Removal [11/2017 - ]: Procedure

Refer to REMOVAL [11/2017 - ] 

1. Using a 17 mm union nut wrench, loosen the 2 union nuts of the No. 2 fuel pipe sub-assembly.

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   Front

2. Remove the No. 2 fuel pipe sub-assembly from the fuel delivery pipe with sensor assembly LH and fuel delivery pipe RH.

1. Disconnect the fuel pressure sensor connector.

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2. Remove the bolt.

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   Front

3. Disengage the clamp to disconnect the No. 7 engine wire from the fuel delivery pipe with sensor assembly LH.
4. Remove the 2 bolts and 2 nuts.

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   	Bolt
   	Nut
   	Front

5. Using an E8 "TORX" socket wrench, remove the 2 stud bolts from the cylinder head LH.

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   Front

6. With the connectors still connected, remove the fuel delivery pipe with sensor assembly LH.

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   Front

   NOTE:

   • If fuel intrudes into the combustion chamber, there may be adverse effects to the engine main body.
   • Make sure that the fuel delivery pipe is disconnected from the fuel delivery pipe with sensor assembly LH.
   • Be extremely careful not to touch or strike the tips of the fuel injector assemblies.
   • Pull and remove the fuel delivery pipe with sensor assembly LH in a straight line without tilting it.
7. Disconnect the 3 fuel injector assembly connectors and remove the No. 7 engine wire.

1. Remove the bolt.

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   Front

2. Disengage the clamp to disconnect the No. 6 engine wire from the fuel delivery pipe RH.
3. Remove the 2 bolts and 2 nuts.

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   	Bolt
   	Nut
   	Front

4. With the connectors still connected, remove the fuel delivery pipe RH.

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   Front

   NOTE:

   • If fuel intrudes into the combustion chamber, there may be adverse effects to the engine main body.
   • Be extremely careful not to touch or strike the tips of the fuel injector assemblies.
   • Pull and remove the fuel delivery pipe RH in a straight line without tilting it.
5. Disconnect the 3 fuel injector assembly connectors and remove the No. 6 engine wire.

1. Secure the fuel delivery pipe with sensor assembly LH and fuel delivery pipe RH in a vise between aluminum plates and pull out the 6 fuel injector assemblies.

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   NOTE:

   • Pull and remove each fuel injector assembly in a straight line to avoid damaging the seal surface of the fuel delivery pipe with sensor assembly LH and fuel delivery pipe RH O-ring.
   • After removing the fuel injector assemblies, remove any O-rings, No. 1 fuel injector back-up rings and No. 3 fuel injector back-up rings remaining on the fuel delivery pipe with sensor assembly LH and fuel delivery pipe RH side.
   • Attach a tag or label with the corresponding cylinder number to each fuel injector assembly so that they can be installed to their original locations.
2. Remove the nozzle holder clamp from each fuel injector assembly.
3. Using needle nose pliers, remove the No. 3 fuel injector back-up ring from each fuel injector assembly.
   NOTE:

   Do not damage the area that contacts the O-ring.

4. Remove the O-ring and No. 1 fuel injector back-up ring from each fuel injector assembly.
5. Remove the C-ring and injector vibration insulator from each fuel injector assembly.

1. Using the tip of needle nose pliers, pinch and pull the fuel injector seal at several points to stretch it.

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   NOTE:

   • Excessively pinching the fuel injector seal may damage the groove of the fuel injector assembly.
   • If a fuel injector assembly is dropped or the tip of the fuel injector assembly is struck, replace it with a new one.
2. Remove the fuel injector seal from each fuel injector assembly.