FORD 2011 Crown Victoria v.1 - Manual (Page 320)

Operating in dusty conditions such as unpaved or dusty roads
Inspect frequently, service as
required
– Replace cabin air filter (if equipped).
– Replace engine air filter.
Every 5,000 miles (8,000 km) – Rotate tires, inspect tires for wear and measure tread
depth.
– Inspect wheels and related components for abnormal
noise, wear, looseness or drag.
Every 5,000 miles (8,000 km) or
6 months
– Change engine oil and replace oil filter.
– Inspect and lubricate U-joints.
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 (not required on
6R80 transmission).
Every 50,000 miles (80,000 km) – Change manual transmission fluid.
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.
Scheduled Maintenance Guide
320
2011 Crown Victoria (cro)
Owners Guide, 1st Printing
USA (fus)