GMC Workshop Service and Repair Manuals

Knock Sensor: Service and Repair

KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE

1. Remove the intake manifold.
2. Gently pry up the rubber covers.
3. Disconnect the knock sensor electrical connectors.

4. Remove the knock sensors.

INSTALLATION PROCEDURE

NOTE:  Refer to Fastener Notice in Service Precautions.