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914World.com _ 914World Garage _ Stuck caliper piston

Posted by: Elliot Cannon Jul 16 2005, 03:46 PM

OK so the 914 is still at FAT Performance getting some engine work done. So I decide to rebuild the brakes on the tail dragger and find a frozen piston in one of the front calipers. Anyone have any success at removing a frozen piston? I clamped down one piston and tried to drive the other out with compressed air but it wouldn't budge. I got some penetrating fluid (no KY jokes please) on it now and will try again soon. Oh yah, my computer crashed totally as well. (I'm on my lap top now). Sure can't drive anywhere so I've been watching the Toor Day France. Hope your day is going better.
Cheers, Elliot

Posted by: goose2 Jul 16 2005, 04:03 PM

you could try hooking the brake line back up, clamp the free piston, and pump it out with hydraulic pressure

Posted by: Cap'n Krusty Jul 16 2005, 04:11 PM

Worst case, hook a grease gun up to it and force it out with the grease. Messy, but effective. Before that, remove the duct cover, hit it with Kroil, and push the piston IN. Apply air pressure 'til it moves a bit, squeeze it back in, and repeat until the piston pops out. The Cap'n

Posted by: Elliot Cannon Jul 16 2005, 04:48 PM

Thanks for the help. I just now got it out. PB Blaster rules! Worked in and out a few times, clamped the other piston down, put some air to it and, KAPOW!
Today pormises to be a little better. Thanks again for the advice.
Cheers, Elliot
PS What's Kroil? Something like PB?

Posted by: SLITS Jul 16 2005, 05:31 PM

Kroil = Kooked Foil....what happens when you try to protect yourself from hearing Miles & Mikey brainwaves.