ABS problems?

2005 CHEVROLET TRAILBLAZER

173,000 MILES • 4.2L • 6 CYL • 4WD • AUTOMATIC

ANDYJ42

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ABS started having issues exactly a week after I replaced the camshaft position sensor. The ABS dash light is on and when braking and coming to stop the ABS engages and acts like it’s sliding on ice. Are these things related? If it is or isn’t related, what might be the problem and what do I need to do to fix it?

Dec 16, 2022 at 11:59 AM

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These are not related; it sounds like you have a front bearing hub which houses the ABS traction control sensor that is going out which is common. You can do an ABS code scan to see which one is failing. Here is a video to show you how and I have included how to change out the bearing hub in case you need it. It may be just the sensor. I have included the instructions for this repair as well.

https://youtu.be/rTtAnsOlZU4

This video shows the job being done on a similar vehicle:

https://youtu.be/ZgiPRG6jffc

Check out the images (below). Please let us know what you find.

Images (Click to enlarge)

Dec 16, 2022 at 12:41 PM