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Home >> Acura >> 2018 >> RLX Base >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Engine Control System / Engine Mechanical - Service Information (Except Hybrid) >> Removal And Installation >> Injector Removal And Installation >> Installation

Injector Removal And Installation: Installation

NOTE:  When replacing the fuel injector, always replace all three injectors on the same bank as a set.

  1. Injector Seal - Install
    GHH346030Courtesy of HONDA, U.S.A., INC.
    		 1. With a paper towel, carefully wipe off any carbon from the area (A) shown.

    NOTE: 

    • Do not wipe off the tip area (B) of the injector as it may damage it.
    • If the tip of the injector is dirty or clogged, it must be replaced. The injectors cannot be cleaned.
    GHH346031Courtesy of HONDA, U.S.A., INC.
    		 2. Install the sizing tool (A) to the injector (B) as shown.

    NOTE:  Do not touch the tool to the top of the injector.
    GHH346032Courtesy of HONDA, U.S.A., INC.
    		 3. Install the seal guide (A) over the tip of the injector (B) as shown.
    GHH346033Courtesy of HONDA, U.S.A., INC.
    		 4. Slide a new seal (A) on the seal guide as shown.
    GHH346034Courtesy of HONDA, U.S.A., INC.
    		 5. Slide the seal installer (A) onto the seal guide, then quickly push the seal down to the groove (B) of the injector.

    6. Remove the seal guide and seal installer from the injector.
    GHH346035Courtesy of HONDA, U.S.A., INC.
    		 7. Move the sizing tool and align the top of the injector surface (A) and the tool's inner surface (B) as shown, and hold the tool to reform the seal for 30 seconds or more.

    NOTE:  Make sure the seal (C) is not deformed when moving the tool.
    GHH346036Courtesy of HONDA, U.S.A., INC.
    		 8. Remove the sizing tool, and check that the seal is installed correctly.

    NOTE:  When cleaning the sizing tool and the seal guide, be careful not to scratch the sizing tool bore or the surface of the seal guide.
  2. Injector - Install
    GHH346037Courtesy of HONDA, U.S.A., INC.
    		 1. Install a new back-up ring (A) and a new O-ring (B) to the injector (C).

    NOTE: 

    • Set the direction of the back-up ring as shown
    • Check that the back-up ring sets correctly after installation.

    2. Coat the O-ring with clean engine oil, then install the injector onto the fuel pipe (D) with a new clip (E).

    NOTE:  When installing the injector, be sure to protect the injector from dust or debris.
  3. Fuel Pipe and Fuel Injector - Install
    Fig 1: Fuel Pipe and Fuel Injector With Torque Specifications
    GHH346038Courtesy of HONDA, U.S.A., INC.
    1. Coat the injector hole on the cylinder head (A) with clean engine oil.

    2. Carefully install the fuel pipes (B) with the injectors to the cylinder head straight and equal.

    NOTE:  When installing the injector, protect tip of the injector from dust or debris.

    3. Install the nuts (C), and tighten them slowly in an alternate pattern until the fuel pipe sits on the cylinder head.

    4. Tighten the nuts and the bolts (D) to the specified torque.

    5. Connect the injector connectors (E) and the fuel pressure sensor connector (F).
  4. Fuel Joint Pipe - Install

    Install a new fuel joint pipe .

  5. Fuel Leak - Check

    Do the fuel line inspection, and check the fuel leakage .

  6. High Pressure Fuel Pump Cover - Install

    Install the high pressure fuel pump cover .

  7. Intake Manifold Base and Intake Manifold - Install

    Install the intake manifold base and the intake manifold .

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