GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Aveo 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Fuel Injection Fuel Rail Assembly Replacement

Removal Procedure

    Caution: Refer to Fuel Pressure Caution in the Preface section.

  1. Relieve the fuel pressure system. Refer to Fuel Pressure Relief.

    2. Warning: Refer to Battery Disconnect Warning in the Preface section.

  2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  3. Disconnect the injector connectors.

    4. Object Number: 2049240 Size: SH
  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. Object Number: 2049242 Size: SH
  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.

Installation Procedure

    Object Number: 2049242 Size: SH
  1. Install the fuel injector O-rings.
  2. Connect fuel injectors (3) to the fuel rail (1).
  3. Install the fuel injector retainer clips (2).

    4. Object Number: 2049240 Size: SH
  4. Install the fuel rail (2) with the injectors to the intake manifold.

    5. Caution: Refer to Fastener Caution in the Preface section.

  5. Install the fuel rail bolts (1).

    6. Tighten
    Tighten the fuel rail tightening bolt to 8 N·m (70.8 lb in).

  6. Connect the fuel line from the fuel rail and put a dust cap to avoid strange materials.
  7. Connect the fuel injector connectors.
  8. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.