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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 813 (Engine Mechanical) >> Fuel Injector And Fuel Tube >> Removal and Installation >> Removal

Removal and Installation: Removal

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. 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 CO2 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.
  1. Remove intake manifold collector. Refer to "REMOVAL ".
    CAUTION: Perform this step when engine is cold.
  2. Disconnect the fuel quick connector on the engine side.
    • Using Tool perform the following steps to disconnect the quick connector.

      Tool number : - (J-45488) 

    1. Remove quick connector cap.
      Fig 1: Identifying Quick Connector Cap
      G04894022Courtesy of NISSAN MOTOR CO., U.S.A.
    2. With the sleeve side of Tool facing quick connector, install Tool onto fuel tube.
      Fig 2: Identifying Tool Onto Fuel Tube
      G04894023Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Insert Tool into quick connector until sleeve contacts and goes no further. Hold the Tool on that position.
      CAUTION: Inserting the Tool hard will not disconnect quick connector. Hold Tool where it contacts and goes no further.
    4. Pull the quick connector straight out from the fuel tube.
      CAUTION:
      • Pull quick connector holding it at the "A" position, 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.
      • Be sure to cover openings of disconnected pipes with plug or plastic bag to avoid fuel leakage and entry of foreign materials.
      Fig 3: Covering Connecting Portion With Plastic Bags
      G04878274Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove PCV hose between rocker covers (right and left banks).
  4. Disconnect harness connector from fuel injector.
  5. Loosen bolts in reverse order as shown below, and remove fuel tube and fuel injector assembly.
    CAUTION: Do not tilt it, or remaining fuel in pipes may flow out from pipes.
    Fig 4: Fuel Tube And Fuel Injector Assembly Bolts (With Tightening Sequence)
    G04894025Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove bolts which connects fuel tube (RH) and fuel tube (LH).
  7. Remove fuel injector from fuel tube as follows:
    1. Carefully open and remove clip.
    2. Remove fuel injector from fuel tube by pulling straight.
      CAUTION:
      • Be careful with remaining fuel that may go out from fuel tube.
      • Be careful not to damage injector nozzles during removal.
      • Do not bump or drop fuel injector.
      • Do not disassemble fuel injector.
      Fig 5: Identifying Fuel Injector
      G04894026Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Disconnect fuel tube (RH) from fuel tube (LH).
  9. Loosen bolts, to remove fuel damper cap and fuel damper, if necessary.
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