Removal Procedure

WARNING: This page is about a different car, the 2010 Saturn Outlook, 2010 GMC Acadia, 2010 Chevrolet Traverse, and 2010 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Knock Sensor & crankshaft position (CKP) sensor Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

Remove the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement .
Disconnect the engine wiring harness electrical connector (1) from the bank 1 knock sensor (2).

Fig 2: View Of Right Knock Sensor & Bolt

Courtesy of GENERAL MOTORS CORP.

Loosen the knock sensor bolt and remove the knock sensor.