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Home >> Chevrolet >> 2012 >> Camaro LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement - Bank 1 >> Removal Procedure

Removal Procedure

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
  3. Remove the intake manifold. Refer to Intake Manifold Replacement .
  4. Remove the fuel feed intermediate pipe. Refer to Fuel Feed Intermediate Pipe Replacement .
  5. Remove the foam insulator from the fuel rails.
    6. Fig 1: Fuel Pressure Sensor & Electrical Connector
    GM2497626Courtesy of GENERAL MOTORS COMPANY
  6. Cut the plastic tie strap (1).
  7. Disconnect the fuel pressure sensor electrical connector (2).
  8. Remove the fuel pressure sensor (3).
    9. Fig 2: Left Side Fuel Rail Fasteners
    GM2497627Courtesy of GENERAL MOTORS COMPANY
  9. Remove the bank 2 fuel rail fasteners (1).
    10. Fig 3: Right Side Fuel Rail Fasteners
    GM2497674Courtesy of GENERAL MOTORS COMPANY
  10. Remove the bank 1 fuel rail fasteners (1) for clearance purposes.
    11. Fig 4: Raising The Fuel Rail With Special Tool
    GM2497628Courtesy of GENERAL MOTORS COMPANY
  11. Using the EN-49248-4  hook , raise the fuel rail (1) as an assembly.
  12. Once the fuel rail is free, remove the EN-49248  special tool.
    13. Fig 5: Sliding The Fuel Rail Toward The Front Of Engine
    GM2497630Courtesy of GENERAL MOTORS COMPANY
  13. Slide the fuel rail (1) toward the front of the engine approximately 1 inch (25.4 mm), in order to clear the center injector bore.
    14. NOTE:

    The direct fuel injectors must be rebuilt whenever the injector has been released from the fuel rail or cylinder head.

  14. Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer to Fuel Rail and Injectors Cleaning and Inspection (LF1, LFW or LFX) .
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