Malibu V6-3.1L VIN J (2002)
Engine Block Heater: Service and Repair
Coolant Heater Replacement
Coolant Heater Replacement
Removal Procedure
1. Drain the cooling system.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Disconnect the engine coolant heater cord from the engine coolant heater.
4. Loosen the engine coolant heater bolt. Do not remove the engine coolant heater bolt.
5. Remove the engine coolant heater.
6. Clean the engine coolant heater opening.
Installation Procedure
1. Apply GM P/N 12346004 (Canadian P/N 10953480) or the equivalent to the following:
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The engine block heater seal
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The cleaned surface of the engine block heater hole
2. Position the engine coolant heater element at the 3 o'clock position (2).
3. Install the engine coolant heater. Final installed position between 2 o'clock (1) and 4 o'clock (3) is acceptable.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the engine coolant heater bolt.
Tighten the bolt to 2 Nm (18 inch lbs.).
5. Connect the engine coolant heater cord to the engine coolant heater.
6. Lower the vehicle.
7. Fill the cooling system.