Operation CHARM: Car repair manuals for everyone.

"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 for wear and measure 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 transmission)
- Replace wheel bearing grease and grease seals on 4x2 front wheel bearings (if non-sealed bearings)

EVERY 60,000 MILES - Change transfer case fluid
Change manual transmission fluid

AS REQUIRED - Replace cabin air filter.


Crown Victoria Police Interceptor & Taxi, and Executive Series Town Car equipped with Engine Idle Hour Meter.

EVERY 5,000 MILES - Inspect brake system
- Rotate tires, inspect for wear and measure 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, 6 months or as indicated by time/mileage calculation - Change engine oil and replace oil filter

EVERY 15,000 MILES - Replace fuel filter

Every 30,000 miles - Change automatic transmission fluid

EVERY 60,000 MILES - Replace spark plugs

AS REQUIRED - Replace cabin air filter.