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Old 10-18-2011, 12:55 PM
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chevy brake problem.

Hey everyone. I have a 1992 chevy silverado 1500 pick up 2wd truck, last week my right front disc brake started locking up . I jacked up the front,and when you press the brake pedel down,only the right side locks up,( or should i say ,is hard to turn rotor) And will start freeing up after about 5 min. I have replaced the disc caliper twice, the rubber brake line, and the proportioning valve. and still does the same thing..Im going to try to blow out the brake line from the master cylinder to brake disc caliper and back the other way too,and if its ok, should i replace the master cylinder, ?? any help would be great. thanks

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Old 10-18-2011, 02:34 PM
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I had a '76 2WD Blazer that did as you described, turned out the brake hose retainer mounted to the A-arm had rusted up inside and over time this had pinched the hose nearly shut. But you replaced the hoses, so that's probably not going to be it.
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Old 10-18-2011, 02:58 PM
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yes i replaced the hose, the old hose was bad cause ,when i tried to gravity bleed it at the brake caliper no fluid would come out,so i took the old hose off, and tried blowing from the end that bolts to the caliper and couldnt blow threw it, and i thought then i found the problem, but after putting new hose on, it still did the same thing, but i could gravity bleed it this time. Its been raining here so havent been able to blow threw the metel brake line yet. thanks tho..
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Old 10-19-2011, 08:52 PM
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Well today i went over a couple more things like blowing threw the lines, and as i sat looking at the caliper, i started to backing out the bolts that hold the caliper on, and as i did , the rotor started to turn more freely, and i took the new pads back off and to make a long story short, the new pads was a defect, and got new ones, and now it works good.
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Old 10-19-2011, 09:04 PM
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I thought you were going to say the caliper was stuck to the thru-bolts that the caliper rides on but you had them off already. I've seen them do that, the O-rings were shot and let crud, water, etc. build up and froze the caliper pretty good. Anyway, glad you got it.
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