Do you have to replace the wheel bearing hub and the wheel speed sensor together?

Tiny
MJ56
  • MEMBER
  • 2011 CHEVROLET AVALANCHE
  • 5.2L
  • 4WD
  • AUTOMATIC
  • 115,500 MILES
Or can you just replace the wheel speed sensor?
Sunday, November 20th, 2022 AT 5:44 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,443 POSTS
If the hub is in good shape and not making noise you can replace just the speed sensor, however if you live in an area where they salt the roads you may have a very difficult time removing the sensor without breaking it. Also, GM had an issue for a while with the harness between the ABS sensor and the brake control module failing which mimics a bad sensor.
These might help:
https://www.2carpros.com/articles/abs-wheel-speed-sensor-test
https://www.2carpros.com/articles/how-to-replace-an-abs-wheel-speed-sensor
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Sunday, November 20th, 2022 AT 6:38 AM

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