Mechanics

WHEEL SPEED SENSORS

2001 Oldsmobile Alero • 4 cylinder 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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Jda
March 7, 2011.




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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Caradiodoc
Mar 7, 2011.
Thanks nice to know jda

Tiny
Jda
Mar 7, 2011.

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