Thermostat Removal


  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE FRONT BUMPER LOWER COVER

  3. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY

  4. DRAIN ENGINE COOLANT

  5. REMOVE FRONT FENDER APRON SEAL RH

  6. REMOVE FRONT NO. 1 FENDER APRON TO FRAME SEAL RH

  7. REMOVE UPPER RADIATOR SUPPORT SEAL

  8. REMOVE FRONT HEATER BRACKET (for Cold Area Specification Vehicles)

  9. REMOVE FAN AND GENERATOR V BELT

  10. REMOVE NO. 1 AIR CLEANER HOSE

  11. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

  12. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY

  13. REMOVE AIR CLEANER CASE SUB-ASSEMBLY

  14. REMOVE NO. 1 AIR HOSE

  15. REMOVE COMPRESSOR OUTLET ELBOW

  16. REMOVE VISCOUS WITH MAGNET CLUTCH HEATER ASSEMBLY (for Cold Area Specification Vehicles)

  17. REMOVE VISCOUS HEATER NO. 1 BRACKET SUB-ASSEMBLY (for Cold Area Specification Vehicles)

  18. DISCONNECT COOLER COMPRESSOR ASSEMBLY (w/ Air Conditioning System)

  19. REMOVE GENERATOR BRACKET

  20. REMOVE GENERATOR ASSEMBLY

  21. REMOVE NO. 1 COMPRESSOR MOUNTING BRACKET

  22. REMOVE VENTILATION PIPE

  23. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE

  24. DISCONNECT NO. 2 RADIATOR HOSE

  25. DISCONNECT NO. 2 WATER BY-PASS HOSE

  26. REMOVE WATER INLET

  27. REMOVE THERMOSTAT

Thermostat -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
  1. After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work (LandCruiser RM000003YMD00TX.html).
  2. When disconnecting the cable, some systems need to be initialized after the cable is reconnected (LandCruiser RM000003YMF011X.html).


2. REMOVE FRONT BUMPER LOWER COVER
  1. Remove the clip, 5 bolts and front bumper lower cover.



3. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY
  1. Remove the 4 bolts and No. 1 engine under cover.



4. DRAIN ENGINE COOLANT
CAUTION:
Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
  1. Loosen the radiator drain cock plug.

    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Drain the coolant by removing the reservoir cap and, using a wrench, remove the vent plug.



  1. Loosen the cylinder block drain cock plug.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Kd-Ftv Cooling.Cooling System.Thermostat  Removal


    Text in Illustration
    *1
    Radiator Reservoir
    *2
    Vent Plug
    *3
    Radiator Drain Cock Plug
    *4
    Cylinder Block Drain Cock Plug


5. REMOVE FRONT FENDER APRON SEAL RH
  1. Using a clip remover, remove the 4 clips and front fender apron seal RH.



6. REMOVE FRONT NO. 1 FENDER APRON TO FRAME SEAL RH
  1. Using a clip remover, remove the 5 clips and front No. 1 fender apron to frame seal RH.



7. REMOVE UPPER RADIATOR SUPPORT SEAL
  1. Remove the 13 clips and upper radiator support seal.



8. REMOVE FRONT HEATER BRACKET (for Cold Area Specification Vehicles)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 2 bolts and front heater bracket.



9. REMOVE FAN AND GENERATOR V BELT
  1. Using the pulley set bolt of the tensioner, rotate the tensioner pulley clockwise to loosen the belt tension. Then remove the V belt.



10. REMOVE NO. 1 AIR CLEANER HOSE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Loosen the 2 hose clamps and remove the No. 1 air cleaner hose.



11. REMOVE AIR CLEANER CAP SUB-ASSEMBLY


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Kd-Ftv Cooling.Cooling System.Thermostat  Removal
  1. except Cold Area Specification Vehicles:
    Detach the 2 clamps and disconnect the mass air flow meter connector.

    Text in Illustration
    *A
    except Cold Area Specification Vehicles
    *B
    for Cold Area Specification Vehicles
  1. for Cold Area Specification Vehicles:
    Detach the 3 clamps and disconnect the mass air flow meter connector.

  1. Detach the 4 clamps and remove the air cleaner cap sub-assembly.



12. REMOVE AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY


13. REMOVE AIR CLEANER CASE SUB-ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 3 bolts and air cleaner case sub-assembly.



14. REMOVE NO. 1 AIR HOSE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Loosen the 2 clamps.

  1. Remove the No. 1 air hose from the inlet pipe and intercooler.



15. REMOVE COMPRESSOR OUTLET ELBOW


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Detach the 3 wire harness clamps.

  1. Remove the bolt and wire harness bracket.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Loosen the hose clamp and remove the 2 bolts and compressor outlet elbow.



16. REMOVE VISCOUS WITH MAGNET CLUTCH HEATER ASSEMBLY (for Cold Area Specification Vehicles)
  1. Disconnect the viscous heater connector.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Disconnect the water by-pass hose and water hose.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 2 bolts and viscous heater with magnet clutch.



17. REMOVE VISCOUS HEATER NO. 1 BRACKET SUB-ASSEMBLY (for Cold Area Specification Vehicles)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 4 bolts and No. 1 viscous heater bracket.



18. DISCONNECT COOLER COMPRESSOR ASSEMBLY (w/ Air Conditioning System)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Disconnect the compressor connector.

  1. Remove the 4 bolts and disconnect the cooler compressor.



19. REMOVE GENERATOR BRACKET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the bolt and generator bracket.



20. REMOVE GENERATOR ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Disconnect the generator connector.

  1. Remove the terminal cap.

  1. Remove the nut and disconnect the generator wire.

  1. Remove the 2 bolts and generator.



21. REMOVE NO. 1 COMPRESSOR MOUNTING BRACKET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 5 bolts and No. 1 compressor mounting bracket.



22. REMOVE VENTILATION PIPE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Type A
    Slide the 2 clamps and disconnect the No. 3 turbo water hose and No. 4 turbo water hose from the ventilation pipe.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Kd-Ftv Cooling.Cooling System.Thermostat  Removal
  1. Remove the bolt and disconnect the 2 ventilation hoses and ventilation pipe from the cylinder head sub-assembly.

    Text in Illustration
    *A
    Type A
    *B
    Type B


23. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
  1. Remove the engine oil level dipstick.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 2 bolts and engine oil level dipstick guide from the cylinder block sub-assembly.

  1. Remove the O-ring from the engine oil level dipstick guide.



24. DISCONNECT NO. 2 RADIATOR HOSE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Slide the clamp and disconnect the No. 2 radiator hose.



25. DISCONNECT NO. 2 WATER BY-PASS HOSE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Disconnect the No. 2 water by-pass hose from the water inlet.



26. REMOVE WATER INLET


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. for Automatic Transmission:
    Remove the 2 bolts from the oil cooler tube clamp and bracket.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 3 bolts and inlet.



27. REMOVE THERMOSTAT
  1. Remove the thermostat.

  1. Remove the gasket from the thermostat.