2020 FORD F-150 Owners Manual

Page 369 of 625

FORD F-150 2020  Owners Manual first. Change the air filter element when
the restriction gauge reads near the
change filter line and the gauge is yellow.
Allowing the restriction gauge to reach
maximum affects engine performance an

Page 370 of 625

FORD F-150 2020  Owners Manual WARNING: Do not put coolant in
the windshield washer reservoir. If
sprayed on the windshield, coolant could
make it difficult to see through the
windshield. WARNING: 
To reduce the risk of
personal in

Page 371 of 625

FORD F-150 2020  Owners Manual Note:
 Coolants marketed for all makes and
models may not be approved to our
specifications and may cause damage to
the cooling system.  Resulting component
damage may not be covered by the vehicle
Wa

Page 372 of 625

FORD F-150 2020  Owners Manual If you drive in extremely hot climates:
•
You can decrease the coolant
concentration to 40%.
• Coolant concentrations below 40%
decrease the freeze and corrosion
protection characteristics of the

Page 373 of 625

FORD F-150 2020  Owners Manual Remember that the engine is capable of
automatically shutting down to prevent
engine damage.  In this situation:
1. Pull off the road as soon as safely
possible and switch the engine off.
2. If you ar

Page 374 of 625

FORD F-150 2020  Owners Manual AUTOMATIC TRANSMISSION
FLUID CHECK
If required, have an authorized dealer check
and change the transmission fluid at the
correct service interval.  See Scheduled
Maintenance (page 553).
Refer to your

Page 375 of 625

FORD F-150 2020  Owners Manual BRAKE FLUID CHECK
WARNING: Do not use any fluid
other than the recommended brake fluid
as this will reduce brake efficiency. Use
of incorrect fluid could result in the loss
of vehicle control, serious

Page 376 of 625

FORD F-150 2020  Owners Manual For detailed interval information, see
Scheduled Maintenance in your Owner's
Manual or your local maintenance guide.
POWER STEERING FLUID
CHECK
Your vehicle is equipped with an electric
power stee