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Old 09-02-2017, 02:56 PM   #1
meisterj
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Default disc brake piston won't retract

Hello,
I put the TSM rear disc brake conversion on a '74 scout II. The directions said to take the calipers off the bracket to bleed them, so I did. After bleeding, one side was fine but the piston on the other side was pretty far out. When I tried to retract it turning clockwise with a needlenose pliers, it came out farther instead of retracting. Rented the piston retraction tool from AZ and even using that I can't get the piston to turn and retract. What can I do? Did I do something wrong or is the caliper bad?
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Old 09-02-2017, 06:58 PM   #2
Robert Kenney
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Default Re: disc brake piston won't retract

Apply pressure to the piston with a C clamp and loosen the bleeder screw. After pushing it back till it stops, begin turning the piston in the reverse direction of of the first attempt.
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Old 09-03-2017, 02:06 PM   #3
meisterj
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Default Re: disc brake piston won't retract

Loosening the bleeder did the trick. Thanks.
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