FUEL INJECTOR(w/ Glow Plug Controller) REMOVAL

CAUTION / NOTICE / HINT

Note:

  • When replacing the injector assemblies (including exchanging the injector assemblies between the cylinders), common rail assembly, intake manifold or cylinder head sub-assembly, it is necessary to replace the injection pipe sub-assemblies with new ones.

  • When replacing the injector assemblies, supply pump assembly, common rail assembly, intake manifold or cylinder head sub-assembly, it is necessary to replace the fuel inlet pipe sub-assembly with a new one.

Tip:

After replacing any of the injector assemblies, perform both the "Injector Compensation" and the "Pilot Quantity Learning Values Reset" functions using the GTS.

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PROCEDURE

  1. REMOVE NO. 1 ENGINE COVER (w/ No. 1 Engine Cover)

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  2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY

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  3. REMOVE NO. 1 GLOW PLUG CONNECTOR

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  4. REMOVE NO. 1 VACUUM SWITCHING VALVE ASSEMBLY

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  5. REMOVE NOZZLE LEAKAGE PIPE ASSEMBLY

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  6. REMOVE NO. 1 INJECTION PIPE SUB-ASSEMBLY

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  7. REMOVE NO. 2 INJECTION PIPE SUB-ASSEMBLY

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  8. REMOVE NO. 3 INJECTION PIPE SUB-ASSEMBLY

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  9. REMOVE FUEL INLET PIPE SUB-ASSEMBLY

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  10. REMOVE NO. 4 INJECTION PIPE SUB-ASSEMBLY

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  11. REMOVE NO. 1 NOZZLE HOLDER CLAMP

    1. A349639

      Remove the 4 bolts.

    2. A349640

      Remove the 4 washers from the No. 1 nozzle holder clamps.

    3. A350654

      Remove the 4 No. 1 nozzle holder clamps from the injector assemblies and nozzle holder clamp seats.

  12. REMOVE NOZZLE HOLDER CLAMP SEAT

    1. A350655

      Remove the 4 nozzle holder clamp seats from the cylinder head sub-assembly.

  13. REMOVE INJECTOR ASSEMBLY

    1. A350656

      Remove the 4 injector assemblies from the cylinder head sub-assembly.

      Note:

      • Each injector assembly has its own fuel injection part number. When replacing the injector assemblies, store them in the correct order so that they can be returned to their original locations when reassembled.

      • Arrange the injector assemblies, No. 1 nozzle holder clamps, washers, bolts and nozzle holder clamp seats in the correct order.

  14. REMOVE INJECTION NOZZLE SEAT

    1. A350657

      Remove the 4 injection nozzle seats from the injector assemblies or cylinder head sub-assembly.

      Note:

      When removing the injector assembly, check that the injection nozzle seat is either attached to the injector assembly, or remains in the cylinder head sub-assembly.