Knock Sensor Removal

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

  1. DISCHARGE FUEL SYSTEM PRESSURE

  2. DRAIN COOLANT

  3. REMOVE FRONT WIPER ARM HEAD CAP

  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH

  5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH

  6. REMOVE HOOD TO COWL TOP SEAL

  7. REMOVE CENTER NO. 1 COWL TOP VENTILATOR LOUVER

  8. REMOVE COWL TOP VENTILATOR LOUVER LH

  9. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY

  10. REMOVE OUTER COWL TOP PANEL

  11. REMOVE SUSPENSION TOWER DAMPER ASSEMBLY (w/ Front Strut Bar)

  12. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

  13. REMOVE AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE

  14. REMOVE THROTTLE BODY ASSEMBLY

  15. DISCONNECT FUEL TUBE SUB-ASSEMBLY

  16. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY WITH FUEL TUBE SUB-ASSEMBLY

  17. REMOVE INTAKE MANIFOLD

  18. REMOVE NO. 1 INTAKE MANIFOLD INSULATOR

  19. REMOVE KNOCK SENSOR

Knock Sensor -- Removal



1. DISCHARGE FUEL SYSTEM PRESSURE
COROLLA_ZRE142 RM000001EEY04YX.html


2. DRAIN 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.Knock Sensor  Removal



3. REMOVE FRONT WIPER ARM HEAD CAP


    Corolla. Zre142 Aze141
  1. Remove the 2 front wiper arm head caps.



4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH


    Corolla. Zre142 Aze141
  1. Remove the nut and the front wiper arm and blade assembly LH.



5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH


    Corolla. Zre142 Aze141
  1. Remove the nut and the front wiper arm and blade assembly RH.



6. REMOVE HOOD TO COWL TOP SEAL


    Corolla. Zre142 Aze141
  1. Disengage the 7 clips and remove the hood to cowl top seal.



7. REMOVE CENTER NO. 1 COWL TOP VENTILATOR LOUVER


    Corolla. Zre142 Aze141
  1. Disengage the clip and 14 claws, and remove the center No. 1 cowl top ventilator louver.



8. REMOVE COWL TOP VENTILATOR LOUVER LH


    Corolla. Zre142 Aze141
  1. Disengage the clip and 8 claws, and remove the cowl top ventilator louver LH.



9. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY


    Corolla. Zre142 Aze141
  1. Disconnect the connector.

  1. Remove the 2 bolts and the windshield wiper motor and link assembly.



10. REMOVE OUTER COWL TOP PANEL


    Corolla. Zre142 Aze141
  1. Disengage the clamp and bend the water guard plate RH as shown in the illustration.



    Corolla. Zre142 Aze141
  1. Disengage the clamp.

  1. Remove the 12 bolts and outer cowl top panel.



11. REMOVE SUSPENSION TOWER DAMPER ASSEMBLY (w/ Front Strut Bar)


    Corolla. Zre142 Aze141
  1. Remove the 2 nuts and suspension tower damper assembly.



12. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY


    Corolla. Zre142 Aze141
  1. Remove the 2 nuts and No. 1 engine cover sub-assembly.



13. 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.



14. 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.



15. DISCONNECT FUEL TUBE SUB-ASSEMBLY
NOTICE:
Do not forcibly bend, kink or twist the fuel main tube.


    Corolla. Zre142 Aze141
  1. Remove the fuel tube from the fuel hose clamp.

  1. Remove the fuel pipe clamp.

  1. Wipe off any dirt on the fuel tube connector.



    Corolla. Zre142 Aze141.2Az-Fe Engine Control.Sfi System.Knock Sensor  Removal
  1. Hold the fuel tube connector, and then install SST.

    SST
    09268-21011
  1. Turn SST to align the retainer inside the fuel tube connector with the chamfered part of SST.

  1. Insert SST into the fuel tube and hold it. Then push the fuel tube connector toward SST.

  1. Mount the retainer of the fuel tube connector onto the chamfered part of SST.



    Corolla. Zre142 Aze141.2Az-Fe Engine Control.Sfi System.Knock Sensor  Removal
  1. Slide SST and fuel tube connector together towards the fuel tube until they make a "click" sound, and then disconnect the fuel tube.

  1. Drain the fuel remaining inside the fuel tube.

  1. Cover the fuel tube and fuel pipe with a plastic bag to protect the disconnected part.



16. REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY WITH FUEL TUBE SUB-ASSEMBLY


    Corolla. Zre142 Aze141
  1. Remove the 2 wire harness clamps.

  1. Disconnect the 4 fuel injector connectors.



    Corolla. Zre142 Aze141
  1. Remove the 2 bolts, then remove the fuel delivery pipe together with the 4 fuel injectors.

    NOTICE:
    Be careful not to drop the fuel injectors when removing the fuel delivery pipe.


    Corolla. Zre142 Aze141
  1. Remove the 2 delivery pipe spacers from the cylinder head.

  1. Remove the 4 insulators from the cylinder head.



17. REMOVE INTAKE MANIFOLD


Corolla. Zre142 Aze141
  1. Disconnect the ventilation hose.



    Corolla. Zre142 Aze141
  1. Disconnect the union to check valve hose.

  1. Separate the wire harness clamp from the intake manifold.



    Corolla. Zre142 Aze141
  1. Remove the 5 bolts, 2 nuts and intake manifold.



    Corolla. Zre142 Aze141.2Az-Fe Engine Control.Sfi System.Knock Sensor  Removal
  1. Remove the intake manifold gasket.



18. REMOVE NO. 1 INTAKE MANIFOLD INSULATOR
  1. Remove the No. 1 intake manifold insulator.



19. REMOVE KNOCK SENSOR


Corolla. Zre142 Aze141
  1. Disconnect the sensor connector.

  1. Remove the nut and knock sensor.