Thermostat: Service and Repair
Thermostat Replacement1. Make sure you have the anti-theft codes for the audio system and navigation system. Make sure the ignition switch is OFF.
2. Disconnect the negative cable from the battery, then the positive cable. Remove the battery.
3. Drain the engine coolant.
4. Remove the ground cable and thermostat cover, then remove the thermostat.
5. Install the thermostat with a new rubber seal and with the pin on the top side.
6. Install the battery. Clean the battery posts and cable terminals then assemble them and apply grease to prevent corrosion.
7. Refill the radiator with engine coolant, then bleed air from the cooling system.
8. Clean up any spilled engine coolant.
9. Do the steering column position memorization procedure
10. Enter the anti-theft codes for the audio system and the navigation system.