Thermostat: Service and Repair
Thermostat Replacement1. Make sure you have the anti-theft codes for the radio and navigation system, then write, down the audio presets. Make sure the ignition switch is OFF.
2. Disconnect the negative cable from the battery first, then disconnect the positive cable.
3. Remove the battery.
4. Drain the engine coolant.
5. Remove the thermostat cover, then remove the thermostat.
6. Install the thermostat with a new rubber seal.
7. Install the battery.
8. Refill the radiator with engine coolant, then bleed air from the cooling system.
9. Clean up any spilled engine coolant.
10. Enter the anti-theft codes for the radio and the navigation system, then enter the audio presets.
11. Set the clock.