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1996 Pontiac Sunfire Rear brakes locking up

Tiny
ADAM FARIS
  • MEMBER
  • 1996 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 125,365 MILES
The rear brakes lock up intermidantly, I have inspected them, found nothing out the ordinary, no fluid leaking in drums. I backed off the adjustment. This stopped them from locking up untill the self adjusters did thier job, than back to the same problem. Can you help?
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Sunday, September 20th, 2009 AT 2:31 PM

1 Reply

Tiny
ASHLEYADAM
  • MEMBER
  • 6 POSTS
When I had this problem on the rear passenger wheel, one side of the wheel cylinder had corroded. Subsequently, instead of both shoes traveling / expanding equally only one side was moving. The one shoe was effectively traveling twice the amount it should because the volume of brake fluid was displacing only one brake shoe. This caused the wheel to grab / lock up. After driving a short while heat would seem to expand the components releasing the stuck side of the wheel cylinder allowing the brakes to function. I replaced the wheel cylinder for about $10 from O'Reilly Auto Parts
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Tuesday, February 21st, 2012 AT 4:20 AM

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