Lexus ES manuals

Lexus ES: Installation

INSTALLATION

PROCEDURE

1. INSTALL PORT FUEL INJECTOR ASSEMBLY

HINT:

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

NOTICE:

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

(b) for Bank 1:

(1) Connect the 3 port fuel injector assembly connectors.

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

NOTICE:

  • Make sure that the port fuel injector assembly is located within the stopper as shown in the illustration.
  • Check that the port 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 port 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 port fuel injector assembly connectors.

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

NOTICE:

  • Make sure that the port fuel injector assembly is located within the stopper as shown in the illustration.
  • Check that the port 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 port 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 port fuel injector assemblies onto the intake manifold.

NOTICE:

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

(b) Install the fuel delivery pipe with sensor assembly with the 6 port 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 port fuel injector assembly.

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READ NEXT:

 Fuel Main Valve

 Components

COMPONENTS ILLUSTRATION *1 FUEL SUCTION PLATE SUB-ASSEMBLY *2 FUEL FILTER *3 O-RING *4 FUEL MAIN VALVE ASSEMBLY (for Low Pressure) *5 FUEL MAIN VALVE ASSEMBLY (for High Press

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during fuel

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