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Old April 8th, 2003, 19:30   #12
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Join Date: Apr 2002
Location: Toronto, Canada
Fuel Economy: 5.6/100
Default Anyone Know Why My Brakes Squeak In Reverse Only?

Question to you all.... Do you all drive in reverse?

It's not uncommon for disc brakes to squeek in reverse. As was mentioned earlier, the pads are used 99.999999999% of the time going forward. The pads wear in that direction and therefor when you go reverse, the pad in its entirety is pressing up against the rotor with the sharper(less used portion) of the pad touching. It then causes vibrations. It's not dissimilar to toeing in brakes on a bicycle to prevent the squeeling when braking going forward. But.. When you toe in a brake pad on a bike it squeeks up a storm when moving the bike backward and braking. The addition of the thin rust layer (after sitting overnight, washing the car, driving in the rain etc..) just causes more vibrations thus more squeeling. The original rear pads on my golf (2000) never squeeled in either direction. That's because they were soft but they wore down super quick. Now, the new pads are harder, wear a lot slower but occasionally squeel. There's nothing wrong with your rotors and there's nothing wrong with your pads. All's good. As long as it's not a metal to metal sound and there's plenty of meat left on your pads all's good.
Hope that helped!
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