LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Mechanical) >> Removal And Installation >> Fuel Injector And Fuel Tube >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Put a "CAUTION: FLAMMABLE" sign in the workshop.
  • Be sure to work in a well ventilated area and furnish workshop with a CO 2 fire extinguisher.
  • Do not smoke while servicing fuel system. Keep open flames and sparks away from the work area.
  • To avoid the danger of being scalded, do not drain engine coolant when engine is hot.
CAUTION:
  • Apply new engine oil when installing the parts as specified to do so.
  • Do not remove or disassemble parts unless instructed as shown, below.
NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
  1. Release the fuel pressure. Refer to Work Procedure .
  2. Disconnect the battery negative terminal. Refer to Battery Disconnect .
  3. Remove intake manifold collector. Refer to Removal and Installation .
  4. When separating fuel feed hose and fuel tube connection, disconnect quick connector using tool as follows:

    Tool number

    : 16441 6N210 (J-45488)

    1. Remove quick connector cap from quick connector.
    2. Disconnect quick connector from fuel tube as follows:
      CAUTION: Disconnect quick connector by special service tool, not by picking out retainer tabs.
      1. With the sleeve side of Tool facing toward the quick connector, install the Tool onto fuel tube.
      2. Insert the Tool (A) into quick connector (2) until sleeve (B) contacts and goes no further. Hold Tool on that position.
        GNSJPBIA0033Z-033Courtesy of NISSAN NORTH AMERICA, INC.

        (C)

        : Insert and retain

        CAUTION: Inserting Tool hard will not disconnect quick connector. Hold quick connector release where it contacts and goes no further.
      3. Draw and pull out quick connector straight from fuel tube (1).
        CAUTION:
        • Do not reuse O-ring.
        • Pull quick connector (E) holding position (D) as shown, below.
        • Do not pull with lateral force applied. O-ring inside quick connector may be damaged.
        • Prepare container and cloth beforehand as fuel will leak out.
        • Avoid fire and sparks.
        • Keep parts away from heat source. Especially, be careful when welding is performed around them.
        • Do not expose parts to battery electrolyte or other acids.
        • Do not bend or twist connection between quick connector and fuel feed hose (with damper) during installation/removal.
        • To keep clean the connecting portion and to avoid damage and foreign materials, cover them completely with plastic bags, etc. (A) or something similar.
          GNSJPBIA0035Z-035Courtesy of NISSAN NORTH AMERICA, INC.
  5. Disconnect harness connector from fuel injector.
  6. Loosen bolts in reverse order as shown below, and remove fuel tube and fuel injector assembly.
    Fig 1: Fuel Tube And Fuel Injector Assembly Bolt Tightening Sequence
    GNSAWBIA2225Z-225Courtesy of NISSAN NORTH AMERICA, INC.

    SYMBOL

    : Engine front

    CAUTION: Do not tilt fuel tube, or remaining fuel in pipes may flow out from pipes.
  7. Remove fuel injector from fuel tube as follows:
    1. Open and remove clip (1).
      GNSJPBIA1958Z-958Courtesy of NISSAN NORTH AMERICA, INC.

      (3)

      : O-ring (green)

      (4)

      : O-ring (black)

      (A)

      : Installed condition

      (B)

      : Clip groove

    2. Remove fuel injector (2) from fuel tube (5) by pulling straight.
      CAUTION:
      • Do not reuse O-rings.
      • Be careful with remaining fuel that may go out from fuel tube.
      • Be careful not to damage injector nozzle during removal.
      • Do not bump or drop fuel injector.
      • Do not disassemble fuel injector.
  8. Remove fuel damper from fuel tube, (if necessary).