FORD 2013 F-150 v.3 - Manual (Page 428)

SPECIAL OPERATING CONDITIONS – 3.5L, 3.7L and 5.0L ENGINES
If you operate your vehicle primarily in any of the following conditions,
you need to perform additional maintenance as indicated. If you
occasionally operate your vehicle under any of these conditions, it is
not necessary to perform the additional maintenance. For specific
recommendations, see your dealership service advisor or technician.
Perform the services shown in the following tables when specified or
within 3000 miles (4800 kilometers) of the OIL CHANGE REQUIRED
message appearing in the information display.
Example #1: The OIL CHANGE REQUIRED message comes on at
28751 miles (46270 kilometers); perform the 30000 mile (48000 kilometer)
automatic transmission fluid replacement.
Example #2: The OIL CHANGE REQUIRED message has not come on,
but the odometer reads 30000 miles (48000 kilometers); perform the
engine air filter replacement. (i.e., Intelligent Oil-Life Monitor was reset
at 25000 miles [40000 kilometers].)
Towing a trailer or using a camper or car-top carrier
As required Change engine oil and filter as indicated by the
information display and perform services listed in
the Normal Scheduled Maintenance chart.
Inspect frequently,
service as required Inspect and lubricate U-joints.
See axle maintenance items under Exceptions.
Every 60000 miles
(96000 km) Change transfer case fluid (4WD vehicles).
Extensive idling or low-speed driving for long distances as in heavy
commercial use (such as delivery, taxi, patrol car or livery)
As required Change engine oil and filter as indicated by the
information display and perform services listed in
the Normal Scheduled Maintenance chart.
Inspect frequently,
service as required Replace engine air filter.
Every 60000 miles
(96000 km) Replace spark plugs.
Change transfer case fluid (4WD vehicles).
Scheduled Maintenance 427
2013 F-150 (f12)
Owners Guide gf, 3rd Printing, February 2013
USA (fus)