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How to retract brake caliper piston? - 2004 Buick LeSabre

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Jeffrey Turcotte

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  • Buick Master
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Hi, if this is a front caliper that is still on the rotor, I pry between the rotor and rear brake pad to push the piston in. I usually have to pull on the caliper a bit to get it retracted enough to get a screwdriver in between. If the caliper is already off the rotor, I leave the old inside pad on the piston and put a large c-clamp over the caliper to push on the pad and retract the piston. If this is a rear disk caliper or if you have any questions, please reply.

Posted on Jul 31, 2011

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Anonymous

  • 34 Answers

SOURCE: rear electronic patking brake/ caliper looks SCARY.

Your A8 and new shape A6s with electric parking brakes require an electric input to the vehicle to tell it to wind back the pistons/pads. Main dealers have this on their diagnostic equipment. You can also purchase after market tools that just do this operation, heres an example
http://www.alpha-bid.com/product244.html
I have only ever used a main dealer machine so im not sure how good an after market one will be. Im not aware of anyway of doing the job without an electrical input to wind back the pads, the motors are very powerful so I wouldnt reccommend trying it manually. Hope this helps.

Posted on Mar 15, 2009

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Chuck Finn

  • 169 Answers

SOURCE: 2006 Mustang rear break caliper piston will not compress

Hi Alberts73,
The caliper piston has to be turned clockwise as it is compressed. If not,it will not retract. This will allow the park brake to reset. If you have only pressed the caliper in with a "C" clamp,you may have damaged the mechanism inside the caliper. If this has happened,you will need to replace them.The OTC #206-026 is the tool for turning the caliper back into the bore. I hope this helps,if you need more information,drop me a line. Thanks,Chuck

Posted on Feb 08, 2010

roniecon

Ronny Bennett Sr.

  • 6927 Answers

SOURCE: 2006 Kia Spectra 5 rear brake disc replacement

One side,turns right,and push in slightly,and the other side turns left,to retract.

Posted on Apr 20, 2010

dougbender51

  • 976 Answers

SOURCE: 2006 Kia Spectra 5 rear brake disc replacement

you need a special tool avalable at most parts stores. its a disc brake piston turning tool. you have to rotate piston clockwise while pushing in on piston. you can fabricate something that enguages the slots and push and turn till all the way in.make sure to note position of slots and put them in same place as was before or the pin on the pads wont enguage the slot

Posted on May 11, 2010

Sabo Gerovski

  • 271 Answers

SOURCE: how to compress rear brake caliper piston

Only way is to use diagnistic equipment.Go to HAND BRAKE . There is option to release the pistons.When you change the brake pads you have to use option - engage .

Posted on May 15, 2010

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