Extensive idling and/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 cabin air filter (if equipped)
– Replace engine air filter
Every 5,000 miles (8,000 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 5,000 miles (8,000 km) or
6 months
– Inspect and lubricate U-joints
Every 5,000 miles (8,000 km),
6 months or 200 hours of engine
operation
– Change engine oil and filter
Every 15,000 miles (24,000 km)
– Replace fuel filter (Crown Victoria, Grand Marquis and
Town Car)
Every 30,000 miles (48,000 km)
– Change automatic transmission fluid (except 6R80
transmission)
Every 60,000 miles (96,000 km)
– Replace spark plugs
Scheduled Maintenance Guide
293
2011 Town Car
(tow)
Owners Guide, 2nd Printing
USA
(fus)
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