LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2002 >> Aztek V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Service and Repair
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Knock Sensor: Service and Repair

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.