Mechanics

BRAKE QUESTION

2004 GMC Envoy • 4WD Automatic • 85 miles

MY brakes seem to be locked, and im hearing somethink that sounds like a pump trying to pump(sound is coming from the rear of the vehicle), every time I hit my breaks. Any ideas as to what this could be?
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Dpm.1980
December 31, 2010.



Has the ABS light come on? If you lift the vehicle (safely) are you able to turn the wheels?