2015 Ford F450 Super Duty Crew Cab Owner Manual Printing 2 - Page 447

Scheduled Maintenance Towing a trailer or using a car-top carrier Inspect frequently, service as required Every 5000 miles (8000 km) Inspect and lubricate U-joints. See axle maintenance items under Exceptions. 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 Replace front wheel bearing grease and grease seals if km) non-sealed bearings are used. Every 60000 miles (96000 Change transfer case fluid (Four-wheel drive vehicles). km) Replace spark plugs. * Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels only if unusual wear is noted. Extensive idling or low-speed driving for long distances, as in heavy commercial use (such as delivery, taxi, patrol car or livery) Inspect frequently, service as required Every 5000 miles (8000 km) Replace engine air filter. Inspect brake system. 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 (8000 km) or six months Every 5000 miles (8000 km), six months or 200 engine hours Inspect and lubricate U-joints. Change engine oil and filter. 444 Super Duty (), enUSA