SIEZED BRAKE CALIPER

Casterton
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Posts: 6
Joined: Wed Jan 13, 2016 9:11 pm
What Bike or Bikes Do You Own?: Yamaha 600 xt tenere 34L,
Previously Owned Bikes: Moto guzzi v50, 65, 700, Honda 250 XL
Location: UK Surrey
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Re: SIEZED BRAKE CALIPER

Post by Casterton »

You can try this, put a 15/16 socket into the piston and knock it in using a wooden chock with mallet, then put socket handle in to the socket and work it in and out as you would when undoing/doing a nut. Use wd40 liberally. The piston will come out in 5 minutes. The downside is you can't get the socket out of the Piston! Well I've not yet tried, but there's sure to be a way.

In the end better to lose a socket and piston in the short term than an entire caliper. :star:

It is a 6 monthly check because of the pistons exposure to rain etc.
yas1
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Joined: Thu Jun 01, 2017 1:20 pm
What Bike or Bikes Do You Own?: 34L Tenere
Fazer 600 FZS
XL125RC
Velocette Venom
Location: Hereford, UK

Re: SIEZED BRAKE CALIPER

Post by yas1 »

I probably shouldn't admit to this method but here goes...
Drill a suitable sized hole in the caliper in line with the centre of the piston, the hole size should be big enough to fit a drift/punch and also be a tapping drill size for a bolt eg an M6.
Put a punch in the home and beat the piston out, then tap the hole in the caliper and plug it with a shortened bolt, suitably coated with Locktite.
So if you happen to have an XT600 and wondered why it has an M6 Allen head in the middle of the caliper then now you know, I used to own it...

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