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View Full Version : 250r rear master cylinder piston jammed.



xbenzx
07-31-2009, 04:52 PM
Ok I'm recieving a master cylinder (rear) with a piston jammed in it. I hammered the hell out of my last one till the piston came out with alot of pb blaster. It took about 2 hours to get out. Could you possibly drill a hole in the piston and use a screw extractor on it by pulling it out. I'm thinking of jamming the piston in even harder so the spring behind it has more force on it. The big mistake I made last time was putting a tech screwdriver ( mini screwdriver ) in the inlet holes. This intern damaged the cylinder walls cause the new piston to get jammed up on the metal. I sanded the stuff out but I sanded to much and it leaks . But I am getting another chance at this since i'm getting another one tomm. . Can anybody help????

AutoXer
07-31-2009, 05:02 PM
put a grease fitting on it and pump it out with hydraulic pressure