Changed Rear Bearings now speed sensor codes

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jpbohney

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2003 Yukon Denali XL AWD 6.0

I pulled the moth eaten rear axles to cure the horrible rear grinding that reverberated through the truck. Pulled and replaced bearings and axles with appropriate Dorman axles/bearing kit. Had no success pulling the previously replaced axle saver bearing with slide hammer so used further encouragement with a 10 foot 1/2 inch water pipe and hammered against the jaws of the slide hammer from the opposite side. 2 hours of exhausting slide hammer with no movement was replaced by success after just 30 seconds with water pipe and big hammer.

Now the ride is smooth and quite. Unfortunately, I am now getting speed sensor codes on both rear wheels. I also have a speed sensor code at the left front wheel after installing a Timken hub with speed sensor.

I would appreciate ideas from this thoughtful community.
 

fiatdale

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Check to make sure they weren't damaged during replacement. Did you mess up the reluctor rings in the process? The rings are easy to screw up during removal of the bearings, especially if you had that much trouble getting them out. The sensors are also pretty frail.

Mods - can you move this to the correct section?
 

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