gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Knock Sensor Replacement 1|Page 8642 > < Diagram Information and Instructions|Page 8639
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Knock Sensor: Service and Repair
Knock Sensor Replacement 1

KNOCK SENSOR 1 REPLACEMENT

REMOVAL PROCEDURE

1. Drain the cooling system/engine block. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO

HP2) Draining and Filling Cooling System (Vac-N-Fill).

2. Disconnect the knock sensor electrical connector (4).

3. Remove the knock sensor.

INSTALLATION PROCEDURE

NOTE:  Refer to Fastener Notice.

1. Install the knock sensor.

Tighten the sensor to 20 N.m (15 lb ft).

Knock Sensor Replacement 1|Page 8642 > < Diagram Information and Instructions|Page 8639