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RAIL, Fuel: Removal: 6.1L

WARNING: The fuel system is under constant pressure even with engine off. Before servicing fuel rail, fuel system pressure must be released.
Fig 1: Fuel Rail - 6.1L
GC0080398Courtesy of CHRYSLER LLC
CAUTION: The left (3) and right (1) fuel rails are replaced as an assembly. Do not attempt to separate rail halves at connector tube (2). Due to design of tube, it does not use any clamps. Never attempt to install a clamping device of any kind to tube. When removing fuel rail assembly for any reason, be careful not to bend or kink tube.
  1. Remove fuel tank filler tube cap.
  2. Perform Fuel System Pressure Release Procedure. Refer to FUEL SYSTEM PRESSURE RELEASE .
  3. Remove negative battery cable at battery.
  4. Remove flex tube (air cleaner housing to engine).
    Fig 2: Locating Manifold Air Pressure MAP Sensor - 6.1L
    GC0080399Courtesy of CHRYSLER LLC
  5. Remove electrical connector from MAP sensor (2) at rear of intake manifold (1).
  6. Disconnect vacuum hose from fitting (3) at rear of intake manifold (1).
    Fig 3: Fuel Line At Fuel Rail Fitting- 6.1L
    GC0080400Courtesy of CHRYSLER LLC
  7. Disconnect fuel line (1) at fuel rail fitting. For procedures, refer to QUICK-CONNECT FITTINGS .
    Fig 4: Fuel Injector Electrical Connector (Red)
    GC0080401Courtesy of CHRYSLER LLC
  8. Disconnect electrical connectors at all 8 fuel injectors. First, pry up on red colored tab (2).
  9. Press on black colored tab (1) while removing connector (2) from fuel injector (3).
    Fig 5: Fuel Rail Mounting - 6.1L
    GC0080397Courtesy of CHRYSLER LLC
  10. Remove four fuel rail mounting bolts (1).
  11. Gently rock and pull left  side of fuel rail until fuel injectors just start to clear machined holes in intake manifold. Gently rock and pull right  side of rail until injectors just start to clear intake manifold head holes. Repeat this procedure (left/right) until all injectors have cleared machined holes.
  12. Remove fuel rail (with injectors attached) from engine.
  13. If fuel injectors are to be removed, refer to INJECTOR(S), Fuel  for removal/installation procedures.