2012 Ford F550 Cab Diesel Supplement 3rd Printing - Page 48

2012 Ford F550 Cab Manual

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Maintenance and Specifications WARNING: To reduce the risk of personal injury, make sure the engine is cool before unscrewing the coolant pressure relief cap. The cooling system(s) are under pressure; steam and hot liquid can come out forcefully when the cap is loosened slightly. WARNING: Do not add coolant further than the MAX mark. Note: Do not use stop leak pellets or cooling system sealants/additives as they can cause damage to the engine cooling and/or heating systems. This damage would not be covered under your vehicle's warranty. Note: During normal vehicle operation, the engine coolant may change color from orange to pink or light red. If the engine coolant is clear and uncontaminated, this color change does not indicate the engine coolant has degraded nor does it require the engine coolant to be drained, the system to be flushed, or the engine coolant to be replaced. • DO NOT MIX different colors or types of coolant in your vehicle. Only use prediluted engine coolant that meets Ford specifications. Mixing of engine coolants may harm your engine's cooling system. The use of an improper coolant may harm engine and cooling system components and may void the warranty. • In case of emergency, a large amount of water without engine coolant may be added in order to reach a vehicle service location. In this instance, the cooling system must be drained, chemically cleaned, and refilled with engine coolant as soon as possible per the instructions in the Workshop Manual. Water alone (without engine coolant) can cause engine damage from corrosion, overheating or freezing. DO NOT use this method for the secondary cooling system. The secondary cooling system operates close to ambient temperature, and is susceptible to freezing in any subfreezing environment, in the absence of coolant. • Do not use alcohol, methanol or brine or any engine coolants mixed with alcohol or methanol antifreeze (coolant). Alcohol and other liquids can cause engine damage from overheating or freezing. • Do not add extra inhibitors or unapproved additives to the coolant. These can be harmful and compromise the corrosion protection of the engine coolant. 48 2012 Diesel (67l) Supplement, 3rd Printing USA (fus)

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WARNING:
To reduce the risk of personal injury, make sure the
engine is cool before unscrewing the coolant pressure relief cap.
The cooling system(s) are under pressure; steam and hot liquid can
come out forcefully when the cap is loosened slightly.
WARNING:
Do not add coolant further than the MAX mark.
Note:
Do not use stop leak pellets or cooling system sealants/additives
as they can cause damage to the engine cooling and/or heating systems.
This damage would not be covered under your vehicle’s warranty.
Note:
During normal vehicle operation, the engine coolant may change
color from orange to pink or light red. If the engine coolant is clear and
uncontaminated, this color change does not indicate the engine coolant
has degraded nor does it require the engine coolant to be drained, the
system to be flushed, or the engine coolant to be replaced.
•
DO NOT MIX different colors or types of coolant in your vehicle. Only
use prediluted engine coolant that meets Ford specifications. Mixing
of engine coolants may harm your engine’s cooling system. The use of
an improper coolant may harm engine and cooling system components
and may void the warranty.
•
In case of emergency, a large amount of water without engine coolant
may be added in order to reach a vehicle service location. In this
instance, the cooling system must be drained, chemically cleaned, and
refilled with engine coolant as soon as possible per the instructions in
the Workshop Manual. Water alone (without engine coolant) can cause
engine damage from corrosion, overheating or freezing.
DO NOT
use
this method for the secondary cooling system. The secondary cooling
system operates close to ambient temperature, and is susceptible to
freezing in any subfreezing environment, in the absence of coolant.
•
Do not use alcohol, methanol or brine or any engine coolants mixed
with alcohol or methanol antifreeze (coolant). Alcohol and other
liquids can cause engine damage from overheating or freezing.
•
Do not add extra inhibitors or unapproved additives to the coolant.
These can be harmful and compromise the corrosion protection of the
engine coolant.
Maintenance and Specifications
48
2012 Diesel
(67l)
Supplement, 3rd Printing
USA
(fus)