2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 49

2011 Ford F450 Super Duty Crew Cab Manual

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Maintenance and Specifications 7. Engine cooling system: Repeat Step 3 until the coolant level has stabilized (is no longer dropping after each step) AND the upper radiator hose at the radiator is warm to the touch (indicating that the engine thermostat is open and coolant is flowing through the radiator). Secondary cooling system: Repeat Step 3 until the coolant level has stabilized (is no longer dropping after each step) AND the lower passenger side of the secondary radiator is warm to the touch (indicating secondary thermostat is open and coolant is flowing through the entire system). 8. Reinstall the pressure relief cap. Shut the engine off and let it cool. 9. Check the coolant level in the reservoir before you drive your vehicle the next few times (with the engine cool). 10. If necessary, add a 50/50 mixture of coolant and distilled water to the coolant reservoir until the coolant level is within the COLD FILL RANGE as listed on the reservoir. After any coolant has been added, check the coolant concentration. See Engine and secondary cooling system coolant earlier. If the concentration is not 50/50 (protection to -34°F/-36°C), drain some coolant and adjust the concentration. It may take several drains and additions to obtain a 50/50 coolant concentration. Whenever coolant has been added, the coolant level in the coolant reservoir should be checked the next few times you drive the vehicle. If necessary, add enough 50/50 concentration of coolant and distilled water to bring the liquid level to the proper level. Coolant refill capacity To find out how much fluid your vehicle's cooling system can hold, refer to Maintenance product specifications and capacities in this chapter. Coolant additives At specific mileage intervals of 15,000 miles (24,000 km), as listed in the scheduled maintenance information chapter, the coolant additive should be checked. The optional message center, if equipped, will also display the message CHECK COOLANT ADDITIVE at this time. The purpose of checking is to verify the correct concentration (freeze point protection) and additive strength (corrosion inhibitor) levels of the coolant for maximum engine performance and protection. Three products are available for ensuring the life and health of the coolant: two test kits and a coolant inhibitor additive: • Rotunda 328-00007 (Matthew's Water CoolCheck) - Evaluates water quality (hardness, chloride, and pH) for 50/50 mixture of coolant and 49 2011 Diesel (eco) Supplement, 5th Printing USA (fus)

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7. Engine cooling system: Repeat Step 3 until the coolant level has
stabilized (is no longer dropping after each step) AND the upper radiator
hose at the radiator is warm to the touch (indicating that the engine
thermostat is open and coolant is flowing through the radiator).
Secondary cooling system: Repeat Step 3 until the coolant level has
stabilized (is no longer dropping after each step) AND the lower
passenger side of the secondary radiator is warm to the touch
(indicating secondary thermostat is open and coolant is flowing
through the entire system).
8. Reinstall the pressure relief cap. Shut the engine off and let it cool.
9. Check the coolant level in the reservoir before you drive your vehicle
the next few times (with the engine cool).
10. If necessary, add a 50/50 mixture of coolant and distilled water to the
coolant reservoir until the coolant level is within the COLD FILL RANGE
as listed on the reservoir. After any coolant has been added, check the
coolant concentration. See
Engine and secondary cooling system
coolant
earlier. If the concentration is not 50/50 (protection to
–34°F/–36°C), drain some coolant and adjust the concentration. It may
take several drains and additions to obtain a 50/50 coolant concentration.
Whenever coolant has been added, the coolant level in the coolant
reservoir should be checked the next few times you drive the vehicle. If
necessary, add enough 50/50 concentration of coolant and distilled water
to bring the liquid level to the proper level.
Coolant refill capacity
To find out how much fluid your vehicle’s cooling system can hold, refer
to
Maintenance product specifications and capacities
in this chapter.
Coolant additives
At specific mileage intervals of 15,000 miles (24,000 km), as listed in the
scheduled maintenance information
chapter, the coolant additive
should be checked. The optional message center, if equipped, will also
display the message
CHECK COOLANT ADDITIVE
at this time. The
purpose of checking is to verify the correct concentration (freeze point
protection) and additive strength (corrosion inhibitor) levels of the
coolant for maximum engine performance and protection. Three
products are available for ensuring the life and health of the coolant: two
test kits and a coolant inhibitor additive:
•
Rotunda 328-00007 (Matthew’s Water CoolCheck) – Evaluates water
quality (hardness, chloride, and pH) for 50/50 mixture of coolant and
Maintenance and Specifications
49
2011 Diesel
(eco)
Supplement, 5th Printing
USA
(fus)