2011 FORD F550 engine

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FORD F550 2011  Owners Manual vehicle’s engine. Refer to Maintenance product specifications and
capacities later in this chapter for more information.
Do not use supplemental engine oil additives, cleaners or other engine
treatm

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FORD F550 2011  Owners Manual It is recommended that the negative battery cable terminal be
disconnected from the battery if you plan to store your vehicle for an
extended period of time. This will minimize the discharge of your b

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FORD F550 2011  Owners Manual 3. Run the engine until it reaches normal operating temperature.
4. Allow the engine to idle for at least one minute.
5. Turn the A/C on and allow the engine to idle for at least one minute.
6. Releas

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FORD F550 2011  Owners Manual 60%, the engine parts could become damaged or not work properly. A
50/50 mixture of coolant and water provides the following:
• Increased freeze point suppression
• Increased boiling point.
• Pr

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FORD F550 2011  Owners Manual 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.
• DO NOT MIX differen

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FORD F550 2011  Owners Manual 2. When the engine is cool, wrap a thick cloth around the coolant
pressure relief cap on the coolant reservoir (a translucent plastic bottle).
Slowly turn cap counterclockwise (left) until pressure be

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FORD F550 2011  Owners Manual If your vehicle is equipped with a diesel engine, refer to the
Maintenance product specifications and capacities section of your
diesel supplement.
Fill your engine coolant reservoir as outlined previ

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FORD F550 2011  Owners Manual How fail-safe cooling works
If the engine begins to overheat:
• The engine coolant temperature gauge will move to the red (hot)
area.
• The message center will indicate the engine is overheating.