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Special Operating Conditions Scheduled Maintenance
6.2L and 6.8L Gasoline Engines
If you operate your vehicle primarily in any of the following conditions, you need to perform extra maintenance as indicated. If you operate your vehicle occasionally under any of these conditions, it is not necessary to perform the extra maintenance. For specific recommendations, see your dealership service advisor or technician.
| Towing a trailer or using a car-top carrier | |
|---|---|
| Inspect frequently, service as required | Inspect and lubricate U-joints. |
| See axle maintenance items under Exceptions. | |
| Every 5000 miles (8000 km) | 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 km) | Replace front wheel bearing grease and grease seals if non-sealed bearings are used. |
| Every 60000 miles (96000 km) | Change transfer case fluid (Four-wheel drive vehicles). |
| 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 | Replace engine air filter. |
| Every 5000 miles (8000 km) | 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 | Inspect and lubricate U-joints. |
| Every 5000 miles (8000 km), six months or 200 engine hours | Change engine oil and filter. |
| Every 30000 miles (48000 km) | Change transfer case fluid (Four-wheel drive vehicles). |
| Replace front wheel bearing grease and grease seals if non-sealed bearings are used. | |
| Every 60000 miles (96000 km) | Replace spark plugs. |
*Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels only if unusual wear is noted.
| Operating in dusty or sandy conditions (such as unpaved or dusty roads) | |
|---|---|
| Inspect frequently, service as required | Replace engine air filter. |
| Every 5000 miles (8000 km) | 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 km) | Replace front wheel bearing grease and grease seals if non-sealed bearings are used. |
| Every 50000 miles (80000 km) | Change rear axle fluid (F-450 and F-550 only). |
| Every 60000 miles (96000 km) | Change transfer case fluid (Four-wheel drive vehicles). |
*Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels only if unusual wear is noted.
| Off-road operation | |
|---|---|
| Inspect frequently, service as required | Inspect steering linkage, ball joints and U-joints, Lubricate if equipped with grease fittings. |
| Replace engine air filter. | |
| Every 5000 miles (8000 km) or six months | Change engine oil and filter. |
| Inspect the wheels and related components for abnormal noise, wear, looseness or drag. | |
| Rotate tires*, inspect tires for wear and measure tread depth. | |
| Every 30000 miles (48000 km) | Replace front wheel bearing grease and grease seals if non-sealed bearings are used. |
| Every 50000 miles (80000 km) | Change rear axle fluid (F-450 and F-550 only). |
| Every 60000 miles (96000 km) | Change transfer case fluid (Four-wheel drive vehicles). |
*Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels only if unusual wear is noted.
| Exclusive use of E85 (Flex fuel vehicles only) | |
|---|---|
| Every oil change interval | If ran exclusively on E85, fill the fuel tank full with regular unleaded fuel. |
6.7L Diesel Engine
See the diesel supplement for special operating condition information.
Exceptions
There are several exceptions to the Normal Schedule:
Axle and Tranfer Case Maintenance
Change the axle fluid anytime an axle is submerged in water.
Rear axles and power take-off units with synthetic fluid and light-duty trucks equipped with Ford-design axles are lubricated for life; do not check or change fluid unless a leak is suspected, service is required or the assembly has been submerged in water. During long periods of trailer towing with outside temperatures above 70°F (21°C) and at wide-open throttle for long periods above 45 mph (72 km/h), change non-synthetic rear axle fluid every 3000 miles (4800 kilometers) or three months, whichever comes first. This interval can be waived if the axle is filled with 75W140 synthetic gear fluid meeting Ford specification WSL-M2C192-A, part number XY-75W140-QL, or equivalent. Add friction modifier XL-3 (EST-M2C118-A) or equivalent for complete refill of Traction-Lok rear axles. See
Capacities and Specifications.
Additional Axle Maintenance for Dual Rear Wheels
Change rear axle fluid every 250,000 miles (400,000 kilometers) under normal driving conditions on all commercial applications. When operating your vehicle at or near maximum gross vehicle weights, change the rear axle fluid every 60,000 miles (96,000 kilometers). In addition, follow this 60,000 mile (96,000 kilometer) schedule when operating your vehicle under the special operating conditions where noted.
California Fuel Filter Replacement
If you register your vehicle in California, the California Air Resources Board has determined that the failure to perform this maintenance item does not nullify the emission warranty or limit recall liability before the completion of your vehicle's useful life. Ford Motor Company, however, urges you to have all recommended maintenance services performed at the specified intervals and to record all vehicle service.
Hot Climate Oil Change Intervals
Vehicles operating in the Middle East, North Africa, Sub-Saharan Africa or locations with similar climates using an American Petroleum Institute (API) Certified for Gasoline Engines (Certification mark) oil of SM or SN quality, the normal oil change interval is 3000 miles (5000 kilometers).
If the available API SM or SN oils are not available, then the oil change interval is 1800 miles (3000 kilometers).
Engine Air Filter and Cabin Air Filter Replacement
The life of the engine air filter and cabin air filter is dependent on exposure to dusty and dirty conditions. Vehicles operated in these conditions require frequent inspection and replacement of the engine air filter and cabin air filter.
Diesel Particulate Filter
The filter may need to be removed for ash cleaning at approximately 120000 miles (192000 kilometers) or greater (actual mileage can vary greatly depending upon engine and vehicle operating conditions) and replaced with a new or re-manufactured (ash cleaned) part. The filter may need to be replaced at approximately 250000 miles (400000 kilometers) depending upon engine and vehicle operating conditions. In both cases, the engine control system sets a service light (wrench icon) to inform you to bring your vehicle to the dealer for service. If there are any issues with the oxidation catalyst or particulate filter system, a service light (wrench or engine icon) sets by the engine control system to inform you to bring your vehicle into a dealer for service.
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