2007 GMC ENVOY
77,000 MILES
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ANONYMOUS
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the brakes lock up,why? the booster was replaced and only lasted 6 days??????
Mar 1, 2013 at 2:45 AM
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ASEMASTER6371
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have the entire system checked. it may not be the booster

Roy
Mar 1, 2013 at 2:52 AM