2013 Ford F350 Super Duty Super Cab Owner Manual Printing 3 - Page 415

414 Scheduled Maintenance Extensive idling or low-speed driving for long distances as in heavy commercial use (such as delivery, taxi, patrol car or livery) Inspect frequently, Replace engine air filter. service as required Every 5000 miles Inspect brake system. (8000 km) Inspect wheels and related components for abnormal noise, wear, looseness or drag. Lubricate control arm and steering ball joints if equipped with grease fittings. Rotate tires*, inspect tires for wear and measure tread depth. Every 5000 miles Change engine oil and filter. (8000 km) or Inspect and lubricate U-joints. six months Every 30000 miles Replace front wheel bearing grease and grease (48000 km) seals if non-sealed bearings are used. Every 60000 miles Change transfer case fluid (4WD vehicles). (96000 km) Replace spark plugs. Vehicles equipped with dual rear wheels should rotate the front wheels when specified; rear wheels only if unusual wear is noted. Operating in dusty or sandy conditions such as unpaved or dusty roads Inspect frequently, Replace engine air filter. service as required Every 5000 miles Inspect the wheels and related components for (8000 km) abnormal noise, wear, looseness or drag. Rotate tires*, inspect tires for wear and measure tread depth. Every 5000 miles Change engine oil and filter. (8000 km) or Inspect and lubricate U-joints. six months Every 30000 miles Replace front wheel bearing grease and grease (48000 km) seals if non-sealed bearings are used. * 2013 F-250/350/450/550 (f23) Owners Guide gf, 3rd Printing, December 2012 USA (fus)