Knock Sensor 2 Replacement

Courtesy of GENERAL MOTORS COMPANY

NOTE: Callouts items in the following chart represent components shown in graphic above.

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Lifting and Jacking the Vehicle Exhaust Manifold Replacement - Left Side (LT4)
1	Knock Sensor Shield Bolt CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2	Knock Sensor Shield
3	Knock Sensor Bolt Tighten 25 N.m (18 lb ft)
4	Knock Sensor Procedure Disconnect the electrical wiring harness connector from the knock sensor.