GM Service Manual Online
For 1990-2009 cars only

Wheel Speed Sensor Ring Replacement With out Traction Control

The rear wheel speed sensor reluctor ring is located in the differential case. If the reluctor ring is determined to be damaged and must be replaced refer to Differential case in Rear Axle.

Wheel Speed Sensor Ring Replacement With Traction Control

The rear wheel speed sensor reluctor rings are an integral part of the rear axle shafts. If it has been determined they must be replaced refer to Axle Shaft in Rear Axle.