Quote:
Originally Posted by Dashnine
The springs mentioned (I assume are rivetted to the back of the pads?) hold the pad to the piston. The piston itself is retracted away from the disc by the flex in the hydraulic seal when the brake fluid pressure is released - i.e. rollback. All the springs do is to make sure the pads move away from the disc with the piston.
Or at least that's how it was done on Girling sliding caliper brakes (the Colette) on which all sliding calipers are based.
Still have no explanation about how pads can wear at the top and bottom unless the pad back plate is bent.
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Mostly the pads move back a very small amount by disc wobble caused by a very minute fraction of movement in the wheel bearings. There are no return springs and as you say those short flat springs rivetted to the pad are simply to locate the pad.
Most of the folk in this thread are talking about rubbish and badly made pad assemblies. These anomalies cause problems that never occurred with the original pads supplied by Rover.-----