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Home >> Jeep >> 2011 >> Wrangler Sahara, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Delivery, Gas >> Rail, Fuel >> Installation >> Installation

Rail, Fuel: Installation: Installation

  1. If fuel injectors are to be installed, refer to INSTALLATION  .
  2. Clean out fuel injector machined bores in intake manifold.
  3. Apply a small amount of engine oil to each fuel injector O-ring. This will help in fuel rail installation.
  4. Position fuel rail/fuel injector assembly to machined injector openings in cylinder head.
  5. Guide each injector into cylinder head. Be careful not to tear injector O-rings.
  6. Push right  side of fuel rail down until fuel injectors have bottomed on cylinder head shoulder. Push left  fuel rail down until injectors have bottomed on cylinder head shoulder.
    Fig 1: Fuel Rail 3.8L
    GC0131117Courtesy of CHRYSLER GROUP, LLC
  7. Install four fuel rail mounting bolts (2) and tighten. Refer to SPECIFICATIONS  .
  8. Connect fuel line latch clip (4) and fuel line to fuel rail.
    Fig 2: Connecting Electrical Connectors
    GC0080396Courtesy of CHRYSLER GROUP, LLC
  9. Connect electrical connectors at fuel injectors. Refer to graphic. Push connector onto injector (1) and then push and lock red colored slider (2). Verify connector is locked to injector by lightly tugging on connector.
  10. Install upper half of intake manifold. Refer to 2.4L ENGINE - SERVICE INFORMATION or 3.6L ENGINE - SERVICE INFORMATION .
  11. Connect battery cable to battery.
  12. Start engine and check for leaks.