2001 Ford Mustang Owner Guide 3rd Printing - Page 162

Maintenance and care Engine coolant refill procedure-3.8L V6 engine Use the following procedure when refilling the cooling system of a vehicle equipped with a 3.8L V6 engine. Failure to follow this warning may result in damage to the engine and engine cooling system. The following procedure should be used when refilling the cooling system of a 3.8L V6 engine after it has been drained or become extremely low. 1. Remove the cap 2 from the engine coolant reservoir. 3 1 2. Open the cooling system vent plug. 3. Remove the radiator cap as previously outlined. 4. Add a 50/50 mixture of engine coolant and distilled water to the radiator until full. 5. Add a 50/50 mixture of engine coolant and distilled water to the engine coolant reservoir until the coolant level is at the "cold fill level" as listed on the reservoir. 6. Close the cooling system vent plug. 7. Reinstall the engine coolant reservoir cap. 8. Reinstall the radiator cap. 9. Start and idle the engine until the upper radiator hose is warm (this indicates the thermostat is open and coolant is flowing through the entire system). 10. Immediately shut the engine off. 11. Wrap a thick cloth around the radiator cap and cautiously remove the radiator cap. 12. Add a 50/50 mixture of engine coolant and distilled water to the radiator until full. 162