GM Service Manual Online
For 1990-2009 cars only

Rear Wheel Speed Sensor Ring Replacement Without Traction Control

The rear wheel speed sensor reluctor ring is located in the differential carrier. If the reluctor ring is damaged and needs replacement, refer to Differential Carrier Assembly Replacement in Rear Drive Axle.

Rear 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 you must replace the rings, refer to Rear Axle Shaft Replacement in Rear Drive Axle.