Mechanics

CHEVY REAR DISC BRAKES LOCKING...

2002 Chevrolet Tahoe

Brakes problem
2002 Chevy Tahoe V8 Two Wheel Drive Automatic 83k miles

I have changed the master cylinder, brake booster, both rear calipers, and all pads. After the master cylinder was changed, the rear brakes started locking up after 10 mins. Of driving. No ABS Light, E-brake is off and both cables are working properly. The dealer and just brakes both are at witts end. HELP!
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Echevy
May 28, 2009.




If everything is good, there are no leaks, and calipers are not stuck, the only thing I can think of is the proportioning valve. Have they checked that or considered it?



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