2012 Ford F150 Owner Guide 2nd Printing - Page 468

Scheduled Maintenance Edge/MKX AWD only - vehicles operating off-road in sand during high ambient temperatures must replace the AWD PTU (All-wheel drive Power Transfer Unit) lube every 20,000 miles (32,000 km). Engine air filter & cabin air filter replacement: Engine air filter and cabin air filter life is dependent on exposure to dusty and dirty conditions. Vehicles operated in these conditions will require frequent inspection and replacement of the engine air filter and cabin air filter. ENGINE COOLANT CHANGE RECORD 3.5L, 3.7L and 5.0L engines 6 years or 100,000 miles (160,000 km) (whichever comes first) After initial change Every 3 years or 50,000 miles (80,000 km) Initial change Initial change After initial change 6.2L engine 6 years or 105,000 miles (168,000 km) (whichever comes first) Every 3 years or 45,000 miles (72,000 km) 468 2012 F-150 (f12) Owners Guide, 2nd Printing USA (fus)