buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Malfunction Indicator Lamp > < Knock Sensor|Diagrams|Connector Views|Page 3430
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Knock Sensor: Service and Repair

KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE

1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the knock sensor electrical connector.
3. Remove the knock sensor from the engine block.

INSTALLATION PROCEDURE

1. Install the knock sensor.

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 sensors ability to detect detonation.

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

2. Connect the knock sensor electrical connector.
3. Lower the vehicle.

Malfunction Indicator Lamp > < Knock Sensor|Diagrams|Connector Views|Page 3430