how do I compress the brake piston so I can slide the caliper over new pads? on 2008 Chevrolet Uplander

How do i compress the rear brake piston so I can slide the caliper over the new brake pads

by in Aurora, CO on December 10, 2010
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2 answers 1 comment
ANSWER by , December 10, 2010
open your break fluid resovior get a big enough clamp and use your old break pad put the pad adgainst the pistion and take the clamp and put the top part of the clamp behind the caliper and the bottom part of the clamp adgainst the old pad and start closing the clamp until ur pistion is all the way closed install new break pads
COMMENT by , January 15, 2011
The REAR wheel brake pistons MUST be turned/rotated back inward like a screw clockwise to move them inwards - one can use a large needle nose pliers or special tool from GM to do this. The 10" needle nose pliers worked fine for me.
ANSWER by , February 25, 2011
special tool turn or twist back inward,(don'tuse C-clamp)you will damage something.