2003 Ford Explorer Sport Scheduled Maintenance Guide 6th Printing - Page 37

Special Operating Conditions Special Operating Conditions Items Needing Special Attention If you operate your Ford/Lincoln/Mercury primarily in one of the more demanding "Special Operating 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 qualified service professional. Towing a trailer or using a camper or car-top carrier Every 3,000 miles or 3 months Change engine oil and replace oil filter Every 30,000 miles Change automatic transmission fluid Lubricate 4X4 front hub needle bearings (F Super Duty) Every 60,000 miles Change transfer case fluid Change rear axle fluid if equipped with XY-75W90-FEHP As required Change manual transmission fluid As required Inspect and lubricate U-joints Extensive idling and/or low-speed driving for long distances as in heavy commercial use such as delivery, taxi, patrol car or livery Every 3,000 miles, 3 months or Change engine oil and replace oil filter 200 hours of engine operation, whichever occurs first Every 3,000 miles or 3 months Lube front lower control arm and steering linkage ball joints with zerk fittings, if equipped Every 5,000 miles Inspect brake system Check battery electrolyte level (Patrol Cars) Every 15,000 miles Replace fuel filter Every 30,000 miles Change automatic transmission fluid Lubricate 4X2 wheel bearings, replace grease seals, and adjust bearings 37 2003 Universal Service Guide (usg) Universal Service Guide USA English (fus)