Thermostat Replacement

Thermostat Replacement

1. Drain the engine coolant Service and Repair.

2. Clean any dirt off the quick connector (A), the thermostat cover, and the lower radiator hose.





3. Pull out the lock (B) by hand, then wiggle the quick connector loose, and remove it from the thermostat cover. Do not use any tools to remove the quick connector.

4. Remove the thermostat (A).





5. Install a new thermostat with a new O-ring (B).

6. Check the quick connector (A) and the set ring (B) for cracks or damage. If the quick connector and/or the set ring are cracked or damaged, replace the quick connector.





7. Make sure the set ring is in place inside the quick connector. If the set ring is off the quick connector, replace the quick connector.

8. Replace a new O-ring (C) in the quick connector.

9. Check the lock (D). If the lock is damaged or deformed, replace it. When installing the new lock to the quick connector, push it straight down along the groove.

10. Clean the connecting surface of the thermostat cover (E), then apply clean engine coolant around the connecting surface.

11. Push the lock (A) down, then push the quick connector (B) onto the thermostat cover until you hear it click.





12. Refill the radiator with engine coolant, and bleed the air from the cooling system Service and Repair.

13. Clean up any spilled engine coolant.