I am assuming the brakes did not used to lock up, so they must have started to lock up after an event or a maintenance attempt. If the car was involved in an accident, a thorough inspection of brake components and chasis is required including the brake pipes and flex hoses. If as I suspect the car started to exhibit this condition after either a brake service or shoe replacement with drum resurfacing, then there could be a couple of issues here. The actual brake adjustment could be too tight on both of the rear self-adjusters. The parking brake cables of mechanical links could be sticking/seized or also adjusted too tight. If this was a recent brake shoe replacement, I would suspect either an improper set of shoes, which could be shoes that have a too high coefficiency of friction for the car type, or just the wrong set for the car, or a set of brake shoes of inferior quality. I would check part numbers of the shoes to be sure the right ones were installed.
2006-12-23 06:56:55
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answer #1
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answered by Deano 7
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First choice- back brakes adjusted too tight.
Second choice- back wheel cylinders leaking brake fluid onto the pads.. this will definitely cause grabbing or locking.
2006-12-23 13:24:53
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answer #2
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answered by Anonymous
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