GTO V8-6.0L VIN U (2005)
Thermostat: Service and Repair
Thermostat Replacement
Removal Procedure
Important: The water pump inlet and thermostat MUST be replaced as an assembly. The thermostat is not serviceable separately.
1. Drain the cooling system.
2. Reposition the outlet hose clamp at the water pump inlet.
3. Remove the outlet hose from the water pump inlet.
4. Remove the water pump inlet bolts.
5. Remove the water pump inlet.
6. Important: The O-ring seal is integral to the thermostat housing.
Remove the thermostat housing.
Installation Procedure
1. Important: Ensure that the new thermostat housing has an O-ring seal and is in the groove correctly.
Install a new thermostat housing.
