Montana SV6 V6-3.9L (2007)
Engine Block Heater: Service and Repair
Coolant Heater Replacement
Coolant Heater Replacement
Removal Procedure
1. Drain the engine coolant.
2. Disconnect the coolant heater cord (1) from the heater.
Important: Do not score the surface of the engine block hole when removing the coolant heater.
3. Remove the coolant heater.
Installation Procedure
