User Manual - Page 599

For 2019 FORD F-450.

Loading ...
Loading ...
Loading ...
Off-road Operation
Change the rear axle fluid (Dana rear axles only - some F-
350s; all F-450s and F-550s).
Every 50,000 mi
(80,000 km)
Change the transfer case fluid. (Four-wheel drive vehicles)
Inspect the front axle fluid. (Four-wheel drive vehicles)
1
Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted.
2
Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
Using Biodiesel, up to and Including 20% Biodiesel (B20)
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km), six months or
300 engine hours
Using Fuel Other Than Ultra-low Sulfur Diesel Fuel - Vehicles Operated Where Ultra-low
Sulfur Diesel Fuel is not Required or Available
Change engine oil and filter.Every 2,500 mi (4,000 km)
or three months (if using
high sulfur fuel with more
than 500 ppm sulfur)
Change engine oil and filter.Every 5,000 mi (8,000 km)
or six months (if using high
sulfur fuel with fewer than
500 ppm sulfur)
Exceptions
Axle and Transfer Case Maintenance
Axle(s) and transfer case (4X4 only) fluid
changes or level checks are not required
unless a leak is suspected or the assembly
has been submerged in water. During long
periods of trailer towing with outside
temperatures above 70°F (21°C) or at
wide-open throttle for long periods above
45 mph (72 km/h), change the rear axle
fluid every 30,000 mi (48,000 km) if the
rear axle is filled with non-synthetic fluid.
This interval can be waived and the
150,000 mi (240,000 km) service interval
can continue if the rear axle is filled with
75W140 synthetic gear fluid meeting Ford
596
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201804, Fourth-Printing
Scheduled Maintenance
Loading ...
Loading ...
Loading ...