48000 MI or 76800 KM

Lubricate
    Universal Joint, Drive/Propeller Shaft
      If equipped.
    Steering and Suspension
      Lubricate steering linkage.
    Slip Yoke
      If equipped.
Inspect
    Exhaust System
      Inspect exhaust system for leaks, damage or loose parts. Remove any foreign material trapped by exhaust system shielding. NOTE: It is normal for a certain amount of moisture and staining to be present around the muffler seams. The presence of soot, light surface rust or moisture does not indicate a faulty muffler.
Replace
    Oil Filter, Engine
    Engine Oil
    Coolant
      Change engine coolant initially at 50,000 miles (80,000 km) or 48 months. Thereafter, change engine coolant every 30,000 miles (48,000 km) or 36 months. For 7.3L DIT Diesel Engines, add 4 pints (1.9 L) of FW-15 each time the engine coolant is changed.