Knock Sensor 1 Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

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.