Throttle Body Removal

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

  1. DRAIN ENGINE COOLANT

  2. REMOVE NO. 2 CYLINDER HEAD COVER

  3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

  4. REMOVE THROTTLE BODY ASSEMBLY

Throttle Body -- 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.


    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Throttle Body Removal



2. 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.


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.Throttle Body Removal

  1. Disconnect the ventilation hose and loosen the hose clamp.



    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.Sfi System.Throttle Body Removal

  1. Release the 2 clamps and remove the air cleaner cap sub-assembly with hose.



4. REMOVE THROTTLE BODY ASSEMBLY


    Corolla. Zre142 Aze141

  1. Disconnect the throttle body connector and the 2 water by-pass hoses.



    Corolla. Zre142 Aze141

  1. Remove the 2 bolts and 2 nuts, and remove the throttle body assembly.



    Corolla. Zre142 Aze141

  1. Remove the gasket from the intake manifold.