Question about 2001 GMC Sonoma Extended Cab
Not allways but more often in last day. Light goes on for a while and then off but not necessarily at same time. Rear brakes were down, changed the pads. Fronts 1/2 good. Fluid never below 3/4 full. Brakes work fine until the last 3-5 feet of lignt/slow/normal braking then the pulsation until stopped. Not just a slight vibration but a full blown pulsation and appropriate sound. No roter warp pulsation.
The truck towes fairly often but trailer has 4 wheel brakes that work well.
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Posted on Jan 02, 2017
There was a TSB on this issue with your Sierra, a faulty or dirty ABS sensor is the cause of this problem. The fix is simple, just clean the ABS sensor at the front hub with brake parts cleaner and inspect the wire leads. At worst you may have to replace the sensor it self. Good luck
Posted on Feb 17, 2010
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