GMC Sonoma owners have reported 6 problems related to brake disc (under the service brakes category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sonoma based on all problems reported for the Sonoma.
Left front brake caliper failed closed and caused excessive wear requiring replacement of calipers and rotors on both sides as abs system compensated for failure this disguising the problem. Dt.
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all problems of the 1999 GMC Sonoma
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We have had numerous problems with this vehicle sine one month after purchase including the idle sticking/interior moulding cracking/transmission rebuilt/computer replaced due to failure engine check light indicator light does not turn off, and right side brake does not seem to wear properly. . My husband is able to recall more.
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all problems of the 1996 GMC Sonoma
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Abs brake failure.
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all problems of the 1997 GMC Sonoma
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Traveling 65mph on interstate pressed on brakes to slow down, brake pedal went to floor. Pulled to side of road & waited. Took vehicle to dealer. Mechanic said brakes & rotors were worn & needed to be replaced. Problem reappeared & a lot worse. Back to dealer & told pads needed replacing.
The brakes are warping every 6 months, causing a potential safety hazard.
Whenever brakes were applied, they would make a lot of squealing noises in the front, consumer took to dealer who stated that the noise was normal, front brake pads have been replaced once at 20000 miles and another time at 32000 miles, brakes were not covered under the extended warranty.