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FUEL INJECTOR (for Port Injection): Installation

WARNING: This page is about a different car, the 2008 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL FUEL INJECTOR ASSEMBLY 
    1. Apply gasoline to 2 new O-rings and install them to the injector.
      NOTE: Check that there is no damage or foreign material in the groove of the injector when installing the injector's O-rings.
      Fig 1: Identifying Fuel Injector O-Rings
      G05303122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the fuel injector assemblies to the fuel delivery pipe sub-assembly.
    NOTE:
    • When the injector does not rotate smoothly, the O-ring may be pinched. Remove the injector and install a new O-ring to the injector.
    • Make sure that the injector is located within the plastic stopper range as shown in the illustration.
  2. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Install the 4 delivery pipe spacers to the intake manifold.
      Fig 2: Identifying Injector Is Located Within Plastic Stopper
      G05826298Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the delivery pipe sub-assembly (with injector) to the intake manifold.
      NOTE: When the injector does not rotate smoothly, the O-ring may be pinched. Remove the injector and install a new O-ring to the injector.
      Fig 3: Installing Delivery Pipe Sub-Assembly (With Injector) To Intake Manifold
      G05286917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the fuel injector assembly to the fuel delivery pipe sub-assemblies with the 4 bolts.

      Torque: 17 N*m (173 kgf*cm, 13 ft.*lbf) 

      Fig 4: Locating Fuel Delivery Pipe Bolts
      G05286905Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the 6 injector connectors and 2 clamps.
      Fig 5: Locating Injector Connectors And Clamps
      G05286904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Push in the fuel tube connector to the delivery pipe sub-assembly and push up the retainer to engage the claws.
      NOTE:
      • Check for damage or foreign objects on the connected part.
      • After connecting, check that the fuel tube connector and the pipe are securely connected by pulling on them.
      Fig 6: Pushing Up Retainer To Engage Claws
      G05303193Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. After connecting the fuel tube, align the paint marks on the delivery pipe.
  3. INSTALL INTAKE AIR SURGE TANK 
    NOTE: Do not apply oil to the bolts as listed below:
    TIGHTENING PARTS REFERENCE

    Tightening Parts
    Intake air surge tank and intake manifold
    Surge tank stay and intake air surge tank
    Fig 7: Aligning Paint Marks On Delivery Pipe
    G05303136Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Install a new gasket to the intake air surge tank.
    2. Install the intake air surge tank with the 2 nuts.

      Torque: 16 N*m (163 kgf*cm, 12 ft.*lbf) 

    3. Using a 5 mm hexagon socket wrench, install the 6 bolts.

      Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf) 

      Fig 8: Locating Intake Air Surge Tank Nuts And Bolts
      G05826284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the surge tank stay to the intake air surge tank with the bolt.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 9: Locating Surge Tank Stay Bolt
      G05826283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Install the water hose joint to the intake air surge tank with the bolt.

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

      Fig 10: Locating Water Hose Joint Bolt
      G05826282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Connect the 4 wire harness clamps to the intake air surge tank.
      Fig 11: Locating Intake Air Surge Tank Wire Harness Clamps
      G05826281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Connect the ventilation hose, union to check valve hose and water by-pass hose to the intake air surge tank.
      Fig 12: Locating Ventilation Hose, Union To Check Valve Hose And Water By-Pass Hose
      G05286898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Install the purge VSV to the intake air surge tank with the bolt.

      Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf) 

    9. Connect the vacuum hose to the intake air surge tank.
    10. Fig 13: Locating Purge VSV Bolt
      G05286897Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL THROTTLE W/MOTOR BODY ASSEMBLY  (See INSTALLATION )
  5. INSTALL AIR CLEANER CAP SUB-ASSEMBLY  (See INSTALLATION )
  6. CONNECT NO. 2 VENTILATION HOSE  (See INSTALLATION )
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL  (See INSTALLATION )
  8. ADD ENGINE COOLANT  (See ON-VEHICLE INSPECTION )
  9. INSPECT FOR COOLANT LEAK  (See ON-VEHICLE INSPECTION )
  10. INSPECT FOR FUEL LEAK  (See ON-VEHICLE INSPECTION )
  11. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY  (See INSTALLATION )
  12. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH  (See INSTALLATION )
  13. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH  (See INSTALLATION )
  14. INSTALL FRONT WIPER ARM HEAD CAP  (See INSTALLATION )
  15. INSTALL ROOF DRIP SIDE FINISH MOLDING LH 
  16. INSTALL ROOF DRIP SIDE FINISH MOLDING RH 
  17. INSTALL FRONT UPPER FENDER PROTECTOR LH  (See INSTALLATION )
  18. INSTALL FRONT UPPER FENDER PROTECTOR RH 

    HINT:

    Installation procedure of the RH side is the same as that of the LH side.

  19. INSTALL V-BANK COVER SUB-ASSEMBLY  (See INSTALLATION )
  20. INSTALL ENGINE ROOM SIDE COVER LH  (See INSTALLATION )
  21. INSTALL ENGINE ROOM SIDE COVER RH  (See INSTALLATION )
  22. INSTALL COOL AIR INTAKE DUCT SEAL  (See INSTALLATION )
  23. CHECK FUNCTION OF THROTTLE BODY  (See ON-VEHICLE INSPECTION )
  24. PERFORM INITIALIZATION 
    1. Perform initialization (See INITIALIZATION ).

    HINT:

    Certain systems need to be initialized after reconnecting the cable to the negative (-) battery terminal.