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. DISCONNECT NO. 1 RADIATOR HOSE

  6. REMOVE WATER OUTLET

  7. REMOVE 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 reservoir 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.


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.5L-E Cooling.Cooling System.Thermostat  Removal


    Text in Illustration
    *1
    Radiator Cap
    *2
    Radiator Reservoir
    *3
    Radiator Drain Cock Plug
    *4
    Cylinder Block Drain Cock Plug
    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.
  1. Drain the coolant by removing the radiator cap.

  1. Loosen the cylinder block drain cock plug.

  1. Loosen the cylinder block drain cock plug and drain the coolant from the engine.

    NOTICE:
    If coolant is not drained from the radiator drain cock plug, cylinder block drain cock plugs and radiator reservoir, clogging in the radiator or coolant leakage from the seal of the water pump may result.


5. DISCONNECT NO. 1 RADIATOR HOSE


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155


6. REMOVE WATER OUTLET


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



7. REMOVE THERMOSTAT
  1. Remove the thermostat with gasket.

  1. Remove the gasket from the thermostat.