What would cause rear breaks to lock up when operating truck but after driving short distance this no longer happens.
Feb 24, 2010 at 9:59 AM
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CARADIODOC
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If the brakes lock up once, first thing in the morning, suspect rust buildup on the drum surfaces from humidity in the air.
A sticking parking brake cable will cause a drum brake to grab too easily under light pedal pressure. Flexing the cables will often help them to retract, but replacement is the proper repair.