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Home >> Dodge and Ram >> 2017 >> Challenger SXT >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Injection, Gas >> Injector(S), Fuel >> Removal >> 3.6L

Injector(S), Fuel: Removal: 3.6L

WARNING:

The fuel system is under constant pressure even with engine off. Before servicing the fuel rail, fuel system pressure must be released.

  1. Perform the fuel pressure release procedure. Refer to FUEL DELIVERY, GAS, STANDARD PROCEDURE .
  2. Disconnect and isolate the negative battery cable.
    GC0144028Courtesy of CHRYSLER GROUP, LLC
  3. Lift the engine cover retaining grommets off the ball studs and remove the engine cover (1).
    GC0144029Courtesy of CHRYSLER GROUP, LLC
  4. Disconnect the electrical connector (1) from the Inlet Air Temperature (IAT) sensor.
  5. Loosen the clamp (2) at the throttle body.
  6. Loosen the clamp (3) at the air cleaner housing.
  7. Lift the air inlet hose assembly retaining grommet off the ball stud (4).
  8. Remove the air inlet hose assembly (5).
    GC0144187Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    When removing the fuel rail from the lower intake manifold, one or more fuel injectors may remain in the intake manifold resulting in residual fuel spilling onto the engine from the fuel rail.

  9. Remove the upper intake manifold and fuel rail (2). Refer to RAIL, FUEL, REMOVAL .
    GC0144241Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Number 2 fuel injector removal shown, all other fuel injectors similar.

  10. Remove the fuel injectors (1) from the fuel rail (2).
    GC0144262Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Number 2 fuel injector removal shown, all other fuel injectors similar.

  11. Remove the fuel injectors (1) from the lower intake manifold.
    GC0144263Courtesy of CHRYSLER GROUP, LLC
  12. Remove and discard all fuel injector O-ring seals (1).