2012 Lincoln Navigator Owner Guide 1st Printing - Page 369

Scheduled Maintenance Operating in dusty conditions such as unpaved or dusty roads Inspect frequently, Replace cabin air filter (if equipped) service as required Replace engine air filter Every 5,000 miles Inspect wheels and related components for (8,000 km) abnormal noise, wear, looseness or drag Rotate tires*, inspect tire wear and measure tread depth Change engine oil and filter Every 5,000 miles (8,000 km) or Inspect and lubricate U-joints 6 months Every 5,000 miles Change engine oil and filter (8,000 km), 6 months or 200 engine hours Every 30,000 miles Change automatic transmission fluid (except (48,000 km) 6R80 and TorqShift௡ transmissions) Replace front wheel bearing grease/grease seals if non-sealed bearings are used (2WD vehicles) Every 50,000 miles Change manual transmission fluid (80,000 km) Change rear axle fluid (E-450 and F-450/550 only) Every 60,000 miles Change transfer case fluid (4WD vehicles) (96,000 km) *If equipped with dual rear wheels, rotate front wheels when specified, rear wheels only if unusual wear is noted 369 2012 Navigator (nav) Owners Guide, 1st Printing USA (fus)