Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL FUEL INJECTOR ASSEMBLY

HINT:

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

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(a) Apply a light coat of spindle oil or gasoline to 6 new O-rings, and install one to each fuel injector assembly.

NOTICE:

Check that there is no damage or foreign matter on the groove of the fuel injector assembly when installing the O-ring to each fuel injector assembly.

(b) for Bank 1:

(1) Connect the 3 fuel injector assembly connectors.

(2) Install the 3 fuel injector assemblies to the fuel delivery pipe with sensor assembly.

NOTICE:

  • Make sure that the fuel injector assembly is located within the stopper as shown in the illustration.
  • Check that the fuel injector assembly installation holes of the fuel delivery pipe with sensor assembly are not damaged and are free of foreign matter.
  • Make sure that the O-ring is not damaged, twisted or moved out of place when installing the fuel injector assembly.

*a

Stopper

(3) Engage the clamp to connect the No. 5 engine wire to the fuel delivery pipe with sensor assembly.

(c) for Bank 2:

(1) Connect the 3 fuel injector assembly connectors.

(2) Install the 3 fuel injector assemblies to the fuel delivery pipe with sensor assembly.

NOTICE:

  • Make sure that the fuel injector assembly is located within the stopper as shown in the illustration.
  • Check that the fuel injector assembly installation holes of the fuel delivery pipe with sensor assembly are not damaged and are free of foreign matter.
  • Make sure that the O-ring is not damaged, twisted or moved out of place when installing the fuel injector assembly.

*a

Stopper

(3) Engage the clamp to connect the No. 5 engine wire to the fuel delivery pipe with sensor assembly.

2. INSTALL INJECTOR VIBRATION INSULATOR

(a) Install 6 new injector vibration insulators to the intake manifold.

3. INSTALL NO. 1 DELIVERY PIPE SPACER

(a) Install the 4 No. 1 delivery pipe spacers to the intake manifold.

4. INSTALL FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY

(a) Place the fuel delivery pipe with sensor assembly with the 6 fuel injector assemblies onto the intake manifold.

NOTICE:

Be careful not to drop the fuel injector assemblies when installing the fuel delivery pipe with sensor assembly.

(b) Install the fuel delivery pipe with sensor assembly with the 6 fuel injector assemblies to the intake manifold with the 4 bolts.

Torque:

17 N·m {173 kgf·cm, 13 ft·lbf}

(c) Connect the 2 No. 5 engine wire connectors.

(d) Connect the fuel pressure sensor connector.

5. CONNECT FUEL TUBE SUB-ASSEMBLY

(a) Connect the fuel tube sub-assembly to the fuel delivery pipe with sensor assembly.

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6. INSTALL INTAKE AIR SURGE TANK ASSEMBLY

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7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

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8. INSPECT FOR FUEL LEAK

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9. PERFORM INITIALIZATION

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

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    Inspection

    Removal

    See More:

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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