Thermostat Removal


  1. REMOVE UPPER RADIATOR SUPPORT SEAL

  2. REMOVE FRONT BUMPER COVER LOWER

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

  4. DRAIN ENGINE COOLANT

  5. REMOVE V-BANK COVER

  6. DISCONNECT NO. 2 RADIATOR HOSE

  7. REMOVE WATER INLET WITH THERMOSTAT

Thermostat -- Removal



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



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



3. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY
  1. Remove the 4 bolts.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Unhook the engine under cover from the vehicle body as shown in the illustration.



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.


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


Text in Illustration
*1
Reservoir Cap
*2
Radiator Cap
*3
Radiator Drain Cock Plug
*4
Cylinder Block Drain Cock Plug
  1. Loosen the radiator drain cock plug.

  1. Remove the radiator cap and drain the coolant.

    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.
  1. Loosen the cylinder block drain cock plug and drain the coolant from the engine.



5. REMOVE V-BANK COVER


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.1Gr-Fe Cooling.Cooling System.Thermostat  Removal
  1. Raise the front of the V-bank cover to detach the 2 pins. Then remove the 2 V-bank cover hooks from the bracket, and remove the V-bank cover.

    Text in Illustration
    *1
    Pin
    *2
    Hook


6. DISCONNECT NO. 2 RADIATOR HOSE


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Disconnect the No. 2 radiator hose.



7. REMOVE WATER INLET WITH THERMOSTAT
HINT:
If the thermostat was not installed, cooling efficiency would decrease. Even if the engine tends to overheat, do not remove the thermostat.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155
  1. Remove the 3 nuts, water inlet with thermostat and gasket.