Grand Am SE 1999 Wheel Hub Assy / ABS problem

Tiny
GRANDAMMAN
  • MEMBER
  • 1999 PONTIAC GRAND AM
My 99 SE 3.4 V6 has a problem with the front brakes. It was scanned 3 times and it was the RF wheell bearing (bad sensor) I thought this was odd to have 3 defect (Precision Brand) wheel hubs but then at a local Tuffy Center they replaced it with a Timken bearing and I still have the same results. The guy then tells me that its possible that when I drive the voltage in the the ECBM is dropping from 14.3 to about 2 volts and thats why the ABS light keeps coming on. Also when it starts from a cold start I back out.I keep getting the LOW TRACTION light then the right side makes a scraping noise then the TRAC OFF and ABS lights appear for th rest of my trip. HELP!
Thursday, July 12th, 2007 AT 12:35 PM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Look at the wiring harness going to sensor very carefully for damage, is where I would go with this one. They can be sneaky like that.

What codes are listed in the computer, I am assuming it is the one for that wheel.
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Thursday, July 12th, 2007 AT 1:11 PM

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