gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Tune-up and Engine Performance Checks > < Knock Sensor (KS) 1 Replacement
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Knock Sensor: Service and Repair
Knock Sensor (KS) 2 Replacement

REMOVAL PROCEDURE

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Remove the wiring harness connector from the knock sensor (2)
3. Remove the knock sensor (2) from the engine block (1).

INSTALLATION PROCEDURE

NOTE:  Refer to Fastener Notice in Service Precautions.

1. Install the knock sensor (2) into the engine block (1).

Tighten
Tighten the knock sensor to 19 N.m (14 lb ft).

2. Connect the harness connector to the knock sensor (2).

Tune-up and Engine Performance Checks > < Knock Sensor (KS) 1 Replacement