Power Steering Oil Pressure Switch Installation


  1. INSTALL POWER STEERING OIL PRESSURE SWITCH

  2. ADD POWER STEERING FLUID

  3. BLEED AIR FROM POWER STEERING SYSTEM

  4. INSPECT FOR POWER STEERING FLUID LEAK

Power Steering Oil Pressure Switch -- Installation



1. INSTALL POWER STEERING OIL PRESSURE SWITCH
  1. Apply a light coat of engine oil to the O-ring of the power steering oil pressure switch.

  1. Using a 19 mm deep socket wrench, install the power steering oil pressure switch.

    Torque:
    21 N*m{210 kgf*cm, 15 ft.*lbf}
    NOTICE:
    1. When reusing the power steering oil pressure switch, inspect the O-ring.
    2. Do not allow foreign matter to contact the oil seal face of the power steering oil pressure switch (connecting surface with pressure feed tube).
    3. Be careful not to damage the O-ring when installing the power steering oil pressure switch.
  1. Connect the power steering oil pressure switch connector.



2. ADD POWER STEERING FLUID


3. BLEED AIR FROM POWER STEERING SYSTEM
  1. Check the fluid level.

  1. Jack up the front of the vehicle and support it with stands.

  1. Turn the steering wheel.

    1. With the engine stopped, turn the wheel slowly from lock to lock several times.

  1. Lower the vehicle.

  1. Start the engine.

    1. Run the engine at idle for a few minutes.

  1. Turn the steering wheel.

    1. With the engine idling, turn the wheel to the left or right full lock position and keep it there for 2 to 3 seconds, and then turn the wheel to the opposite full lock position and keep it there for 2 to 3 seconds.*1

    2. Repeat *1 several times.

  1. Stop the engine.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.2Tr-Fe Engine Control.Sfi System.Power Steering Oil Pressure Switch  Installation
  1. Check for foaming or emulsification.

    Text in Illustration
    *a
    CORRECT
    *b
    INCORRECT
    If the system has to be bled twice specifically because of foaming or emulsification, check for fluid leaks in the power steering system.
  1. Check the fluid level.



4. INSPECT FOR POWER STEERING FLUID LEAK