Yukon XL 4WD V8-5.3L (2011)
Knock Sensor: Service and Repair
Knock Sensor 2 Replacement
Knock Sensor 2 Replacement
Removal Procedure
1. Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle See: Maintenance/Vehicle Lifting/Service and Repair.
2. Disconnect the engine wiring harness electrical connector (2) from knock sensor.
3. Remove the knock sensor bolt (739) and knock sensor (718).
Installation Procedure