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Removal Procedure

    WARNING: The fuel system is under pressure. To avoid fuel spillage and the risk of personal injury or fire, it is necessary to relieve the fuel system pressure before disconnecting the fuel lines.
  1. Relieve the fuel pressure system. Refer to Fuel Pressure Relief .
    2. WARNING: Refer to Battery Disconnect Warning .
  2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  3. Disconnect the injector connectors.
    4. Fig 1: Fuel Rail & Bolts
    GM2049240Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the fuel line from the fuel rail.
  5. Remove the fuel rail bolts (1).
  6. Remove the fuel rail (2) with the injectors.
    7. Fig 2: Fuel Rail, Injectors & Retainer Clips
    GM2049242Courtesy of GENERAL MOTORS CORP.
  7. Detach the fuel injector retainer clips (2).
  8. Detach the fuel injectors (3) by pulling down and out.
  9. Discard the fuel injector O-rings.
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