Ford F-150 2023 Owner's Manual page 682

Every oil change interval
Off-Road Driving
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance, as indicated.
If you operate your vehicle occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician. Examples of
frequent conditions that would qualify are:
Inspect frequently, service
as required
Every 5,000 mi (8,000 km)
or six months
Every 30,000 mi
(48,000 km) or two years
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Reset your oil change reminder after each engine oil and filter change. See Resetting
the Intelligent Oil Life Monitor (page 506).
2023 F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202206, DOM
Scheduled Maintenance
Exclusive Use of E85 - Flex Fuel Vehicles Only
If ran exclusively on E85, fill the fuel tank full with regular
unleaded fuel.
Off-road Operation
Inspect the steering linkage, ball joints and the U-joints.
Lubricate grease fittings, if applicable.
Replace the engine air filter.
Every 5,000 mi (8,000 km) or six months
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Rotate the tires, inspect tires for wear and the measure
the tread depth.
Change the Front Axle Fluid.
Change the Transfer Case Fluid.
• Example 1: Continuous deep sand or
dune driving for more than 25 minutes
in a 4-wheel drive state using more
than 50% throttle at elevated ambient
temperatures (above 90°F (32°C).
• Example 2: Continuous off-road high
speed (above 55 mph (88.5 km/h) or
consistently using more than 50%
throttle) desert running operation for
more than 60 minutes in a 4-wheel
drive state at elevated ambient
temperatures (above 90°F (32°C).
• Example 3: Continuous on-road high
speed driving (90 mph (145 km/h) or
more) for more than 30 minutes in a
4-wheel drive state at elevated
ambient temperatures (above 90°F
(32°C).
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