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Old 09-01-2013, 07:48 PM   #3
jd7
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Join Date: Sep 2012
Location: canoga park, ca.
Posts: 120
Re: Rear brakes locking up! Help.....

Quote:
Originally Posted by mgchevyparts View Post
He added a booster.
Most likely the boosters front pin is slightly too long which is pushing the master ever so slightly, this will not allow the master to release. The test for this is get them to lock/drag after pressing on pedal, remove two nuts securing master to booster and pull the master forward, if the brakes now release that is the problem, A thin, flat washer placed between the booster and master (one on each stud) will usually solve this situation.
great advice that would be the first thing I would check check
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