Question about 2004 Pontiac Grand Prix

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I have a humming sound coming from my front driver side when I reach about 30 mph and the ABS sensor keeps going out on the same side.

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Most probably your left front wheel bearing...the speed sensor for the Abs is contained within the wheel bearing so it generally flickers\comes on when driving as there is play within the bearing and the readings are erratic from the play within the bearing.....jack up the car and check for side to side,up and down play with the tire...if you find play\movement then that is the most probable culprit.....the bearing is self contained ,not greasable and is replaced as a unit,it comes with the abs sensor within it....takes about an hour to replace and the bearing assemble costs about 70-200$,,,shop around it;ll save you money ive learned

Posted on Apr 27, 2010

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Posted on Jan 02, 2017

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