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Home >> Lexus >> 2006 >> GS 300 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection And Installation >> Throttle Body >> Installation

Throttle Body: Installation

  1. INSTALL THROTTLE BODY 
    1. Install a new gasket to the intake air surge tank.

      HINT:

      Align the protrusion of the gasket on the intake air surge tank.

      Fig 1: Aligning Protrusion Of Gasket On Intake Air Surge Tank
      G04018091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body with the 4 bolts.

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

    3. Connect the throttle motor connector.
      Fig 2: Identifying Throttle Body
      G04018092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT WATER BYPASS HOSE 
    1. Connect the 2 water bypass hoses to the throttle body.
      Fig 3: Identifying Water By-Pass Hoses To Throttle Body
      G04018093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Install the air cleaner cap with air cleaner hose assembly with the 4 clamps and hose clamp.

      HINT:

      Be sure to install the air cleaner assembly so that the screw part of the hose clamp is as shown in the illustration.

      Fig 4: Identifying Air Cleaner Cap With Air Cleaner Hose
      G04018094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the VSV (for EVAP) to the air cleaner hose.
      Fig 5: Identifying VSV (For EVAP) To Air Cleaner Hose
      G04018095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the MAF meter connector and clamp to the air cleaner.
      Fig 6: Identifying MAF Meter Connector And Clamp To Air Cleaner
      G04018096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. CONNECT NO. 2 VENTILATION HOSE 
    1. Connect the ventilation hose to the cylinder head cover with the clamp.
  5. ADD ENGINE COOLANT (See  ON-VEHICLE INSPECTION  ) 
  6. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
    Fig 7: Locating Ventilation Hose To Cylinder Head Cover
    G04018097Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL ENGINE UNDER COVER 
    1. Install the under cover with the 10 bolts and 3 clips.
  8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  9. CHECK FUNCTION OF THROTTLE BODY (see  REMOVAL   ) 
    Fig 8: Identifying Engine Under Cover
    G04018066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL V-BANK COVER 
    1. Install the V-bank cover with the 2 nuts.

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

      Fig 9: Identifying V-Bank Cover
      G04018099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL ENGINE ROOM SIDE COVER RH 
    1. Install the side cover with the 2 clips and nut.
      Fig 10: Identifying Engine Room Side Cover RH
      G04018100Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. INSTALL COOL AIR INTAKE DUCT SEAL 
    1. Install the duct seal with the 7 clips.
  13. 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.
  14. WARM UP ENGINE 
    1. After the engine is warmed up, check that the maintained parts operate normally.
      Fig 11: Identifying Cool Air Intake Duct Seal
      G04018101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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