2001 Oldsmobile Alero Repair Question
Asked on March 7, 2011
Wheel speed sensors
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
Asked by jdaAnswer
Replied on 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.