Axle and Transfer Case Maintenance
Axle(s) and transfer case (four-wheel drivevehicles) fluid changes or level checks arenot required unless a leak is suspected orthe assembly has been submerged inwater. During long periods of trailer towingwith outside temperatures above 70°F(21°C) or at wide-open throttle for longperiods above 45 mph (72 km/h), changethe rear axle fluid every 30,000 mi(48,000 km) or three months, whichevercomes first, if the rear axle is filled withnon-synthetic fluid. This interval can bewaived and the 150,000 mi (240,000km)service interval can continue if the rear axleis filled with 75W85 synthetic gear fluidmeeting Ford specificationWSS-M2C942-A, part numberXY-75W85-QL, or equivalent. Add frictionmodifier XL-3 (EST-M2C118-A) orequivalent for complete refill ofTraction-Lok rear axles.
California Fuel Filter Replacement
If you register your vehicle in California, theCalifornia Air Resources Board hasdetermined that the failure to perform thismaintenance item does not nullify theemission warranty or limit recall liabilitybefore the completion of your vehicle'suseful life. Ford Motor Company, however,urges you to have all recommendedmaintenance services performed at thespecified intervals and to record all vehicleservice.
Hot Climate Oil Change Intervals
Vehicles operating in the Middle East,North Africa, Sub-Saharan Africa orlocations with similar climates using anAmerican Petroleum Institute (API)Certified for Gasoline Engines (Certificationmark) oil of SM or SN quality, the normaloil change interval is 3,000 mi (4,800 km).
If the available API SM or SN oils are notavailable, then the oil change interval is1,800 mi (2,900 km).
Engine Air Filter Replacement
The life of the engine air filter is dependenton exposure to dusty and dirty conditions.Vehicles operated in these conditionsrequire frequent inspection andreplacement of the engine air filter.
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Expedition (TB7) Canada/United States of America, enUSA, Edition date: 03/2016, First Printing
Scheduled Maintenance
