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Can anyone give me assistance on eliminating rear brake squeal in a 1992 740? I replaced the pads and calipers a couple of weeks ago. The rebuild calipers had the piston 180 degrees from where it should be, but I could not rotate it with large needle-nose pliers as suggested by brickboarders. I've installed teflon shims and brake lubricant, but the (very loud) squeal comes back after a couple of days.
Would it help to drain the brake fluid from the calipers before trying to rotate the piston? I had the whole thing hooked up when I tried it before.
Thanks for your help.
Andy
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