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Home >> Toyota >> 2021 >> Supra Premium >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Intake / Exhaust System (B58) - Service Information >> Intake Manifold >> Removal [03/2019 - ] >> Procedure

Removal [03/2019 - ]: Procedure

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 

    Refer to REMOVAL [03/2019 - ]

  2. REMOVE FRONT SUSPENSION MEMBER LOWER PROTECTOR 

    Refer to REMOVAL [03/2019 - ]

  3. REMOVE AIR CLEANER HOSE ASSEMBLY 

    Refer to REMOVAL [03/2019 - ] 

  4. DRAIN ENGINE COOLANT (for Low Temperature) 

    Refer to REPLACEMENT [03/2019 - ]

  5. REMOVE NO. 2 AIR CLEANER HOSE 

    Refer to REMOVAL [03/2019 - ] 

  6. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [03/2019 - ]

  7. REMOVE COWL TOP VENTILATOR LOUVER PROTECTOR 

    Refer to PROCEDURE - Step 10

  8. REMOVE NO. 1 ENGINE COVER 

    Refer to PROCEDURE - Step 13

  9. REMOVE NO. 1 CHECK VALVE 

    Refer to PROCEDURE - Step 2

  10. REMOVE NO. 1 INTEGRATION RELAY 

    Refer to REMOVAL [03/2019 - 07/2020] , or refer to REMOVAL [07/2020 - ]

  11. REMOVE ENGINE ROOM ECM BOX 
    1. Unlock and loosen locks (1) and (2).
      GTY946387Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Release the wiring harnesses from the engine room ECU box and set it aside.
    3. Loosen bolts (1).
      GTY946386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Guide out and remove the engine room ECU box (2).
  12. REMOVE INTAKE MANIFOLD 
    WARNING:
    • Hot fluids.

      Risk of scalding!

      • Conduct all work in the vehicle wearing appropriate personal protective equipment only.
    1. Unlock the locks (1) and set the wiring harness aside.
      GTY946060Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Release wiring harness from holder (2) and lay to one side.
    3. Disconnect the wiring harness (1) from the cylinder head cover sub-assembly and set aside.
      GTY916215Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Unlock and disconnect the connector (2) from the vacuum sensor.
    5. Disconnect the fuel tank breather tubes from the intake manifold where marked (3) and put to one side.
    6. Loosen the E10 bolt (1).
      GTY943385Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove holder (2) from the throttle body with motor assembly and slide to the side.
    8. Unlock plug connection (3) and disconnect.
    9. Detach the clip in the marked area (4).
    10. Unlock and pull off the fuel suction tube sub-assembly (8).
      GTY946065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    11. Loosen the bolts in the order (7) to (1).
    12. Loosen the E10 bolts (1).
      GTY946064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    13. Unlock the locks (2) of the coolant lines under the intake manifold and disconnect the water by-pass hoses.

      HINT: 

      • Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.
      • Slightly raise air intake header.
    14. Remove intake manifold.

      HINT: 

      • The tie rods and mounting screws from the connection neck on the intake manifold are not allowed be opened.
        GTY1158352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Do not loosen the screws in the marked area o the intake manifold.
    15. Remove clip (1).
      GTY946033Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    16. Loosen the T25 bolt (2).
    17. Remove the vacuum sensor (3).
    18. Loosen the T20 bolt (4).
    19. Remove the No. 3 fuel vapor feed hose (5).
    20. Loosen the bolts (6).
    21. Remove the throttle body with motor assembly (7).
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