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Fuel Injector: Installation

  1. INSTALL FUEL INJECTOR ASSEMBLY 
    1. Install a new grommet and insulator to the injector.
    2. Check that there is no foreign object or damage to the groove of the O-ring of the injector. Apply gasoline to a new O-ring, and install it to the injector.
    3. Install the injector to the delivery pipe while turning the injector in both ways.
    4. Check that the injector can turn smoothly.
    NOTE: When the injector cannot turn smoothly, the O-ring might be caught in something. In that case, replace the O-ring with a new one.
    Fig 1: Identifying Grommet And Insulator On Injector
    G05264865Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL NO. 2 FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Install the injector with the delivery pipe to the intake manifold.
    2. Turn the injector in both ways by approximately 45 degrees.
    3. Inserting a spacer between the delivery pipe and the intake manifold, install the delivery pipe with the injector with the 2 nuts.

    Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf) 

  3. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY 
    1. Install the injector with the delivery pipe to the intake manifold.
    2. Turn the injector in both ways by approximately 45 degrees.
    3. Inserting a spacer between the delivery pipe and the intake manifold, install the delivery pipe with the injector with the 2 nuts.

    Torque: 21 N*m (214 kgf*cm, 16 ft.*lbf) 

  4. INSTALL FUEL HOSE 
    1. Using 2 new gaskets, install the fuel main hose with the fuel pressure pulsation damper.

      Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) 

  5. INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY 

    Torque: 18 N*m (185 kgf*cm, 13 ft.*lbf) 

    Fig 2: Identifying Fuel Main Hose Gaskets
    G04962555Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL NO. 3 FUEL PIPE SUB-ASSEMBLY 

    Torque: 7.5 N*m (80 kgf*cm, 66 ft.*lbf) 

  7. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY 
    1. Install the fuel pipe sub-assembly with the bolts.
    2. Using 4 new gaskets, install the No. 1 fuel pipe sub-assembly with the 2 union bolts.

    Torque: 39 N*m (400 kgf*cm, 29 ft.*lbf) 

  8. INSTALL AIR CLEANER HOSE ASSEMBLY 
  9. CHECK FOR FUEL LEAKAGE (See  ON-VEHICLE INSPECTION  ) 
  10. INSTALL V-BANK COVER SUB-ASSEMBLY 

    Torque: 7.5 N*m (80 kgf*cm, 66 ft.*lbf)