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Home >> Buick >> 2015 >> Regal Base, 2.4L Eng VIN K >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.4L - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Removal Procedure

Removal Procedure

  1. Relieve the fuel pressure. Refer to Fuel Pressure Relief (High Side) .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement (LEA) .
  3. Remove and DISCARD the fuel feed pipe. Refer to Fuel Feed Pipe Replacement .
    4. Fig 1: Fuel Rail
    GM2591691Courtesy of GENERAL MOTORS COMPANY
  4. Loosen the fuel injection fuel rail fasteners then remove them from the fuel rail (1).
    5. Fig 2: Electrical Harness And Fuel Rail Harness
    GM2591688Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the electrical harness from the fuel rail harness connection.
  6. Disconnect all 4 fuel injector electrical connections.
    7. NOTE:

    Use care to avoid contact with the fuel rail harness during special tool installation and fuel rail removal.

  7. Install EN-49248  studs (1) into the 2 center fuel rail assembly retaining bolt locations.
    8. CAUTION:

    Refer to Fastener Caution .

  8. Tighten the studs to 22 N.m (16 lb ft)
  9. Install EN-49248  remover (2) onto each stud, and engage the hooks to the fuel rail. Install the nuts (3) retaining the remover onto the studs and tighten until snug.
    10. Fig 3: Fuel Rail Assembly Remover
    GM2206996Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    EN-49248 will assist in the proper removal of the fuel rail assembly. Ensure that the following conditions are met:

    • Turn the handles simultaneously in order to pull the fuel rail straight out along the fuel injector axis.
    • DO NOT twist when pulling out on the fuel rail and injector assembly.
  10. Using EN-49248  remover , remove the fuel rail assembly (1).
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