2007 GMC brake problem
#1
2007 GMC brake problem
I got my pickup the first part of June and the brakes were great. It had a nice firm and consistent pedal. About a month later you could barely touch the brake pedal and it would slow down/stop the truck. I took it to the dealer, they drove it and said it was ok. A couple weeks later the passenger rear tire stared locking up when you put descent pressure to the pedal and the brake pedal was higher and made the truck uncomfortable to drive. I took it to another shop he noticed the problem right away, the rear brake were out of adjustment. (has drums on rear) This cured the problem for a couple of days, now the pedal seems to be raising up again. Could a bad master cylinder cause an inconsistent pedal and cause the drums to adjust out?
#3
As time passes, brake pedals since and you need to press harder to stop. Your ride seems to be doing the opposite.
An accumulation of brake dust will also cause your rear brakes to become very sensitive and lock up on light braking.
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