30000 MI or 48000 KM

Lubricate
    Shift Linkage, Transfer Case
      Lubricate transfer case linkage.
    Drive/Propeller Shaft
      Lubricate daily if operated in water.
    Clutch Linkage
    Brakes and Traction Control
      Lubricate body actuating mechanisms.
    Body and Frame
      Lubricate body actuating mechanisms.
    Ball Joint
    Axle Pivot Bushing
      Heavy Duty Service
    Axle Joint
      Heavy Duty Service
Inspect/Adjust
    Ignition Timing
Clean
    Crankcase Filter
      Clean and oil crankcase filter.
Check
    Vacuum Harness HVAC
      Check vacuum hoses.
    Power Steering Fluid
      Check fluid level.
    Hoses
      Check fuel hoses.
    Fluid - Transfer Case
      Check fluid level.
    Fluid - M/T
      Check fluid level.
    Fluid - Differential
      Check differential for leaks.
    Fluid - A/T
      Light Duty Cycle
    EFE Valve
      Check and lubricate if equipped.
    Clutch Fluid
      Check fluid level.
    Brake Fluid
      Check fluid level.
Inspect
    Wheel Bearing
      Rear Dana axle only. Repack as required or whenever axles are removed or Dana brakes are serviced, repack.
    Heating and Air Conditioning
    Exhaust System
    Cooling System
      Inspect hoses, clamps, coolant and radiator.
    Brake Hose/Line
    Air Injection
      Inspect air injection system.
Replace
    Spark Plug
      Models with catalytic converters.
    Positive Crankcase Ventilation Valve
    Oxygen Sensor
    Ignition Rotor
    Ignition Cable
    Fuel Filter
    Filters
      Replace PCV Valve filter if equipped.
    Evaporative Emissions System
      Replace vacuum controlled emission components.
    Engine Oil
      If your mileage is less the 7,500 miles a yearly, replace the engine oil filter at each oil change.
    EGR Valve
      Replace EGR Valve and clean passages.
    EGR Tube
      Replace EGR Valve and clean passages.
    Drive Belt
      V-type
    Distributor Cap
    Air Filter Element
      Replace air filter, clean filter wrapper if equipped.