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Home >> Pontiac >> 2005 >> Vibe FWD L4-1.8L VIN 8 >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Knock Sensor >> Service and Repair
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Knock Sensor: Service and Repair



KNOCK SENSOR (KS) REPLACEMENT

REMOVAL PROCEDURE




- Remove the starter motor.
- Disconnect the knock sensor (KS) electrical connector.
- Remove the nut (1) securing the KS (2) to the engine block.
- Remove the KS (2) from the engine block.

INSTALLATION PROCEDURE




- Install the KS (2) onto the threaded stud in the engine block.
- Install the KS nut (1) to the threaded stud.




- 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.

IMPORTANT: In order to prevent water accumulation in the KS electrical connector cavity, install the KS with the connector cavity pointing down.

- Tighten the KS nut while maintaining the correct sensor alignment.

NOTE: Refer to Component Fastener Tightening Notice in Service Precautions.

Tighten the nut to 20 N.m (16 lb ft).

- Connect the KS electrical connector.
- Install the the starter motor.
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