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Rover 420 front brakes - Peter
I examined the front brakes on my car and found the front offside outer pad very thin, the other three pads are still thick.

The defective pad being on the outside is not operated by the hydraulic piston but by the stub arms. Why should that one pad wear heavily when its mate is still in good fettle? The piston moved freely in its bore.

Can anyone enlighten me, in the simplest of terms.

Thank you.
Rover 420 front brakes - Dynamic Dave
Why should that one pad wear heavily when its mate is still in good fettle?


Siezed caliper? The pad on the piston side moves back by the action of the piston retracting slightly, but the pad on the other side of the disc cannot.