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Old 10-13-2014, 06:48 PM
777stickman 777stickman is offline
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Re: '89 C2500 rear brakes lock up

Quote:
Originally Posted by ASJT3 View Post
I checked the rears, clean as a whistle. Lots of pad left too. I'm thinking there's too much power to the rear brakes. could this this be a valve block issue?
I've been following your post and was thinking a bad Proportioning Valve also. Could also be a bad M/C? I've had that happen in the past!! To test this you would need to disconnect and plug the outlet to the rears at the M/C or P/valve to see what kind of braking you have to the fronts.

Does the "RED" brake light come on when cranking the motor?
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