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Retract rear caliper piston

Right rear piston is fully extended, so far I can not get the piston retraction tool in. Tried a c-clamp with bleeding some fluid - no luck. Tried turning with channel locks. The piston turns fine, but will not retract. What now?

Posted by Tdi Mark on

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Aaron grubbs

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  • Contributor
  • 17 Answers

Try opening the brake bleeder. Some foreign models have a screw in the rear of the caliper that retracts the piston.

Posted on Oct 31, 2013

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3 Related Answers

bigg t

anthony james

  • 640 Answers

SOURCE: rear brake calipers

A big pair of channel locks will collaspe the caliper but it does take some muscle or you can release the brake line nut and releave the pressure but then you would have to bleed the brakes.

Posted on Aug 03, 2008

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Anonymous

  • 58 Answers

SOURCE: tricks to replacing rear brake pads, 2004 new

Notice the Two holes on the caliper piston face? They receive the pins of a special tool that turns and presses in at the same time to collapse the piston. You may be able to approximate the effect with a pair of needle nose pliers or such and turn & press in. The right tool works best.

Posted on Jan 18, 2010

jsmes1027

Jonathan S

  • 749 Answers

SOURCE: rear brake caliper piston on 03 mustang will not

Either the caliper is frozen or or you need a special tool that will allow the piston to be screwed back in at the same time pushing the piston in. If the piston is solid and has grooves in it it requires the tool. If the piston is open in the center then most likely the caliper is bad. Alternatively you can use a c clamp and something that can be used to turn the piston such channel locks but the tool works best.

Posted on Oct 25, 2010

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