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Home >> Chevrolet >> 2014 >> Impala LS >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.5L (LKW) - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Fuel Injection Fuel Rail Noise Shield
    GM2726736Courtesy of GENERAL MOTORS COMPANY
  1. Remove the fuel injection fuel rail noise shield (1). Refer to Fuel Injection Fuel Rail Noise Shield Replacement .
  2. Remove the fuel feed intermediate pipe. Refer to Fuel Feed Intermediate Pipe Replacement .
  3. Remove the fuel injection fuel rail pressure sensor. Refer to Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement .
  4. Disconnect the electrical harness from the fuel rail harness connection.
  5. Remove the fuel rail assembly retaining bolts and upper rubber grommets, if necessary.
    6. Fig 2: Identifying Fuel Rail Assembly Remover Studs
    GM2726738Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  6. Install EN-49248   studs (1) into the 2 outermost fuel rail assembly retaining bolt locations. Tighten the studs to 22 (16 lb ft).
  7. 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.
    8. Fig 3: Removing Fuel Rail Assembly Using Fuel Rail Assembly Remover
    GM2726737Courtesy 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.
  8. Using EN-49248  remover, remove the fuel rail assembly.
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