DeVille V8-4.6L VIN Y (1998)
Thermostat: Service and Repair
Thermostat Replacement
REMOVAL PROCEDURE
1. Drain the coolant.
2. Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
3. Remove the air intake duct.
4. Disconnect the radiator hose.
5. Remove the thermostat housing.
6. Remove the thermostat.
7. Clean all sealing surfaces.