Brake caliper question
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Freshman User
Joined: Oct 2014
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Brake caliper question
do both pistons on a brake caliper need to depress at the same time? I noticed that only one piston will expand or contract while the opposing piston does the opposite. Doesn’t seem right to me? 2012 f250
Laughing Gas
Joined: Oct 2017
Posts: 922
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Use a piece of wood that covers BOTH pistons, and push them back in at the same time. Make sure the brake fluid reservoir has space for fluid coming back in. I always just crack the bleeder valve so dirty fluid form the caliper won't travel back.
Cracking the bleeder valve might also help if you just want one piston to be pressed in. (not sure why but....)
6.7 Weight Loss
Joined: Jun 2017
Posts: 1,141
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From: Woodbury CT
Cracking the bleeder valve a bit should also make pushing the pistons back in a bit easier. Remember to not leave the cap off the brake reservoir for too long, exposing the brake fluid to air causes it to absorb moisture out of the air. Seems trivial but from what I've read that's a no no.
