Removal Procedure

Fig 1: Identifying Wiring Harness Retaining Clip

Courtesy of GENERAL MOTORS CORP.

WARNING: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

WARNING: Refer to Safety Glasses Warning .

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Disconnect the wiring harness retaining clip (1).

Fig 2: Identifying Knock Sensor (KS) Electrical Connector & Retaining Bolt

Courtesy of GENERAL MOTORS CORP.

Remove the knock sensor (KS) electrical (1) connector from the KS (2).
Remove the KS (3) to engine block retaining bolt (2).