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Throttle Body: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Install a new gasket to the intake manifold.

      HINT:

      Align the protrusion of the gasket with the groove on the intake manifold.

      Fig 1: Aligning Protrusion Of Gasket With Groove On Intake Manifold
      G06190150Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the No. 4 and No. 5 water by-pass hoses to the throttle body.
      NOTE:
      • Position the claws of the clamps as shown in the illustration.
      • Install the clamps so that they are within the hose's paint marks.
      Fig 2: Connecting No. 4 And No. 5 Water By-Pass Hoses To Throttle Body
      G06190151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the throttle body with the 4 bolts.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    4. Connect the throttle motor connector.
    5. Fig 3: Locating Throttle Body Bolts
      G06190152Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL INTAKE AIR CONNECTOR PIPE 
    1. Align the protrusion of the intake air resonator with the cutout of the bracket and insert the protrusion.
      Fig 4: Locating No. 1 And No. 2 Ventilation Hoses
      G06190153Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the intake air connector pipe with the 3 hose clamps.

      Torque: for intake air connector pipe and throttle body 

      4.8 N*m (49 kgf*cm, 42 in.*lbf) 

      for intake air connector pipe and air cleaner cap 

      3.8 N*m (39 kgf*cm, 34 in.*lbf) 

      HINT:

      • Insert the protrusion of the intake air connector pipe into the hole of the hose clamp.
      • The intake air connector pipe and throttle body clamp can be tightened within the range of 4.0 N*m (41 kgf*cm, 35 in.*lbf) to 5.5 N*m (56 kgf*cm, 49 in.*lbf), and the intake air connector pipe and air cleaner cap clamp can be tightened within the range of 2.0 N*m (20 kgf*cm, 18 in.*lbf) to 5.5 N*m (56 kgf*cm, 49 in.*lbf).
    3. for AWD:

      Attach the wire harness clamp.

    4. Connect the No. 1 and No. 2 ventilation hoses to the intake air connector pipe.

      HINT:

      • Position the claws of the clamps as shown in the illustration.
      • Install the clamps so that they are within the hose's paint marks.
      Fig 5: Positioning Claws Of Clamps
      G06190154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL NO. 1 AIR CLEANER INLET 
    1. Align the holes with the connection areas labeled A, and attach the No. 1 air cleaner inlet.
      Fig 6: Identifying No. 1 Air Cleaner Inlet
      G06190155Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the No. 1 air cleaner inlet with the 2 bolts.

      Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

    3. Fig 7: Locating No. 1 Air Cleaner Inlet Bolts
      G06190156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  5. ADD ENGINE COOLANT  (See REPLACEMENT )
  6. INSPECT FOR ENGINE COOLANT LEAK  (See ON-VEHICLE INSPECTION )
  7. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY 
    1. Attach the 4 clips B.
      NOTE:
      • Make sure the clips are attached securely.
      • Attaching the clips forcefully or hitting the top of the clips may damage them.
    2. Install the air cleaner inlet cover with the 5 clips A.
    Fig 8: Locating Air Cleaner Inlet Cover Clips
    G06190157Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL V-BANK COVER SUB-ASSEMBLY 
    1. Slide the cover from the vehicle front toward the rear of the vehicle to attach the 2 clips labeled A, and then attach the 4 clips labeled B to install the V bank cover.
      NOTE:
      • Make sure the clips are attached securely.
      • Attaching the clips forcefully or hitting the top of the clips may damage them.
      • When attaching the clips labeled A, be sure to slide the cover from the front of the vehicle toward the rear of the vehicle.
      Fig 9: Locating V-Bank Cover Clip
      G06190158Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL NO. 1 ENGINE UNDER COVER  (See REPLACEMENT )
  10. INSTALL COWL TOP VENTILATOR LOUVER RH  (See INSTALLATION )
  11. PERFORM INITIALIZATION 
    1. Perform initialization (See INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.