Special Operating Condition Requirements

When towing a trailer or using a camper or car-top carrier: 

• Change engine oil and install a new oil filter every 8,000 km (5,000 mi) or 6 months.
• Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for end play and noise every 8,000 km (5,000 mi). Vehicles with dual rear wheels should only be rotated if unusual wear is noted. For vehicles with different front-to-rear tire pressures, the tire pressure must be adjusted and the tire pressure sensor training must be done.
• Change automatic transmission fluid (except TorqShift® transmissions) every 48,000 km (30,000 mi). Change automatic transmission filter (except 6F35/6F55/AWF-21) following Normal Schedule.
• Change transfer case fluid every 96,000 km (60,000 mi).
• Change manual transmission fluid every 96,000 km (60,000 mi).
• Inspect and lubricate control arms, steering linkage, steering ball joints, U-joints and driveshaft with zerk fittings as required.
• Replace wheel bearing grease and install new grease seals on Rear Wheel Drive (RWD) front wheel bearings (if non-sealed bearings) every 48,000 km (30,000 mi).

Extensive idling and/or low speed driving for long distances, as in heavy commercial use such as delivery, taxi, patrol car or livery: 

• Change engine oil and install a new oil filter every 8,000 km (5,000 mi), 6 months or every 200 hours of engine operation.
• Install a new cabin air filter as required (if equipped).
• Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for end play and noise every 8,000 km (5,000 mi). Vehicles with dual rear wheels should only be rotated if unusual wear is noted. For vehicles with different front-to-rear tire pressures, the tire pressure must be adjusted and the tire pressure sensor training must be done.
• Inspect brake system every 8,000 km (5,000 mi).
• Inspect and lubricate control arms, steering linkage, steering ball joints, U-joints and driveshaft with zerk fittings every 8,000 km (5,000 mi) or 6 months (if equipped).
• Install a new fuel filter every 24,000 km (15,000 mi) on Crown Victoria, Grand Marquis, Town Car, Mustang, Ranger, F-Super Duty, Expedition EL and Navigator EL (not required for Fusion, Milan, MKZ, Edge, MKX, Taurus, E-Series, Expedition and Navigator with short wheelbase, F-150, Flex, MKS, Escape, Mariner, F-Series [non-Super Duty] and Transit Connect).
• Change automatic transmission fluid (except TorqShift® transmissions) every 48,000 km (30,000 mi). Change automatic transmission filter (except 6F35/6F55/AWF-21) following Normal Schedule.
• Replace wheel bearing grease and install new grease seals on RWD  front wheel bearings (if nonsealed bearings) every 48,000 km (30,000 mi).
• Install new spark plugs every 96,000 km (60,000 mi).
• Change transfer case fluid every 96,000 km (60,000 mi).

When operating in dusty conditions such as unpaved or dusty roads: 

• Change engine oil and install a new oil filter every 8,000 km (5,000 mi) or 6 months.
• Install a new cabin air filter as required (if equipped).
• Install a new engine air filter as required.
• Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for end play and noise every 8,000 km (5,000 mi). Vehicles with dual rear wheels should only be rotated if unusual wear is noted. For vehicles with different front-to-rear tire pressures, the tire pressure must be adjusted and the tire pressure sensor training must be done.
• Inspect and lubricate control arms, steering linkage, steering ball joints, U-joints and driveshaft with zerk fittings every 8,000 km (5,000 mi) or 6 months (if equipped).
• Install a new fuel filter every 24,000 km (15,000 mi) on Crown Victoria, Grand Marquis, Town Car, Mustang, Ranger, F-Super Duty, Expedition EL and Navigator EL (not required for Fusion, Milan, MKZ, Edge, MKX, Taurus, E-Series, Expedition and Navigator with short wheelbase, F-150, Flex, MKS, Escape, Mariner, F-Series [non-Super Duty] and Transit Connect).
• Change automatic transmission fluid (except TorqShift® transmissions) every 48,000 km (30,000 mi). Change automatic transmission filter (except 6F35/6F55/AWF-21) following Normal Schedule.
• Replace wheel bearing grease and install new grease seals on RWD  front wheel bearings (if nonsealed bearings) every 48,000 km (30,000 mi).
• Change manual transmission fluid every 80,000 km (50,000 mi).
• Change rear axle lubricant every 80,000 km (50,000 mi) (E-450 and F-450/550 only).
• Change transfer case fluid every 96,000 km (60,000 mi).

When operating in off-road conditions: 

• Change engine oil and install a new oil filter every 8,000 km (5,000 mi) or 6 months.
• Install a new cabin air filter as required (if equipped).
• Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for end play and noise every 8,000 km (5,000 mi) or 6 months. Vehicles with dual rear wheels should only be rotated if unusual wear is noted. For vehicles with different front-to-rear tire pressures, the tire pressure must be adjusted and the tire pressure sensor training must be done.
• Inspect and lubricate control arms, steering linkage, steering ball joints, U-joints and driveshaft with zerk fittings as required.
• Change automatic transmission fluid (except TorqShift® transmissions) every 48,000 km (30,000 mi). Change automatic transmission filter (except 6F35/6F55/AWF-21) following Normal Schedule.
• Replace wheel bearing grease and install new grease seals on RWD front wheel bearings (if nonsealed bearings) every 48,000 km (30,000 mi).
• Change manual transmission fluid every 80,000 km (50,000 mi).
• Change rear axle lubricant every 80,000 km (50,000 mi) (E-450 and F-450/550 only).
• Change transfer case fluid every 96,000 km (60,000 mi).

Use of E85 fuel 50% of the time or greater (flex fuel vehicles only): 

• If run exclusively on E85, fill the fuel tank with a full tank of regular unleaded fuel every 4,800 km (3,000 mi).
• Change engine oil and install a new oil filter every 8,000 km (5,000 mi) or 6 months.
• Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for end play and noise every 8,000 km (5,000 mi). Vehicles with dual rear wheels should only be rotated if unusual wear is noted. For vehicles with different front-to-rear tire pressures, the tire pressure must be adjusted and the tire pressure sensor training must be done.

When operating a Crown Victoria Police Interceptor, taxi or Town Car-Executive series equipped with an engine idle hour meter: 

• Inspect brake system every 8,000 km (5,000 mi).
• Rotate tires, inspect tires for wear, measure tread depth and inspect wheel ends for play and noise every 8,000 km (5,000 mi). Vehicles with different front-to-rear tire pressure, the tire pressure must be adjusted and the tire pressure sensor trained.
• Inspect and lubricate control arms, steering linkage, steering ball joints, U-joints and driveshaft with zerk fittings every 8,000 km (5,000 mi) or 6 months (if equipped).
• Change engine oil and replace filter every 8,000 km (5,000 mi), 6 months or as indicated by the time/mileage calculation.
• Replace fuel filter every 24,000 km (15,000 mi).
• Change automatic transmission fluid every 48,000 km (30,000 mi).
• Install new spark plugs every 96,000 km (60,000 mi).
• Inspect and replace cabin air filter as required (if equipped).