake on that car?

Yes. The foot brake and hand brake use the same caliper.

>if so
>the piston must be pressed and turned at the same time and let the fluid
>out.

I have a piston retractor which fits into two slots on the piston and
then turns while pushing. I managed to do the other side without
letting any fluid out, just by taking the cap off the reservoir. I'm
a little reluctant to touch the brake fluid nipple in case it shears
off (as happened to me on another car once).

From: Les on 5 Mar 2010 20:50
On Fri, 05 Mar 2010 19:01:00 -0000, "Duncan Wood"
<nntpnews(a)dmx512.co.uk> wrote:

>On Fri, 05 Mar 2010 18:42:58 -0000, Les <divtey(a)ponti.net> wrote:
>
>> Did manage to do one side, but on the other the piston in the caliper
>> simply won't retract.
>>
>> Any suggestions? New caliper needed? Garage job?
>
>Have you got a decent brake piston retractor?

Got one from German/Swedish/French which worked fine on the other
side.

> if the adjuster's seized
>then it's a new caliper but normally a good retractor will solve it.

Part of the problem is that with the brake hose and handbrake cable
attached it's flapping around in mid air. I'm sure if I had a vice to
hold it in I could do the job.
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