SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE - DIESEL
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.
Towing a Trailer or Using a Car-top Carrier
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
See the axle maintenance items under
Exceptions
.
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km) or six months,
600 engine hours
Replace the wheel bearing grease and grease seals if using
non-sealed bearings. (Two-wheel drive vehicles)
Every 30,000 mi
(48,000 km)
Flush and refill the coolant.
At 60,000 mi (96,000 km)
or 2400 engine hours
Note:
After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.
Frequent or Extended Idling (Over 10 Minutes Per Hour of Normal Driving) or Frequent
Low-speed Operation if your Vehicle is Used for Stationary Operation
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
600 engine hours
Flush and refill the coolant.
Every 60,000 mi
(96,000 km) or 2400
engine hours
Note:
After the initial coolant flush and fill at 60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter.
631
2022 Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202103, First-Printing
Scheduled Maintenance
