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Home >> Chevrolet >> 2003 >> Impala V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Service and Repair
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Knock Sensor: Service and Repair

REMOVAL PROCEDURE




1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the knock sensor wiring harness electrical connector.
3. Remove the knock sensor.

INSTALLATION PROCEDURE

IMPORTANT: DO NOT apply thread sealant to the sensor threads. The sensor threads are coated at the factory. Applying additional sealant affects the sensors ability to detect detonation.




1. Install the knock sensor.

NOTE: Refer to Fastener Notice in Service Precautions.

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

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