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Adding Engine Coolant
WARNING: Do not add engine coolant when the engine is hot.
Steam and scalding liquids released from a hot cooling system
can burn you badly. Also, you can be burned if you spill coolant on hot
engine parts.
WARNING: Do not put engine coolant in the windshield washer
fluid container. If sprayed on the windshield, engine coolant
could make it difficult to see through the windshield.
WARNING: To reduce the risk of personal injury, make sure the
engine is cool before unscrewing the coolant pressure relief cap.
The cooling system is 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 of
the COLD FILL RANGE.
Note: Do not use stop leak pellets or cooling system sealants or
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. As long as 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. Make
sure the correct coolant is used. 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.
• 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, chemically cleaned with
Motorcraft® Premium Cooling System Flush, and refilled with
prediluted engine coolant as soon as possible. Water alone (without
engine coolant) can cause engine damage from corrosion, overheating
or freezing.
2014 05+ Mustang (197)
Owners Guide gf, 1st Printing, November 2012
USA (fus)
Maintenance
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