Knock Sensor: Service and Repair

Removal Procedure
1. Disconnect the negative battery cable.
2. Drain the cooling system. Refer to Drafting and Filling the Cooling System in Engine Cooling.
3. Remove the engine cover.




4. Remove the common chamber assembly. Refer to Common Chamber in Engine Mechanical.




5. Disconnect the electrical connector from the knock sensor.
6. Unscrew the knock sensor from the engine block.

Installation Procedure

NOTE: Do not apply thread sealant to the sensor threads. The sensor is coated at the factory and applying additional sealant will affect the sensor's ability to detect detonation.




1. Screw the knock sensor into the engine block.

Tighten: Tighten the knock sensor to 20 N.m (177 lb in.).

2. Connect the electrical connector to the knock sensor.




3. Install the common chamber assembly. Refer to Common Chamber in Engine Mechanical.
4. Install the engine cover.
5. Fill the cooling system.
Refer to Draining and Filling the Cooling System in Engine Cooling.
6. Connect the negative battery cable.