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914World.com _ 914World Garage _ Removing front caliper pistons

Posted by: 914zim Sep 9 2003, 11:23 AM

Hey guys:
I'm trying to get the pistons out of the front calipers.
It looks like they're seized, but they're not too bad looking.
I cannot move them by hand. I've sprayed tham with Liquid Wrench to try and loosen them up.
I've used the trick to blast compressed air to remove one of them in the past, but I was wondering if you guys had any other ideas.
I was thinking of just grabbing the very tops with a pliers and trying to twist and pull them out, but that didn't seem like the best idea. I do have the rebuild kits on order.
Any ideas are appreciated.
Andy...

Posted by: porsche735 Sep 9 2003, 11:26 AM

Did you try the compressed air? That's what I do. Sometimes you need to use some soft jaw pliers or vise jaws to twist it a bit along with the air. the trick is to be gentle...

Chris

Posted by: 914zim Sep 9 2003, 11:45 AM

I guess I should've done a search first... a lot of good tricks there.
Thanks guys!!!

Posted by: smrz914 Sep 9 2003, 11:50 AM

My friend used compressed air once and when the piston came out it weged his thumb between it and the other side of the caliper. I've herd suggestions of using grease b/c it's not compressable. It's for a safety measure. Some kind of penetrating fluid like Marval Mystery oil might help. try pushing the piston in not out and see if it moves. if it does then try slowly going out. good luck.

Posted by: 914zim Sep 10 2003, 06:10 AM

Thanks fellas!!!

Posted by: Steve Thacker Sep 10 2003, 06:31 AM

Ge yourself a case of PB Blaster,..if it can't remove rust / corrosion throw the part in question in the lake. I swear by the stuff.

Steve

Posted by: 914zim Sep 10 2003, 11:39 AM

Thanks Steve!
I agree
I just sprayed 'em up before I left for work...
I'm on my 3rd can already!
Andy...