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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Engine Mechanical - 2.5L) >> Fuel Injector And Fuel Tube >> Removal and Installation >> Installation

Removal and Installation: Installation

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install new O-rings on the fuel injector.
    • Lubricate the O-rings lightly with new engine oil. 
    • Be careful not to scratch it during installation. Also be careful not to twist or stretch the O-ring. If the O-ring was stretched while it is attached, do not insert it into the fuel tube immediately. 
  2. Install the fuel injector into the fuel tube with the following procedure:
    • Do not reuse the clip, replace it with a new one.
    • Insert the new clip into the clip mounting groove on fuel injector.
  3. Insert the clip so that projection "A" of fuel injector matches notch "A" of the clip.
    • Insert fuel injector into fuel tube with clip attached.
    • Fig 1: Installing Fuel Injector
      G02110304Courtesy of NISSAN MOTOR CO., U.S.A.
    • Insert it while matching it to the axial center.
    • Insert fuel injector so that projection "B" of fuel injector matches notch "B" of the clip.
    • Make sure that fuel tube flange is securely fixed in flange fixing groove on the clip.
    • Make sure that installation is complete by checking that fuel injector does not rotate or come off.
  4. Install fuel tube assembly.
    1. Insert the tip of each fuel injector into intake manifold.
    2. Tighten the mounting bolts in two steps in the numerical order shown. See Figure.
    1. Fuel tube bolt tightening 1st step :9.3 - 10.8 N.m (0.95 - 1.1 kg-m, 83 - 95 in-lb) 
    2. Fuel tube bolt tightening 2nd step :20.6 - 26.5 N.m (2.1 - 2.7 kg-m, 16 - 19 ft-lb) 
    CAUTION:
    • After properly connecting fuel tube assembly to injector and fuel hose, check connection for fuel leakage.
  5. Install the intake collector. Refer to INTAKE MANIFOLD  .
  6. Connect the fuel hose quick connector. Refer to INTAKE MANIFOLD  .
  7. Installation of the remaining components is in the reverse order of removal.