pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Tune-up and Engine Performance Checks > < Knock Sensor|Purpose|Page 3882
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Knock Sensor: Service and Repair

KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE

1. Turn OFF the ignition.
2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
3. Disconnect the wiring harness connector from the knock sensor.
4. Remove the knock sensor from the engine block.

INSTALLATION PROCEDURE

NOTE:  Refer to Fastener Notice in Service Precautions.

IMPORTANT:  DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory and applying additional sealant
affects the sensor's ability to detect detonation.

1. Install the knock sensor into the engine block. 

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

2. Connect the knock sensor wiring harness connector to the knock sensor.
3. Lower the vehicle.

Tune-up and Engine Performance Checks > < Knock Sensor|Purpose|Page 3882