2012 Ford F350 Super Duty Owner Guide 4th Printing - Page 431

Scheduled Maintenance Every 15,000 miles (24,000 km) Every 30,000 miles (48,000 km) Every 60,000 miles (96,000 km) 6.2L and 6.8L engines Replace cabin air filter (if equipped) Replace climate-controlled seat filter (if equipped) Replace engine air filter Change automatic transmission fluid and filter on 5-speed TorqShift௡ transmission; consult dealer for requirements Replace front wheel bearing grease/grease seal if non-sealed bearings are used (2WD vehicles) Replace spark plugs Every 97,500 miles (156,000 km) Every 105,000 miles Change engine coolant1 (168,000 km) Change manual transmission fluid (except Escape) Change rear axle fluid (Dana axles) Inspect accessory drive belt(s)2 Every 150,000 miles Change automatic transmission fluid and filter (240,000 km) (except 5-speed TorqShift௡ transmission) (filter not required on 6F35, 6F50, DPS6 and AWF-21 transmissions); consult dealer for requirements Change front axle fluid (4WD vehicles) Change rear axle fluid (RWD vehicles) Change transfer case fluid (4WD vehicles) Replace accessory drive belt(s) if not replaced within the last 100,000 miles (160,000 km) Replace front wheel bearings and seals if non-sealed bearings are used (2WD vehicles) 1 Initial replacement at 105,000 miles (168,000 km) or 72 months; every 45,000 miles (72,000 km) or 36 months thereafter 2 Perform a follow-up inspection at 120,000 miles (192,000 km) 431 2012 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)