Knock Sensor 1 Replacement

Fig 1: Knock Sensor 1

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Lifting and Jacking the Vehicle If equipped Front Axle Propeller Shaft Replacement (NQH)Front Axle Propeller Shaft Replacement (Heavy Duty)
1	Knock Sensor Shield Fastener CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
2	Knock Sensor Shield
3	Knock Sensor Fastener Tighten 25 N.m (18 lb ft)
4	Knock Sensor Procedure Disconnect the electrical wiring harness connector from the knock sensor.