Removal Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle .
- Disconnect the engine wiring harness electrical connector (2) from knock sensor.
- Remove the knock sensor bolt (739) and knock sensor (718).