FORD F-150 2021 Owners Manual

FORD F-150 2021 Owners Manual F-150 2021 FORD FORD https://www.carmanualsonline.info/img/11/40608/w960_40608-0.png FORD F-150 2021 Owners Manual
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Page 511 of 796

FORD F-150 2021  Owners Manual UNDER HOOD OVERVIEW - 3.5L ECOBOOST™
Engine compartment fuse box. See Fuses (page 493).
A.
Battery.
 See Changing the 12V Battery (page 519).
B.
Engine oil filler cap.
 See Checking the Engine Oil L

Page 512 of 796

FORD F-150 2021  Owners Manual UNDER HOOD OVERVIEW - 3.5L, HYBRID ELECTRIC VEHICLE
(HEV)
Engine compartment fuse box. See Fuses (page 493).
A.
Battery.
 See Changing the 12V Battery (page 519).
B.
Engine oil dipstick.
 See Engine O

Page 513 of 796

FORD F-150 2021  Owners Manual UNDER HOOD OVERVIEW - 5.0L
Engine compartment fuse box. See Under Hood Fuse Box (page 493).
A.
Engine oil filler cap.
 See Engine Oil Dipstick Overview (page 510).
B.
Engine oil dipstick.
 See Engine

Page 514 of 796

FORD F-150 2021  Owners Manual ENGINE OIL
ENGINE OIL DIPSTICK OVERVIEW
- DIESEL
Minimum.
A
Nominal.
B
Maximum.
C
ENGINE OIL DIPSTICK OVERVIEW
- GASOLINE, HYBRID ELECTRIC
VEHICLE (HEV) Minimum.
A
Nominal.
B
Maximum.
C CHECKING THE E

Page 515 of 796

FORD F-150 2021  Owners Manual 3. Add engine oil that meets our
specifications.  See Capacities and
Specifications (page 574).
4. Reinstall the engine oil filler cap.  Turn it clockwise until you feel a strong
resistance.
Note:  Do

Page 516 of 796

FORD F-150 2021  Owners Manual Adding Coolant
WARNING: Keep your hands and
clothing clear of the cooling fan. WARNING: 
Do not remove the
coolant reservoir cap when the engine is
on or the cooling system is hot. Wait 10
minutes for

Page 517 of 796

FORD F-150 2021  Owners Manual Water alone, without engine coolant, can
cause engine damage from corrosion,
overheating or freezing.
Do not use the following as a coolant
substitute, as they can cause engine
damage from overheating

Page 518 of 796

FORD F-150 2021  Owners Manual When Fail-Safe Mode Is Activated
WARNING: Fail-safe mode is for
use during emergencies only. Operate
your vehicle in fail-safe mode only as
long as necessary to bring your vehicle
to rest in a safe lo

Page 519 of 796

FORD F-150 2021  Owners Manual The air conditioning may automatically
turn on and off during severe operating
conditions to protect the engine from
overheating. When the coolant
temperature decreases to the normal
operating tempera

Page 520 of 796

FORD F-150 2021  Owners Manual After operating your vehicle during heavy
snowfall or extreme rain, do the following:
•
Snow: At the earliest opportunity, open
the hood and clear any snow and ice
from the air filter housing inlet
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