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c5 4.2 a6 brake problem

Old 07-27-2014, 07:05 PM
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Default c5 4.2 a6 brake problem

The front passenger side brake caliper locks up if it gets hot when it cools it is fine for a while then i does it again. Tried to bleed the brakes and both front bleeder valves snapped off. Bleed both rears. front passnger side still sticks. I can tell when its gonna do it cause the brake pedal gets hard to push. Any thing that could cause this. Im up for any suggestions.
Old 07-28-2014, 07:28 AM
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Originally Posted by goodys90
The front passenger side brake caliper locks up if it gets hot when it cools it is fine for a while then i does it again. Tried to bleed the brakes and both front bleeder valves snapped off. Bleed both rears. front passnger side still sticks. I can tell when its gonna do it cause the brake pedal gets hard to push. Any thing that could cause this. Im up for any suggestions.
Replace or rebuild the caliper. Chances are the guide pins are dry (grease gone) or the caliper piston(s) are corroded in the caliper bores.
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