Thermostat Removal

Engine Hybrid System. Corolla. Zre142 Aze141
2Az-Fe Cooling. Corolla. Zre142 Aze141

  1. DRAIN ENGINE COOLANT

  2. DISCONNECT NO. 2 RADIATOR HOSE

  3. REMOVE WATER INLET

  4. REMOVE THERMOSTAT

Thermostat -- Removal



1. DRAIN ENGINE COOLANT

  1. Loosen the lower radiator drain cock plug.

    CAUTION:
    Do not loosen the lower radiator drain cock plug while the engine and radiator are still hot.
    Pressurized, hot engine coolant and steam may be released and cause serious burns.
    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.

  1. Remove the radiator cap.



  1. Loosen the cylinder block drain cock plug.


    Corolla. Zre142 Aze141.2Az-Fe Cooling.Cooling System.Thermostat Removal



2. DISCONNECT NO. 2 RADIATOR HOSE


    Corolla. Zre142 Aze141

  1. Disconnect the No. 2 radiator hose from the radiator assembly.



3. REMOVE WATER INLET


Corolla. Zre142 Aze141

  1. Remove the 2 nuts and disconnect the water inlet from the cylinder block.



4. REMOVE THERMOSTAT

  1. Remove the thermostat and gasket.