2015 FORD F450 Owners Manual

Page 241 of 485

FORD F450 2015  Owners Manual Severe Climates
If you drive in extremely cold climates:
•
It may be necessary to have a Ford
authorized dealer increase the coolant
concentration above 50%.
• A coolant concentration of 60% will

Page 242 of 485

FORD F450 2015  Owners Manual You have limited engine power when in the
fail-safe mode, so drive the vehicle with
caution. The vehicle will not be able to
maintain high-speed operation and the
engine will run rough. Remember that

Page 243 of 485

FORD F450 2015  Owners Manual 5. If the coolant is low, add coolant,
restart the engine and take your vehicle
to an authorized dealer. See Adding
engine coolant in this chapter for more
information. Refer to fail-safe cooling
for

Page 244 of 485

FORD F450 2015  Owners Manual Do not drive the vehicle if there is no
indication of fluid on the dipstick and the
ambient temperature is above 50°F
(10°C).
Correct Fluid Level
Type A Type B For vehicles equipped with 5-speed
tra

Page 245 of 485

FORD F450 2015  Owners Manual High fluid levels can be caused by an
overheating condition.
Adjusting Automatic Transmission
Fluid Levels
Note:
Use of a non-approved automatic
transmission fluid may cause internal
transmission comp

Page 246 of 485

FORD F450 2015  Owners Manual 3.
Add only enough fluid through the filler
opening so that the fluid level is at the
bottom of the opening.
Only use fluid that meets Ford
specifications.  See Capacities and
Specifications (page 301

Page 247 of 485

FORD F450 2015  Owners Manual CHANGING THE 12V BATTERY
WARNINGS
This vehicle may be equipped with
more than one battery, removal of
cable from only one battery does not
disconnect the vehicle electrical system.
Be sure to disconne

Page 248 of 485

FORD F450 2015  Owners Manual 6. Release the parking brake. With your
foot on the brake pedal and with the
A/C on, put the vehicle in D and allow
the engine to idle for at least one
minute.
• If you do not allow the engine to
re