Dragging Brakes

Lines, hoses or connections dented, kinked, collapsed or clogged. Master cylinder compensating port clogged or restricted by swollen primary cup. Residual pressure valve installed by mistake in master cylinder (no valve used with disc brakes). Caliper pistons frozen or seized. Caliper cylinder seals swollen. Caliper cylinder bores corroded or rough. Power unit pushrod out of adjustment. Sticking pedal linkage. Metering valve (in line to front brakes) not working. Driver riding pedal. Power booster check valve faulty.