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Rear Brake Bleeding, air leak


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New here, Ive searched and read posts until my eyes bleed.  I bought a banshee from a friend and he didnt have the rear brake system mounted, Ive got it all mounted and have bleed it using a syringe and tube, but it keeps sucking air bubbles out of the system and the brake lever never gets stiffer.  So my question is, can I be sucking air through the caliper and would a rebuild kit fix this issue.  The next question is I dont know if its a stock axle, but when i press the brake lever the piston/pad move out and push the disc, shouldnt the disc get pinched and not pushed to the other pad?

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its a floating caliper so it needs to be able to slide keeping brake pad wear even.

you can try to free it up but I just recently had to throw one in the trash and get a new one. I think it was from 1989 and it would NOT move.

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It doesn't slide much. The in side pushes against the rotor, pinching it against the outer pad. Then the in side slides back to clear the rotor. You can take the caliper back off, slip the pads out, spray hell out of everything with brake cleaner....get one of the little "ketchup pack" sized brake grease they keep on the counter at O'Reillys for .99 to use on the bolts. Yes torque 'em down good and snug.

Edited by BANSHEE CHAOS
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