150000 MI or 240000 KM

Inspect
    Fluid - Transfer Case
      Inspect transfer case fluid.
    Constant Velocity Joint
      Inspect the CV joints.
Replace
    Spark Plug
      Replace spark plugs (5.7L Engine). The spark plug change interval is mileage based only, yearly intervals do not apply.
    Air Filter Element
      Replace engine air filter.
Flush
    Coolant
      Flush and replace the engine coolant at 10 years or 150,000 miles (240,000 km) whichever comes first.