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Just Changed Brakes (Brake Failure Warning) 200 1991

posted by  oldyellr on  Mon Oct 21 14:29 CST 2013
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last visit: Fri Oct 24 14:28 CST 2014
[RELATED]

Because he could not get the shims in (those supposedly anti-squeak shims that go on the back of the pads) I would presume he didn't get the piston(s) all the way back.

When I replaced the front rotors and pads (Girling) on my 745, I could not get the piston on the driver's side all the way back and had to force the caliper and pads on without the shims. Test-driving the car, it first pulled to the left, but after a bit pulled to right when braking because the pads were overheated an faded. When I got back and parked, the left wheel was smoking. Clearly, this wasn't going to work. I ended up replacing one of the new pads with a slightly worn one, plus the shims, and all is well now.

Maybe the piston could not be forced back all the way due to corrosion in the seldom-used bottom of the bore, but I wasn't about to rebuild the caliper.
--
1992 745, >500k km






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