Removal Procedure
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
- Remove the tire and wheel, if necessary. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
- Disconnect the engine coolant heater cord from the engine coolant heater.
Courtesy of GENERAL MOTORS CORP.
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.