Knock Sensor: Service and Repair
KNOCK SENSOR (KS) REPLACEMENTREMOVAL PROCEDURE
1. Remove the intake manifold (2).
2. Disconnect the knock sensor (KS) electrical connector.
3. Remove the nut (1) securing the KS (2) to the engine block.
4. Remove the KS (2) from the engine block.
INSTALLATION PROCEDURE
1. Install the KS (2) onto the threaded stud in the engine block.
2. Install the KS nut (1) to the threaded stud
IMPORTANT: In order to prevent water accumulation in the KS electrical connector cavity, install the KS with the connector cavity pointing down.
3. Align the KS (1) on the engine block as illustrated. The KS electrical connector cavity must point down, in a 15-30 degree arc from perpendicular to the earth.
NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.
4. Tighten the KS nut while maintaining the correct sensor alignment.
Tighten
Tighten the nut to 20 N.m (16 lb ft).
5. Connect the KS electrical connector.
6. Install the intake manifold.