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Off-road operation Inspect frequently, Inspect steering linkage, ball joints and U-joints; Replace cabin air filter (if equipped) Replace engine air filter Every 5,000 miles Change engine oil and filter Inspect wheels and related components for Rotate tires*, inspect tire wear and measure Every 30,000 miles Change automatic transmission fluid (except 威 transmissions) Replace front wheel bearing grease/grease seals if Every 50,000 miles Change manual transmission fluid Change rear axle fluid (E-450 and F-450/550 Every 60,000 miles Change transfer case fluid (4WD vehicles) *If equipped with dual rear wheels, rotate front wheels when specified, Exclusive use of E85 (Flex Fuel Vehicles only) Every oil change If ran exclusively on E85, fill the fuel tank full Scheduled Maintenance 325 |