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Retracting rear brake pistons C70 2013

posted by  N7SC on  Sun Dec 5 06:09 CST 2021
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last visit: Sun Jul 7 14:12 CST 2013
[RELATED]

Trying to get the piston on a 2013 C70 rear brake caliper to retract so I can replace the rotor and pads, but no matter how much I turn the piston, and how hard I push, it won't go in. The cap for the brake fluid res is cracked open, and even removed once. Yet, still nothing.

What do I do, open the bleeder and use a hose to let the pressure out that way? Why is the piston turning, but not grabbing any threads (it does look like it is extended way out.).

Please, I need some help on this one, after I just put it all back together, the rear brakes were dragging so badly that I am afraid the car is not roadworthy now.
--
1955 Human, Scott; 1991 745 Turbo, Thunderbolt; 1994 940, Straxx; 2008 C70, Draco






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