gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Manifold Pressure/Vacuum Sensor > < Diagram Information and Instructions|Page 3122
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Knock Sensor: Service and Repair

REMOVAL PROCEDURE

The knock sensor is located on the top rear of the engine.

1. Disconnect the negative battery cable.
2. Remove the wiring harness connector from knock sensor.
3. Remove the knock sensor from the rear of the engine.

INSTALLATION PROCEDURE

1. Install the knock sensor. Tighten to 19 Nm (14 lb. ft.).
2. Connect the negative battery cable.

Manifold Pressure/Vacuum Sensor > < Diagram Information and Instructions|Page 3122