2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 63

2011 Ford F450 Super Duty Crew Cab Manual

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Maintenance and Specifications If the engine runs hot The following could cause the engine to overheat: • Lack of coolant. • Dirty cooling system. • Plugged radiator fins, A/C condenser and/or oil cooler. • Malfunctioning fan drive. • Driving with frozen coolant. • Sticking thermostat. • Overloading or pulling heavy trailers during hot weather. • Grill or radiator air blockage. • Slipping or missing drive belt. • Plugged or very dirty air filter. If fuses burn out Burned-out or blown fuses usually indicate an electrical short-circuit, although a fuse may occasionally burn out from vibration. Insert a second fuse. If this fuse immediately burns out and you cannot locate the cause, return your vehicle to your dealer for a circuit check. WARNING: Replacement fuses and circuit breakers must always be the same rating as the original equipment shown. Never replace a fuse or circuit breaker with one of a higher rating. Higher rated fuses or circuit breakers could allow circuit overloading in the event of a circuit malfunction, resulting in severe vehicle damage or personal injury due to fire. Refer to the Owner's Guide for replacement of fuses. 63 2011 Diesel (eco) Supplement, 5th Printing USA (fus)

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If the engine runs hot
The following could cause the engine to overheat:
•
Lack of coolant.
•
Dirty cooling system.
•
Plugged radiator fins, A/C condenser and/or oil cooler.
•
Malfunctioning fan drive.
•
Driving with frozen coolant.
•
Sticking thermostat.
•
Overloading or pulling heavy trailers during hot weather.
•
Grill or radiator air blockage.
•
Slipping or missing drive belt.
•
Plugged or very dirty air filter.
If fuses burn out
Burned-out or blown fuses usually indicate an electrical short-circuit,
although a fuse may occasionally burn out from vibration. Insert a second
fuse. If this fuse immediately burns out and you cannot locate the cause,
return your vehicle to your dealer for a circuit check.
WARNING:
Replacement fuses and circuit breakers must always
be the same rating as the original equipment shown. Never
replace a fuse or circuit breaker with one of a higher rating. Higher
rated fuses or circuit breakers could allow circuit overloading in the
event of a circuit malfunction, resulting in severe vehicle damage or
personal injury due to fire.
Refer to the
Owner’s Guide
for replacement of fuses.
Maintenance and Specifications
63
2011 Diesel
(eco)
Supplement, 5th Printing
USA
(fus)