ausmini :: View topic - Caliper Question

try anything..... what worked for me was putting a bolt through a ring spanner and screwing a nut on it, then putting the bolt in the hole in the piston and screwing the nut out so that the bolt was stuck in the piston, then I jerked it out with the ring spanner.... I think pushing it further in helped too

I guess if you get really desperate and you're going to replace the piston, you could drilla hole in it and tap it and pull it with a bolt

is it an option to put it back ona car and use the brake pedal with no pads to force the piston out?

Author:	CPOCSM [ Fri May 26, 2006 8:35 pm ]
Post subject:	Caliper Question
Gday all - a quick question... I am starting the pull down of some 7.5 Cooper S brakes - how do you get the pistons out? They are fairly well stuck there - do I carefully pry out the outer ring and rubber seal or soak them in a deisel bath for a while. Your learned words are welcome Hooroo Rob Forsyth Miniot!!

Author:	drmini in aust [ Fri May 26, 2006 8:43 pm ]
Post subject:
Actually easiest if you connect hoses onto a Mini... clamp the inner piston with a g clamp etc, then use brake pedal to pump the outer one out. Remove the inner one with a pin punch thru the hose port, and BFH. If off car you can use compressed air this same way, but put a piece of masonite or something between pads as piston will come out fast.... be careful.

Author:	simon k [ Fri May 26, 2006 8:44 pm ]
Post subject:
try anything..... what worked for me was putting a bolt through a ring spanner and screwing a nut on it, then putting the bolt in the hole in the piston and screwing the nut out so that the bolt was stuck in the piston, then I jerked it out with the ring spanner.... I think pushing it further in helped too I guess if you get really desperate and you're going to replace the piston, you could drilla hole in it and tap it and pull it with a bolt is it an option to put it back ona car and use the brake pedal with no pads to force the piston out?

Author:	CPOCSM [ Fri May 26, 2006 8:45 pm ]
Post subject:
Poop - they are apart. Might have to get them to a brake place in the morning... Will keep on trying... Hooroo Rob Forsyth Miniot!!

Author:	CPOCSM [ Fri May 26, 2006 8:49 pm ]
Post subject:
skssgn wrote: try anything..... what worked for me was putting a bolt through a ring spanner and screwing a nut on it, then putting the bolt in the hole in the piston and screwing the nut out so that the bolt was stuck in the piston, then I jerked it out with the ring spanner.... I think pushing it further in helped too I guess if you get really desperate and you're going to replace the piston, you could drilla hole in it and tap it and pull it with a bolt is it an option to put it back ona car and use the brake pedal with no pads to force the piston out? That is gold - would never have thought of that. I was contemplating the drill and thread but will try your way now - will be back in 5...lol Hooroo Rob Forsyth Miniot!!

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Author:	CPOCSM [ Fri May 26, 2006 9:05 pm ]
Post subject:
Well bugger me - it bloody worked - the ring spanner and bolt and nut think worked. A twist clockwise, then back again and a sharp tug - POP!!... The other side is proving a wee more stubborn...lol Hooroo Rob Forsyth Miniot!!

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