2011 FORD F550 recommended oil

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FORD F550 2011  Owners Manual System check and vehicle feature customization
Press the SETUP button repeatedly
to cycle the message center through
the following features:
Note: When returning to the SETUP menu and a non-English la

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FORD F550 2011  Owners Manual To prolong the life of the wiper blades, it is highly recommended to
scrape off the ice on the windshield before turning on the wipers. The
layer of ice has many sharp edges and can damage the micro e

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FORD F550 2011  Owners Manual 7. Put the dipstick back in and ensure it is fully seated.
Adding engine oil
1. Check the engine oil. For instructions, refer to Checking the engine
oil in this chapter.
2. If the engine oil level is

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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 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 Do not be concerned if your engine
sometimes knocks lightly. However,
if it knocks heavily under most
driving conditions while you are
using fuel with the recommended
octane rating, see your authorize

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FORD F550 2011  Owners Manual • You may want to turn off the speed control in hilly terrain if
unnecessary shifting between the top gears occurs. Unnecessary
shifting of this type could result in reduced fuel economy.
• Warmin

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FORD F550 2011  Owners Manual • Cover interior trim to prevent fading.
• Keep all rubber parts free from oil and solvents.
Engine
• The engine oil and filter should be changed prior to storage, as used
engine oil contain con
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