"I" - Extensive Idling, Low-Speed, Commercial Use-Taxi, Police, Delivery

SPECIAL OPERATING CONDITION "I" - Extensive Idling And/or Low-speed Driving For Long Distances As In Heavy Commercial Use Such As Delivery, Taxi, Patrol Car Or Livery

EVERY 5,000 MILES Inspect brake system
Rotate tires, inspect tires for wear and measure tread depth
Inspect the wheels and related components for abnormal noise, wear, looseness, or drag
Lubricate control arm and steering ball joints (if equipped with zerk fittings)

EVERY 5,000 MILES or 6 months Inspect and lubricate U-joints

EVERY 5,000 MILES or 6 months or 200 hours of engine operation Change engine oil and replace oil filter

EVERY 15,000 MILES Replace fuel filter (Crown Vic, Grand Marquis, Town Car, Mustang, Ranger, F-Super Duty, Expedition EL and Navigator EL)

EVERY 30,000 MILES Change automatic transmission/transaxle fluid (not required on 6R60/6R75/TorqShift transmissions)
Replace wheel bearing grease and grease seals on 4x2 front wheel bearings (if non-sealed bearings)

EVERY 60,000 MILES Replace spark plugs
Change transfer case fluid

AS REQUIRED Replace cabin air filter