Removal and Installation: Installation

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Installation is in the reverse order of removal.
- Install new O-rings on the fuel injectors and the fuel pressure regulator.
- Lubricate the new O-rings lightly with new engine oil.
- Be careful not to scratch the injector during installation. Also be careful not to twist or stretch the O-ring. If the O-ring was stretched while it was installed, do no insert it into the fuel tube immediately.
1. 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 clip into the clip mounting groove on the fuel injector.
  - Insert clip so that projection A of fuel injector matches notch A of the clip.
2. Insert fuel injector into fuel tube with clip attached.
  - 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.
3. Install the fuel tube assembly with the following procedure:
  - Insert the tip of each fuel injector into the intake manifold.
    
    Fig 1: Identifying Fuel Injector Components
    Courtesy of NISSAN MOTOR CO., U.S.A.
  - Tighten the fuel tube mounting bolts in two stages in the numerical order. Refer to Fig 2
    Stage 1: 12 - 13 N.m (1.2 - 1.4 kg.m, 9 - 10 ft.lb)
    
    Stage 2: 17 - 23 N.m (1.7 - 2.4 kg.m, 13 - 17 ft.lb)