Lexus ES manuals

Lexus ES: Installation

INSTALLATION

CAUTION / NOTICE / HINT

NOTICE:

This procedure includes the installation of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

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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 4 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) Install the 4 port fuel injector assemblies to the fuel delivery pipe sub-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 sub-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

*b

Claw

2. INSTALL NO. 5 ENGINE WIRE

(a) Engage the 2 clamps to install the No. 5 engine wire to the fuel delivery pipe sub-assembly.

(b) Connect the 4 port fuel injector assembly connectors and No. 2 fuel pressure sensor connector.

3. INSTALL INJECTOR VIBRATION INSULATOR

(a) Install 4 new injector vibration insulators to the cylinder head sub-assembly.

4. INSTALL NO. 1 DELIVERY PIPE SPACER

(a) Install the 2 No. 1 delivery pipe spacers to the cylinder head sub-assembly.

NOTICE:

Install the No. 1 delivery pipe spacers in the correct direction.

*a

Fuel Delivery Pipe Sub-assembly Side

*b

Cylinder Head Sub-assembly Side

5. INSTALL FUEL DELIVERY PIPE SUB-ASSEMBLY

(a) Place the fuel delivery pipe sub-assembly with the 4 port fuel injector assemblies onto the cylinder head sub-assembly.

NOTICE:

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

(b) Install the fuel delivery pipe sub-assembly with the port fuel injector assemblies with the 2 bolts.

Torque:

28.5 N·m {291 kgf·cm, 21 ft·lbf}

(c) Connect the No. 5 engine wire connector.

6. TEMPORARILY INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY

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7. TEMPORARILY INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY

NOTICE:

Do not damage the seals of the union nuts of the No. 1 fuel pipe sub-assembly.

(a) for Cylinder Head Cover Sub-assembly Connection Type:

(1) Temporarily install the bolt.

(b) Temporarily install the No. 1 fuel pipe sub-assembly to the fuel delivery pipe and tighten the union nut by hand.

(c) Temporarily install the No. 1 fuel pipe sub-assembly to the fuel pump assembly and tighten the union nut by hand.

8. INSTALL FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY

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9. INSTALL NO. 1 FUEL PIPE SUB-ASSEMBLY

(a) for EGR Valve Bracket Connection Type:

(1) Using a 17 mm union nut wrench, tighten the union nut on the fuel delivery pipe side of the No. 1 fuel pipe sub-assembly.

Torque:

Specified tightening torque :

35 N·m {357 kgf·cm, 26 ft·lbf}

NOTICE:

Do not adjust the torque in the loosening direction.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

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  • When using a 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 30 N*m (306 kgf*cm, 22 ft.*lbf)

*a

17 mm Union Nut Wrench

*b

Torque Wrench Fulcrum Length

(2) Using a 17 mm union nut wrench, tighten the union nut on the fuel pump assembly side of the No. 1 fuel pipe sub-assembly.

Torque:

Specified tightening torque :

35 N·m {357 kgf·cm, 26 ft·lbf}

NOTICE:

Do not adjust the torque in the loosening direction.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 30 N*m (306 kgf*cm, 22 ft.*lbf)

(b) for Cylinder Head Cover Sub-assembly Connection Type:

(1) Using a 17 mm union nut wrench, tighten the union nut on the fuel delivery pipe side of the No. 1 fuel pipe sub-assembly.

*a

17 mm Union Nut Wrench

*b

Torque Wrench Fulcrum Length

Union Nut

Bolt

Torque:

Specified tightening torque :

35 N·m {357 kgf·cm, 26 ft·lbf}

NOTICE:

Do not adjust the torque in the loosening direction.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 30 N*m (306 kgf*cm, 22 ft.*lbf)

(2) Using a 17 mm union nut wrench, tighten the union nut on the fuel pump assembly side of the No. 1 fuel pipe sub-assembly.

Torque:

Specified tightening torque :

35 N·m {357 kgf·cm, 26 ft·lbf}

NOTICE:

Do not adjust the torque in the loosening direction.

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here

  • When using a 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 180 mm (7.09 in.)): 30 N*m (306 kgf*cm, 22 ft.*lbf)

(3) Using an 8 mm socket wrench, tighten the bolt.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

(c) Connect the ignition coil connector.

10. CONNECT FUEL TUBE SUB-ASSEMBLY

(a) Connect the fuel tube sub-assembly to the fuel pump assembly and fuel delivery pipe sub-assembly.

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(b) Install the fuel pipe clamp to the fuel tube connector.

11. INSTALL NO. 2 WATER BY-PASS PIPE

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12. INSTALL EGR VALVE ASSEMBLY

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13. INSTALL THROTTLE BODY WITH MOTOR ASSEMBLY

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14. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL

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15. INSPECT FOR FUEL LEAK

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16. PERFORM INITIALIZATION

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

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