90000 MI or 144000 KM

Lubricate
    Headlamp
      Headlight Retractors
    Body and Frame
      Check operation and lubricate all locks, hinges and check rods
Clean
    Weatherstrip
      Remove residue and coat with talcum powder, glycerine, or other suitable rubber lubricant
Adjust
    Parking Brake System
      Handbrake
Diagnose/Test
    Computers and Control Systems
      Diagnostic System
Inspect
    Wiper and Washer Systems
      Windshield And Headlight Washers; Check aim
    Wheel Bearing
      Front Wheel Bearings
    Tires
      Check tread wear and inflation pressure
    Throttle Cable/Linkage
      Check for smooth operation and full throttle opening; lubricate as necessary
    Steering
      Check tightness of components and condition of rubber boots and bushings
    Seat Belt Systems
      check condition and operation
    Power Steering Fluid
    Lighting and Horns
      Check operation of lights, horns, buzzers, wipers, switches, instruments and power accessories
    Fuel Delivery and Air Induction
      Fuel system: visual inspection for damage, clearance and tightness of line connections. Intake air system: check hoses, lines and connections for tightness.
    Fluids
      Oil and fluids: Visual inspection for leaks.
    Exhaust System
    Drive/Propeller Shaft
      Driveshaft Boots
    Drive Belt
    Coolant
    Clutch Pedal Assembly
      Clutch Pedal Free Play
    Brakes and Traction Control
      Check pad wear, condition of lines and hoses. Brake hoses and lines: visual inspection for clearance, damage and corrosion. Brkae fluid: check level.
Replace
    Timing Belt
      Although Porsche Cars North America increased the cam belt replacement interval to 60000 miles (96500 Km), Common practice is to replace the cam belt at 45000 miles (72000 Km). See TSB #09201 dated 10/13/92. Check and adjust balance shaft belt tension after 4,000 km (2,500 miles).
    Spark Plug
    Oil Filter, Engine
    Fuel Filter
    Fluid - M/T
    Fluid - Differential
    Fluid - A/T
    Engine Oil
    Cabin Air Filter / Purifier
      Heating and Ventilation filter
    Air Filter Element