90000 MI or 144000 KM

Lubricate
    Steering
      4x4 pickups.
    Drive/Propeller Shaft
      4x4 pickups.
Check
    Brakes and Traction Control
Tighten/Torque
    Body and Frame
Adjust
    Valve Clearance
      Except vehicles with hydraulic lifters.
    Idle Speed
Inspect
    Suspension
    Fuel Supply Line
    Fluid - Transfer Case
    Fluid - M/T
    Fluid - A/T
    Exhaust System
    Drive Belt
      Except V-ribbed.
    Choke Housing
Replace
    Spark Plug
      Except platinum-tipped.
    Oil Filter, Engine
      Diesel engines only, every 5000 miles. Gasoline engines, every 10,000 miles.
    Engine Oil
      Diesel engines only, every 5000 miles. Gasoline engines, every 10,000 miles.
    Air Filter Element
Clean/Repack
    Wheel Bearing
      1984 trucks.
Flush
    Cooling System