Sierra 3500 Denali 4WD V8-6.0L (2011)
Wheel Speed Sensor: Service and Repair
Front Wheel Speed Sensor Replacement
Greater than/Equal to 3900 kg (8600 lb) GVW
Front Wheel Speed Sensor Replacement
Removal Procedure
Warning: Refer to Brake Dust Warning (See: Service Precautions/Technician Safety Information/Brake Dust Warning).
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (See: Maintenance/Wheels and Tires/Service and Repair
).
3. Remove the brake rotor. Refer to Front Brake Rotor Replacement (JD9, JF3, JF7, JG4) (See: Disc Brake System/Brake Rotor/Disc/Service and
Repair/Removal and Replacement/Front Brake Rotor Replacement (JD9, JF3, JF7, JG4))Front Brake Rotor Replacement (J90, J96) (See: Disc
Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Front Brake Rotor Replacement (J90, J96))Front Brake Rotor
Replacement (J95) (See: Disc Brake System/Brake Rotor/Disc/Service and Repair/Removal and Replacement/Front Brake Rotor Replacement
(J95)).
4. Clean the area surrounding the wheel speed sensor of any accumulated dirt and debris.
5. Disconnect the wheel speed sensor electrical connector (1) and release the retainer from the shock absorber tower.
6. Release the wheel speed sensor harness retainers (2) and (3) from the steering knuckle.
