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.

Important: The water pump inlet and thermostat MUST be replaced as an assembly. The thermostat is not serviceable separately.

Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
Reposition the outlet hose clamp at the water pump inlet.
Remove the outlet hose from the water pump inlet.

Fig 1: Removing Outlet Hose From Water Pump Inlet
Courtesy of GENERAL MOTORS CORP.
Remove the water pump inlet bolts.
Remove the water pump inlet.

Fig 2: Water Pump Inlet
Courtesy of GENERAL MOTORS CORP.
The O-ring seal is integral to the thermostat housing.
Remove the thermostat housing.

Fig 3: Thermostat Housing
Courtesy of GENERAL MOTORS CORP.