2021 FORD F-150 air condition

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Page 670 of 796

FORD F-150 2021  Owners Manual Check Every Six Months
The battery connections. Clean if necessary.
The body and door drain holes for obstructions. Clean if necessary. The cooling system fluid level and the coolant system strength.

Page 674 of 796

FORD F-150 2021  Owners Manual Other Maintenance Items
1
Replace the accessory drive belt(s).
Change the engine coolant. 5
At 200,000 mi
(322,000 km)
1  Perform these maintenance items within 
3,000 mi (4,800 km) of the last engine

Page 677 of 796

FORD F-150 2021  Owners Manual Operating in Dusty or Sandy Conditions - Such as Unpaved or Dusty Roads
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Every 5,000 mi (8,000 km)
Rotate the tire

Page 679 of 796

FORD F-150 2021  Owners Manual Engine Air Filter Replacement
The life of the engine air filter is dependent
on exposure to dusty and dirty conditions.
Vehicles operated in these conditions
require frequent inspection and
replacemen

Page 680 of 796

FORD F-150 2021  Owners Manual Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use,
such as Delivery, Taxi, Patrol Car or Livery
Change the engine oil and filter as indicated by the
information disp

Page 682 of 796

FORD F-150 2021  Owners Manual an "H" for hours). The idle meter only
accumulates time while the vehicle is in
park (P) or neutral (N). Displayed time is
cumulative for the vehicle and cannot be
reset to zero. Police vehicl

Page 683 of 796

FORD F-150 2021  Owners Manual Towing a Trailer or Using a Car-top Carrier
Change the engine oil and filter as indicated by the
information display and perform services listed in the
normal scheduled maintenance chart.
As required

Page 684 of 796

FORD F-150 2021  Owners Manual Exclusive Use of E85 - Flex Fuel Vehicles Only
If ran exclusively on E85, fill the fuel tank full with regular
unleaded fuel.
Every oil change interval
Off-Road Driving
If you operate your vehicle pri