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1995 GMC C2500 Rear brakes lock and drag.

Tiny
JNRJENKS
  • MEMBER
  • 1995 GMC C2500
  • V8
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
My rear brakes lock and drag but do release. Checked the codes and 12 is the only one which is ABS functioning properly. Backed the rear shoes away from the drums and still have the same problem. Shoes are clean. The truck seems to brake harder in the rear instead of the front. Fluid runs freely though the lines and the wheel cylinders and return springs replaced.
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Wednesday, April 15th, 2009 AT 9:36 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
When do they lock and drag? Have you check the proportioning valve? Sound like they may not be working properly.
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Saturday, April 18th, 2009 AT 9:05 AM
Tiny
JNRJENKS
  • MEMBER
  • 2 POSTS
They stay applied and don't release for a few seconds every time I stop. Starting to think the pads I bought six months ago are junk. Would the p. Valve cause this. When braking down hill the whole truck shakes.
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Sunday, April 19th, 2009 AT 8:07 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You wanan list what was all replaced so far? What was checked?

Is it rear drum or disk?
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Monday, April 20th, 2009 AT 6:15 PM

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