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Home › Toyota › 2017 › Sienna LE, AWD › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Control System [2GR-FKS] (Service Information) › Throttle Body › Removal [08/2016 - ] › Procedure

Removal [08/2016 - ]: Procedure

  1. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 18

  2. INSTALL NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 4

  3. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  4. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the mass air flow meter connector.
      GTY722816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the wire harness clamp.
    3. Disengage the No. 1 fuel vapor feed hose from the air cleaner hose assembly.
      GTY719352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 Fuel Vapor Feed Hose
      *2 No. 2 Ventilation Hose
      *3 Vacuum Hose Sub-assembly
    4. Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assembly.
    5. Disengage the vacuum hose sub-assembly from the air cleaner hose assembly.
    6. Disengage the 2 air cleaner cap clamps.
      GTY723381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Air Cleaner Cap Clamp
      *b Guide
    7. Open the air cleaner cap sub-assembly and remove the air cleaner filter element sub-assembly from the air cleaner case sub-assembly.
    8. Disengage the 2 guides to separate the air cleaner cap sub-assembly from the air cleaner case sub-assembly.
    9. Loosen the hose clamp and remove the air cleaner cap with air cleaner hose from the throttle body with motor assembly.
      GTY667855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY 
    1. Slide the 2 clips and disconnect the No. 2 water by-pass hose and No. 3 water by-pass hose from the throttle body with motor assembly.
      GTY638793Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 2 Water By-pass Hose
      *2 No. 3 Water By-pass Hose
    2. Disconnect the throttle body with motor assembly connector.
      GTY684717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 4 bolts and throttle body with motor assembly from the intake air surge tank assembly.
      NOTE:

      If the throttle body with motor assembly has been struck or dropped, replace it.

  6. REMOVE THROTTLE BODY GASKET 
    1. Remove the throttle body gasket from the intake air surge tank assembly.
      GTY667853Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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