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Home >> Toyota >> 2016 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Fuel System (1AR-FE) (Service Information) (Except Hybrid)) >> Fuel Injector >> Installation [12/2013 - ] >> Procedure

Installation [12/2013 - ]: Procedure

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  1. INSTALL FUEL INJECTOR ASSEMBLY 

    HINT: 

    Perform "Inspection After Repair" after replacing a fuel injector assembly.

    Refer to INITIALIZATION [12/2013 - ]

    1. Apply a light coat of gasoline or spindle oil to new O-rings, and then install one onto each fuel injector assembly.
      GTY453403Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 O-ring
    2. Apply a light coat of gasoline or spindle oil where the fuel delivery pipe contacts each O-ring.
    3. While turning the fuel injector assembly left and right, install it onto the fuel delivery pipe.
      GTY446963Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not damage the fuel injector assembly and O-ring.
      • Do not twist the O-ring.
      • After installing each fuel injector assembly, check that it turns smoothly. If not, replace the O-ring with a new one.
  2. INSTALL FUEL DELIVERY PIPE 
    1. Install 4 new injector vibration insulators to the cylinder head sub-assembly.
      GTY445045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Fuel Delivery Spacer
      *2 Injector Vibration Insulator
      *a Fuel Delivery Pipe Side
      *b Cylinder Head Sub-assembly Side
    2. Install the 2 fuel delivery spacers onto the cylinder head sub-assembly.

      HINT: 

      Install the fuel delivery spacer so that the longer protrusion is on the cylinder head sub-assembly side.

    3. Install the fuel delivery pipe with the 4 fuel injector assemblies and install the 2 bolts.

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

      NOTE:
      • Do not drop the fuel injector assemblies when installing the fuel delivery pipe.
      • Check that the fuel injector assemblies rotate smoothly after installing the fuel delivery pipe.
  3. CONNECT ENGINE WIRE 
    1. Engage the clamp to connect the engine wire.
      GTY450941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the 2 wire harness brackets to the intake manifold with the 2 bolts.
    3. Connect the 4 fuel injector assembly connectors, throttle body with motor assembly connector and sensor wire connector.
  4. INSTALL NO. 1 VACUUM SWITCHING VALVE ASSEMBLY 

    Refer to PROCEDURE - Step 2

  5. INSTALL VACUUM SWITCHING VALVE ASSEMBLY (for ACIS) 

    Refer to PROCEDURE - Step 1

  6. CONNECT FUEL TUBE SUB-ASSEMBLY 
    1. Connect the fuel tube sub-assembly to the fuel pipe.
      GTY443110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Retainer
      *b O-ring
      *c Fuel Tube Connector
      *d Fuel Pipe
      *e Nylon Tube
      NOTE:

      Check if there is any damage or foreign matter on the connecting parts of the fuel lines.

      1. Align the fuel tube connector with the fuel pipe, and push them together until the fuel tube connector makes a "click" sound. If it is difficult to push the fuel pipe into the fuel tube connector, apply a small amount of clean engine oil to the tip of the fuel pipe and reinsert it.
      2. After connecting the fuel lines, check that the fuel pipe and fuel tube connector are securely connected by pulling on them.
    2. Engage the claw and install the No. 1 fuel pipe clamp.
    3. Engage the clamp to connect the fuel tube sub-assembly to the fuel hose clamp.
  7. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 3

  8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [12/2013 - 11/2016] , or refer to INITIALIZATION [11/2016 - ]

  9. INSPECT FOR FUEL LEAK 

    Refer to PROCEDURE - Step 1

  10. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 67 , or refer to PROCEDURE - Step 67

  11. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing a fuel injector assembly.

      Refer to INITIALIZATION [12/2013 - ]