2020 FORD F450 SUPER DUTY Owners Manual

Page 353 of 633

FORD F450 SUPER DUTY 2020  Owners Manual Note:
Soak up any spillage with an
absorbent cloth immediately.
CHANGING THE ENGINE OIL
AND OIL FILTER WARNING: Do not handle a hot oil
filter with bare hands. WARNING: Continuous contact
with used mo

Page 354 of 633

FORD F450 SUPER DUTY 2020  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 355 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 5.
Remove the air filter element from the
air filter housing.
6. Install in the reverse order.
CHANGING THE ENGINE AIR
FILTER - 6.7L DIESEL WARNING: To reduce the risk of
vehicle damage and personal b

Page 356 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 4. Remove the auxiliary foam filter from
the air filter housing.
5. To install, reverse the removal procedure.  The housing cover can be
oscillated slightly left to right to assist
with installation a

Page 357 of 633

FORD F450 SUPER DUTY 2020  Owners Manual CHANGING THE ENGINE AIR
FILTER - 7.3L
WARNING: To reduce the risk of
vehicle damage and personal burn
injuries, do not start your engine with the
air cleaner removed and do not remove
it while the eng

Page 358 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 5. Remove the clips that secure the air
filter housing cover.  Push the air filter
cover toward the center of the vehicle
and up slightly to release it.
6. Remove the air filter element from the
air f

Page 359 of 633

FORD F450 SUPER DUTY 2020  Owners Manual You should drain water from the
module assembly whenever the
warning light illuminates or a
message appears in the information
display advising you to drain the water
separator. This occurs when appro

Page 360 of 633

FORD F450 SUPER DUTY 2020  Owners Manual 3. Use the table to find the location of
your fuel filter. 4. Drain the diesel fuel conditioner
module.  Turn the drain plug
counterclockwise until it stops.  Do not
use any tools to loosen the drain