Firebird V8-5.7L VIN G (2001)
Thermostat: Service and Repair
Thermostat Replacement (5.7 L Engine)
Removal Procedure
Important: The thermostat and thermostat housing MUST be replaced as an assembly. The thermostat is not serviceable separately.
1. Open the radiator drain cock. Partially drain the radiator.
Notice: Refer to Fastener Notice in Service Precautions.
2. Close the drain cock.
Tighten the drain cock to 2 Nm (18 inch lbs.).
3. Reposition the radiator outlet hose clamp at the water pump.
4. Remove the radiator outlet hose from the water pump inlet.
5. Remove the water pump inlet bolts.
6. Remove the water pump inlet.
7. The O-ring seal is integral to the thermostat housing.