Throttle Body Removal

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

  1. DRAIN ENGINE COOLANT

  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

  3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE

  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.



  1. Loosen the cylinder block drain cock plug.


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



2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY


    Corolla. Zre142 Aze141

  1. Remove the 2 nuts and No. 1 engine cover sub-assembly.



3. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE


    Corolla. Zre142 Aze141

  1. Disconnect the mass air flow meter connector.

  1. Separate the 2 wire harness clamps.



    Corolla. Zre142 Aze141

  1. Disconnect the No. 1 vacuum switching valve connector and the 2 vacuum hoses.



    Corolla. Zre142 Aze141

  1. Disconnect the ventilation hose.



    Corolla. Zre142 Aze141

  1. Loosen the No. 1 air cleaner hose clamp, release the 3 air cleaner assembly clamps and remove the air cleaner cap sub-assembly with No. 1 hose.



4. REMOVE THROTTLE BODY ASSEMBLY


    Corolla. Zre142 Aze141

  1. Disconnect the 2 water by-pass hoses.



    Corolla. Zre142 Aze141

  1. Disconnect the throttle body assembly connector.



    Corolla. Zre142 Aze141

  1. Remove the 4 bolts and throttle body assembly.



    Corolla. Zre142 Aze141

  1. Remove the gasket from the intake manifold.