2004 Pontiac Grand Prix wheel bearings and road noise

2004 PONTIAC GRAND PRIX
90,000 MILES • 6 CYL • FWD • AUTOMATIC
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METLMIKE
  • MEMBER
  • 1 POST
in march 2009 before inspection, it needed, and we replaced, 4tires, inspecting mechanic did 2 new front sealed wheel bearings, ty rod end, four wheel align. before inspection the service brake and abs lights came on then traction control would disengage only when weather was cold. After inspection fron brakes were replaced about 2 months ago. Now 6months after inspection, all lights come on immediatly when started, and traction control disengages. As of 2weeks ago a hum has developed in front end that you feel in gas petal. The hum or noise sounds just like a truck would with oversized tires. Any ideas on the cause?
Oct 17, 2009 at 9:33 AM
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MMPRINCE4000
  • CAR REPAIR CONTRIBUTOR
  • 8,548 POSTS
Start by having the car scanned with chassis scanner, it will give you the ABS/traction codes.

If tire is suspect, remove tire and put on rear, if noise moves with tire, it is a tire problem.
Oct 24, 2009 at 11:13 AM
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