2012 Ford F350 Super Duty Owner Guide 4th Printing - Page 435

Scheduled Maintenance SPECIAL OPERATING CONDITIONS The following information pertains to 6.2L V8 and 6.8L V10 gasoline engines only. Scheduled maintenance for the diesel engine can be found in the diesel supplement. If you operate your vehicle primarily in one of the more demanding conditions listed below, you will 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, Inspect and lubricate U-joints service as required See axle maintenance items under Exceptions Every 5,000 miles Inspect wheels and related components for (8,000 km) abnormal noise, wear, looseness or drag Rotate tires*, inspect tires for wear and measure tread depth Every 5,000 miles Change engine oil and filter (8,000 km) or Inspect and lubricate U-joints 6 months Every 30,000 miles Change automatic transmission fluid (except (48,000 km) 6R80 and TorqShift௡ transmissions) Replace front wheel bearing grease/grease seals if non-sealed bearings are used (2WD vehicles) Every 60,000 miles Change transfer case fluid (4WD vehicles) (96,000 km) *If equipped with dual rear wheels, rotate front wheels when specified, rear wheels only if unusual wear is noted 435 2012 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)