G6 V6-3.5L (2009)
Engine Block Heater: Service and Repair
Coolant Heater Replacement
Coolant Heater Replacement (LZ4 and LZ9) (3.5L and 3.9L)
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) (See: Cooling System/Service and Repair
)Cooling System Draining and Filling (GE 47716 Fill) (See: Cooling System/Service and Repair)Cooling System Draining and Filling (LE5
Static Fill) (See: Cooling System/Service and Repair).
2. Disconnect the engine coolant heater cord from the engine coolant heater.
3. Remove the engine coolant heater.
4. Clean the engine coolant heater opening.
Installation Procedure
