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.

B003QVR

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. B003KTM

      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. B003RYD

      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. B003J6I

      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. B003KPD

      Remove the connector from the exhaust fuel addition injector assembly.

    2. B003P5R

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

  7. REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR


    1. B003NWF

      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. B003KPX

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

  9. REMOVE NO. 2 NOZZLE HOLDER CLAMP


    1. B003OOQ

      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. B003NM0

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

    2. B003M5X

      Remove the gasket from the No. 1 injector holder.

    3. B003R4J

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

    4. B003NX4

      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.