FORD 2013 F-550 v.3 - Manual (Page 414)

SPECIAL OPERATING CONDITIONS – 6.2L AND 6.8L ENGINES
ONLY
Note: If your vehicle is equipped with the 6.7L diesel engine, see the
diesel supplement for special operating condition maintenance.
If you operate your vehicle primarily in one of the more demanding
conditions listed below, you need to have some items maintained more
frequently. If you only occasionally operate your vehicle under these
conditions, it is not necessary to perform the additional maintenance.
For specific recommendations, see your dealership service advisor or
technician.
Towing a trailer or using a camper or car-top carrier
Inspect frequently,
service as required Inspect and lubricate U-joints.
See axle maintenance items under Exceptions.
Every 5000 miles
(8000 km) Inspect the wheels and related components for
abnormal noise, wear, looseness or drag.
Rotate tires * , inspect tires for wear and measure
tread depth.
Every 5000 miles
(8000 km) or
six months Change engine oil and filter.
Inspect and lubricate U-joints.
Every 30000 miles
(48000 km) Replace front wheel bearing grease and grease
seals if non-sealed bearings are used.
* Vehicles equipped with dual rear wheels should rotate the front wheels
when specified; rear wheels only if unusual wear is noted.
Scheduled Maintenance 413
2013 F-250/350/450/550 (f23)
Owners Guide gf, 3rd Printing, December 2012
USA (fus)