LaCrosse V6-3.8L (2009)
Knock Sensor: Service and Repair
Knock Sensor 1 Replacement
Knock Sensor 1 Replacement
Removal Procedure
Warning
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. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Drain the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) (See: Engine, Cooling and Exhaust/Cooling
System/Service and Repair)Cooling System Draining and Filling (LS4 Static Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service
and Repair)Cooling System Draining and Filling (L26 GE 47716 Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair
)Cooling System Draining and Filling (LS4 GE 47716 Fill) (See: Engine, Cooling and Exhaust/Cooling System/Service and Repair).
3. Disconnect the knock sensor electrical connector (2).
4. Remove the knock sensor (1).
Installation Procedure
