Thermostat

Drain some anti freeze from radiator then follow top radiator hose to domed metal cover with 2 bolts. Remove bolts and remove TS underneath. Check condition of gasket/o'ring and replace if necessary. Put new TS in and replace bolts. Refill radiator till full and rest put radiator in overflow bottle. Start car and let warm up to check for leaks. After car is shut off when done, let get cold and check level of antifreeze in overflow. Add to indicated level if necessary. Your done. Have fun