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• Do not add/mix extended life coolants such as Motorcraft
Speciality Orange Engine Coolant, VC-2 and VC-3 (U.S.) or
CXC-209 (Canada), meeting Ford specification WSS-M97B44–D,
with the factory-fill coolant, Motorcraft Premium Gold Coolant
meeting Ford Specification WSS-M97B51–A. Mixing Motorcraft
Speciality Orange Engine Coolant or any equivalent extended life
engine coolant with this factory-fill coolant can result in degraded
corrosion protection.
• A large amount of water without engine coolant may be added, in case
of emergency, to reach a vehicle service location. In this instance, the
cooling system must be drained and refilled with a 50/50 mixture of
engine coolant and distilled water as soon as possible. Water alone
(without engine coolant) can cause engine damage from corrosion,
overheating or freezing.
• 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 additives to the coolant. These
can be harmful and compromise the corrosion protection of the engine
coolant.
• Do not mix with recycled coolant unless from a Ford-approved
recycling process (see Use of Recycled Engine Coolant section).
Coolant condition inspection
Engine cooling systems should be checked twice a year to ensure proper
glycol/water concentrations. a 50/50 mixture is recommended and
provides freeze protection in weather conditions as low as –34°F (-36°C)
as well as optimum corrosion protection. For vehicle operating in
extremely cold climate, a concentration of 60% ethylene glycol will
provide freeze protection in weather conditions as low as –59°F (-51°C).
Concentrations greater than 60% glycol are not recommended.
Engine coolant capacities and part numbers
For cooling system capacities, refer to Refill capacities in this chapter.
For coolant part numbers, refer to Lubricant specifications in this
chapter.
Severe climates
If you drive in extremely cold climates (less than –34°F [–36°C]):
2006 F-650/750 (f67)
Supplement
USA (fus)
Maintenance and Specifications
183
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