Question about 1988 Toyota MR2

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Brake pistons won't retrack to allow new brake pads to be install

Toyota MR2 1990
she's a gem of a car, however everyone has had probs trying to replace the brake pads due to the pistons refusing to retrack and make room for new brake pads..

any idea's?

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  • mrvinny Feb 22, 2009

    Brake in rear pistons have to be screwed back in if you do not have the tool you can use a needle nose vise grip wrench. Tighten it down in the center of each piston and turn it slowly. You must do this because the emergency brake is internal and is attached to the piston...be very patience ...it will work!!!!!

  • tominator345 Mar 29, 2009

    Tried turning the piston back. Turned clockwise and the piston came out instead. Tried turning it counter clock wise the piston won't budge.
    Now the piston is maxed in the out position!


  • yadayada
    yadayada May 11, 2010

    replace the caliper assembly's

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It's possible the pistons "screw" back in, even though they don't look like they are threaded. Very much like X-1/9 calipers. You might also attach a small hose to the bleed valve, and squeeze the pistons with a large set of pliers.

Posted on Jan 16, 2009

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Pull the calliper, loosen the bleed screw, use a C Clamp, put the old pad on the piston compress the clamp that should take it back..if not pray wd40 behind the piston dust cover.

Posted on Dec 25, 2008

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