2012 Ford F550 Cab Diesel Supplement 3rd Printing - Page 86

Scheduled Maintenance Guide Note: After initial coolant flush and fill at 60,000 miles (96,000 km) or 2,400 engine hours, flush and fill every 45,000 miles (72,000 km) or 1,800 engine hours thereafter. As required Off-road Operation Inspect functional holes in each leg of the twin tip and the holes under the shield just inboard of the right rear tire to make sure they are kept clean/clear of debris or foreign materials. Refer to the Cleaning chapter for more information Inspect steering and suspension ball joints and tie rods; lubricate if equipped with grease fittings Rotate tires, inspect tires for wear and measure tread depth and inspect wheel ends for endplay and noise; dual rear wheels should only be rotated if unusual wear is observed Inspect brake system pads and rotors Inspect engine air filter restriction gauge; replace filter as indicated by gauge Change engine oil and filter Inspect and lubricate U-joints Replace engine- and frame-mounted fuel filters Every 7,500 miles (12,000 km) Every 7,500 miles (12,000 km) or 300 engine hours Every 15,000 miles (24,000 km), 6 months, 600 engine hours or as indicated by message center Every 30,000 miles (48,000 km) Replace air inlet foam filter Replace wheel bearing grease/grease seals if non-sealed bearings are used (2WD vehicles) Every 50,000 miles Change rear axle fluid (if equipped with a Dana (80,000 km) rear axle; some F-350s, all F-450/550s) Change transfer case fluid (4WD vehicles) Inspect front axle fluid (4WD vehicles) Reset your Intelligent Oil Life Monitor™ after each engine oil and filter change; refer to the Instrument Cluster chapter of the Owner's Guide. 86 2012 Diesel (67l) Supplement, 3rd Printing USA (fus)