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Author Topic: bollox  (Read 4517 times)

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monkeybiz

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bollox
« on: May 05, 2007, 12:31:52 PM »

stripped the front calipers as they were siezed on the yj. cleaned and greased the sliders. slid out the piston to free it up then as i was pushing it back with a crowbar........
CRACK!

THE PISTON BROKE IN TWO :shock:  and i wasnt realy forcing it

so ive ordered up 2 new rebuild kits

anyone else seen this problem
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greggmo

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« Reply #1 on: May 05, 2007, 12:42:54 PM »

they can be quite brittle. one of mine has a small chunk out of it but it still works ok. i guess its the hot and cold all the time.
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Dave69

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Re: bollox
« Reply #2 on: May 05, 2007, 09:20:12 PM »

Quote from: "scotjeeps"
slid out the piston to free it up then as i was pushing it back with a crowbar........
CRACK!

THE PISTON BROKE IN TWO :shock:  and i wasnt realy forcing it



you dont have to use much force with a crow bar to break something.

why dont you use a large 'g' clamp and the brake pads as a pad to wind the piston back in. Alot more smoother than the brute force of a crow bar
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XJ 2.5 diesel - dead. XJ 4.0 6" lift - sold to some lucky person
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monkeybiz

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« Reply #3 on: May 06, 2007, 09:12:31 AM »

what i sould have said was a prybar
the caliper was still attached the the hub and the outerpad still in.
what i was doing was pressing the pedal to move the piston out so i could move it back so to give it some movement to free it up and i was using the flat part of the prybar to move it back into the housing.

what ive discovered is a heavy bit of corrosion on the piston under the dust sealwhich has been stopping the piston going back in and hence sticking on.
with me pushing the pison back in part of it has stuck fast, hece the break.
but looking at the condition of them its not surprising it broke

the downside, with my shift pattern its going to be another 2 weeks till i get her on the road :(
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Bubba

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« Reply #4 on: May 06, 2007, 09:27:12 AM »

ahh well shit happens
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