Malibu V6-3.5L VIN 8 (2004)
Engine Block Heater: Service and Repair
Coolant Heater
Coolant Heater Replacement (LX9)
Removal Procedure
1. Drain the cooling system.
2. Raise and suitably 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. Coat the following components with the lubricant GM P/N 12345996 (Canadian P/N 10953501) or the equivalent:
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The engine block heater seal
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The cleaned surface of the engine block heater hole
2. Install the engine coolant heater. Position the engine coolant heater element at the 3 o'clock position (2), as shown.
Final installed position between 2 o'clock (1) and 4 o'clock (3) is acceptable.
Notice: Refer to Fastener Notice in Service Precautions.
3. Tighten the engine coolant heater bolt.
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Tighten the bolt to 2 Nm (18 inch lbs.).
4. The engine coolant heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Secure the engine coolant heater cord with tie
straps as required.
5. Connect the engine coolant heater cord to the engine coolant heater.
6. Lower the vehicle.
7. Fill the cooling system.
8. Inspect for leaks.
