FORD 2013 F-550 v.3 - Manual (Page 410)

Other maintenance items
Every 30000 miles
(48000 km) Replace climate-controlled (heated and
cooled) seat filter (if equipped).
Replace engine air filter.
Every 60000 miles
(96000 km) Change automatic transmission fluid and filter
on 5–speed transmission. Consult dealer for
requirements.
Replace front wheel bearing grease and grease
seal if non-sealed bearings are used.
Every 97500 miles
(156000 km) Replace spark plugs.
Every 105000 miles
(168000 km) Change engine coolant. *
Change rear axle fluid (Dana axles).
Inspect accessory drive belt(s). **
Every 150000 miles
(240000 km) Change automatic transmission fluid and filter
on 6–speed transmission. Consult dealer for
requirements.
Change front axle fluid (Four–wheel drive
vehicles).
Change rear axle fluid (non-Dana axles).
Change transfer case fluid (Four–wheel drive
vehicles).
Replace accessory drive belt(s) if not replaced
within the last 100000 miles (160000 km).
Replace front wheel bearings and seals if
non-sealed bearings are used.
* Initial replacement at six years or 105000 miles (168000 kilometers),
then every three years or 45000 miles (72000 kilometers).
** If not replaced, inspect every 15000 miles (24000 kilometers).
Scheduled Maintenance 409
2013 F-250/350/450/550 (f23)
Owners Guide gf, 3rd Printing, December 2012
USA (fus)