Quote:
Originally Posted by andreasue
Maybe that squeaking sound it the rust itself? Oh God i am always applying WD-40 on my breaks hoping to remove some rust. So tell me is it bad for my breaks? So far i am not hearing any squeaking sound in my car maybe because i maintained it with anti-rust spray.
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Applying WD40, which is a water displacing product that includes mineral oil, to your brakes, is a very bad idea. Brake pads are not designed to be contaminated by oils and still have the proper performance characteristics (friction, durability, etc).
Squealing brakes are caused by the pad vibrating. You can isolate that vibration so that it doesn't carry through the caliper, when you hear it, by using high temperature grease on the ears of the pads where they touch the calipers. There should never be lubricant applied to the friction surface. Never.
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2007 X3 3.0si, 6 MT, Premium, White
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