Lucerne V6-3.8L (2007)
Knock Sensor: Service and Repair
Knock Sensor 1 Replacement
Knock Sensor 1 Replacement
Removal Procedure
Caution: Hot engine coolant may cause severe burns. Although the cooling system has been drained, coolant still remains in the engine water
jacket. This coolant will drain with the removal of the knock sensor.
1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill).
2. Disconnect the engine harness electrical connector (1) from the knock sensor.
3. Remove the knock sensor.