Removal Procedure
- Drain the cooling system. Refer to
Cooling System Draining and Filling
.
- Remove the tire and wheel, if necessary. Refer to
Tire and Wheel Removal and Installation
.
- Disconnect the engine coolant heater cord from the engine coolant heater.
Important: Take care not to damage the surface of the opening in the engine block.
- Remove the engine coolant heater.
- Clean the opening in the engine block, remove any burrs, sealing compound, or paint.
Installation Procedure
Important: The engine coolant heater sealing washer may be reused if not bent, scored or otherwise damaged.
- Apply a 3.175 mm (0.125 in) bead of sealant GM P/N 12346004 (Canadian P/N 10953480) or
equivalent to the engine coolant heater sealing washer.
- Insert the engine coolant heater.
Notice: Refer to Fastener Notice in the Preface section.
- Tighten the engine coolant heater.
Tighten
Tighten the engine coolant heater to 40 N·m (30 lb ft).
- Install the engine coolant heater cord to the engine coolant heater.
- Install the tire and wheel, if necessary. Refer to
Tire and Wheel Removal and Installation
.
- Fill the cooling system. Refer to
Cooling System Draining and Filling
.