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When pressing the brake pedal the rear brakes lock up?

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1993 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 95,000 MILES
When I push on the brakes, the rear brakes (ABS) lock up. I inspected the brake pads and shoes along with the drum and rotors and all are fine. I suspect the proportioner valves in the master cylinder. Am I on the right track or is there something else I need to be looking into? Thank you.
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Wednesday, October 20th, 2010 AT 9:07 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
Replace the rear brake shoes, return springs, and check the size of the drums. If oversized, replace them.
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Wednesday, October 20th, 2010 AT 9:09 PM

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