Wheel speed sensors

Tiny
JDA
  • 2001 OLDSMOBILE ALERO
  • 4 CYL
  • FWD
  • MANUAL
  • 98,000 MILES

Abs and brake light on code reader says left side speed sensor no signal befor I change hub is there a way to check sensor 2001 olds alero with abs

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Monday, March 7th, 2011 AT 12:40 AM

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Tiny
CARADIODOC
  • EXPERT
  • 27,978 POSTS

You would need an oscilloscope to view the signal. GM has had a huge problem with their ABS sensors. The sensor isn't actually the problem. A little normal play develops in the bearing. The tone ring moves a little and causes the signal to drop out. The only fix is to replace the bearing assembly.

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Monday, March 7th, 2011 AT 12:57 AM
Tiny
JDA
  • MEMBER

Thanks nice to know jda

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Monday, March 7th, 2011 AT 2:20 AM

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