Engine Coolant Temperature Sensor Removal

Engine Hybrid System. Corolla. Zre142 Aze141
2Zr-Fe Engine Control. Corolla. Zre142 Aze141

  1. REMOVE NO. 2 CYLINDER HEAD COVER

  2. DRAIN ENGINE COOLANT

  3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

  4. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

Engine Coolant Temperature Sensor -- Removal



1. REMOVE NO. 2 CYLINDER HEAD COVER


    Corolla. Zre142 Aze141
  1. Hold the rear of the cover and raise it to disengage the 2 clips on the rear of the cover. Continue to raise the cover to disengage the 2 clips on the front of the cover to remove the cover.

    NOTICE:
    Attempting to disengage both front and rear clips at the same time may cause the cover to break.


2. 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.


    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Engine Coolant Temperature Sensor  Removal



3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY


    Corolla. Zre142 Aze141
  1. Disconnect the mass air flow meter connector and the 2 wire harness clamps.



    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Engine Coolant Temperature Sensor  Removal
  1. Disconnect the ventilation hose and loosen the hose clamp.



    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Engine Coolant Temperature Sensor  Removal
  1. Release the 2 clamps and remove the air cleaner cap sub-assembly with hose.



4. REMOVE ENGINE COOLANT TEMPERATURE SENSOR


    Corolla. Zre142 Aze141
  1. Disconnect the engine coolant temperature sensor connector.



    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Engine Coolant Temperature Sensor  Removal
  1. Remove the engine coolant temperature sensor.