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1993 Pontiac Bonneville Brakes not working properly

Tiny
PLANHAM1978
  • MEMBER
  • 1993 PONTIAC BONNEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 216,000 MILES
Rotors, pads and calipers replaced on both front tires in dec. 09, brakes sometimes had to be pumped to get them to catch and brake properly. Then, last month, they just stopped working-pedal goes all the way to the floor. Brake fluid is completely full and the passenger side tire gets covered in brake dust while the driver side tire stays clean.
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Thursday, March 18th, 2010 AT 2:34 PM

1 Reply

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
The proportioning valve is probably faulty. They need to be bleed too, somehow air entered the system, maybe because the fluid was low months back and was topped off. But air had already entered the system. May have a small hole in one of the brake lines, wont know until it is inspected.
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Monday, March 22nd, 2010 AT 10:15 PM

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