2020 FORD F-550 air condition

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Page 351 of 631

FORD F-550 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 352 of 631

FORD F-550 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 353 of 631

FORD F-550 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 358 of 631

FORD F-550 2020  Owners Manual If you drive in extremely hot climates:
•
It may be necessary to decrease the
coolant concentration to 40%.
• A coolant concentration of 40%
provides improved overheat
protection.  Coolant concent

Page 359 of 631

FORD F-550 2020  Owners Manual 2. If you are a member of a roadside
assistance program, we recommend
that you contact your roadside
assistance service provider.
3. If this is not possible, wait a short period for the engine to cool

Page 363 of 631

FORD F-550 2020  Owners Manual Severe Climates
If you drive in extremely cold climates:
•
It may be necessary to increase the
coolant concentration above 50%.
• A coolant concentration of 60%
provides improved freeze point
prot

Page 366 of 631

FORD F-550 2020  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 extremel

Page 367 of 631

FORD F-550 2020  Owners Manual If the engine reaches a preset
over-temperature condition, the engine
switches to alternating cylinder operation.
Each disabled cylinder acts as an air pump
and cools the engine.
When this occurs, you