2021 FORD F650/750 display

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Page 222 of 390

FORD F650/750 2021  Owners Manual Adding Engine Oil
WARNING: Do not remove the filler
cap when the engine is running.
Do not use supplemental engine oil
additives because they are unnecessary
and could lead to engine damage that may
n

Page 223 of 390

FORD F650/750 2021  Owners Manual 5. For diesel engines, you need to reset
the Intelligent Oil Life Monitor™.  See
Information Displays (page 70).
Engine lubrication for severe
service operation
The following conditions define sever

Page 224 of 390

FORD F650/750 2021  Owners Manual From the main menu scroll to:
Action and Description
Message
Press the down arrow
button, then from this menu
scroll to the following
message.
Truck Info
Press the OK button.
Mainten-
ance
Monitor
Pre

Page 232 of 390

FORD F650/750 2021  Owners Manual Coolant Change
Change the coolant at specific mileage
intervals as listed in the scheduled
maintenance information. The information
display may display a message to change
coolant at this time. Add pr

Page 233 of 390

FORD F650/750 2021  Owners Manual high-speed operation, and may
completely shut down without warning,
potentially losing engine power, power
steering assist, and power brake assist,
which may increase the possibility of a
crash result

Page 237 of 390

FORD F650/750 2021  Owners Manual Dispose of used engine coolant in an
appropriate manner.  Follow your
community
’s regulations and standards
for recycling and disposing of automotive
fluids.
Severe Climates
If you drive in extreme

Page 238 of 390

FORD F650/750 2021  Owners Manual •
Robinair® Coolant and Battery
Refractometer 75240 –
Recommended refractometer to test
coolant concentration. (Rotunda tool
part number: ROB75240).
• Rotunda 328-R071–ELC (Antifreeze
Coolant

Page 243 of 390

FORD F650/750 2021  Owners Manual 5. Turn the air conditioning (if equipped)
on and allow the engine to idle for at
least one minute.
6. Release the parking brake. With your foot on the brake pedal and with the
air conditioning on, pu