Montana V6-3.4L VIN E (2002)
Engine Block Heater: Service and Repair
Coolant Heater Replacement
Coolant Heater Replacement
Removal Procedure
1. Turn the ignition OFF.
2. Drain the engine cooling system.
3. Raise and support the vehicle. Refer to Vehicle Lifting.
4. Remove the right front wheel.
5. Remove the right engine splash shield.
6. Remove the engine coolant heater cord from the engine coolant heater.
7. Loosen the coolant heater bolt/screw.
8. Remove the coolant heater.
Installation Procedure
1. Apply GM P/N 9985164, or equivalent, to the coolant heater seal.