EXHAUST FUEL ADDITION INJECTOR REMOVAL

CAUTION / NOTICE / HINT

CAUTION:

To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.

B0068EY

PROCEDURE


  1. DRAIN ENGINE COOLANT

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  2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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  3. REMOVE NO. 1 FUEL PIPE


    1. B0028JB

      Remove the bolt, union bolt and gasket and disconnect the No. 1 fuel pipe from the cylinder head cover sub-assembly and exhaust fuel addition injector assembly.

    2. B0028O8

      Disconnect the No. 4 fuel pipe and remove the No. 1 fuel pipe.

  4. DISCONNECT NO. 4 WATER BY-PASS HOSE

    CAUTION:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.


    1. B0026CE

      Slide the clamp and disconnect the No. 4 water by-pass hose from the No. 1 injector holder.

  5. DISCONNECT NO. 5 WATER BY-PASS HOSE

    CAUTION:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.


    1. Slide the clamp and disconnect the No. 5 water by-pass hose from the No. 1 injector holder.

  6. REMOVE NO. 1 INJECTOR HOLDER

    CAUTION:

    To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.


    1. B00252E

      Remove the connector from the exhaust fuel addition injector assembly.

    2. B0024Z4

      Remove the 3 nuts and No. 1 injector holder from the exhaust manifold.

  7. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR


    1. B0025F9

      Remove the 3 nuts and No. 2 exhaust manifold heat insulator from the No. 1 injector holder.

    2. Remove the gasket.

  8. REMOVE INJECTOR HOLDER


    1. B0028IY

      Remove the 2 bolts and injector holder from the No. 1 injector holder.

  9. REMOVE NO. 2 NOZZLE HOLDER CLAMP


    1. B0025XP

      Using a T40 "TORX" socket wrench, remove the bolt and No. 2 nozzle holder clamp from the No. 1 injector holder.

  10. REMOVE EXHAUST FUEL ADDITION INJECTOR ASSEMBLY


    1. B002455

      Remove the exhaust fuel addition injector assembly from the No. 1 injector holder.

    2. B0027M5

      Remove the gasket from the No. 1 injector holder.

    3. B0026H9

      Remove the E-ring from the exhaust fuel addition injector assembly.

    4. B0025JF

      Remove the No. 3 fuel injector back-up ring, O-ring, No. 2 fuel injector back-up ring and No. 1 fuel injector back-up ring from the exhaust fuel addition injector assembly.