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retraction of Rear Brake Caliper Pistons S40-V40 2002

posted by  Jeffrey K on  Sun Jan 25 06:18 CST 2004
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How does one go about retracting the pistons on the rear brake calipers of a 2002 S40? I read an earlier series of posts that indicate that the piston must be rotated, but it wasn't explicit - do you rotate the piston to a certain orientation and then compress the piston normally, or does the piston screw in and out? I need help urgently because unfortunately, I pulled the caliper off the rotor and removed the pads already. Any advice is greatly appreciated...

Jeffrey K







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    retraction of Rear Brake Caliper Pistons S40-V40 2002

    posted by  Jeffrey K on  Sun Jan 25 12:11 CST 2004
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    Nevermind...I got'em changed! It's really quite simple once you realize they need to be turned. I used an 8" C-Clamp to put light pressure on the piston and was able to rotate the piston with a pair of Channel-Locks. Once I got the first couple of turns, simply tightening the C clamp made the pisto keep turning (it turned with the screw of the C-Clamp due to the friction in the spherical joint of the C-Clamp pad).

    Jeff






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