Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig 1: View Of #1 Knock Sensor & Engine Oil Pan Rail Engine Wiring Harness Connectors

Courtesy of GENERAL MOTORS CORP.

Disconnect the engine wiring harness electrical connector from the KS (2).
Remove the KS retaining bolt.
Remove the KS (2) from the engine block.