GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Warning: Refer to Gasoline/Gasoline Vapors Warning in the Preface section.

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


    Object Number: 1240825  Size: SH
  1. Start the engine and remove the rear seat cushion.

  2. Object Number: 1240833  Size: SH
  3. Remove the fuel pump access cover.
  4. Disconnect the fuel pump assembly electrical connector lock pin.
  5. Disconnect the fuel pump assembly electrical connector.
  6. Crank the engine for an additional 10 seconds.
  7. Relieve the fuel system pressure.

  8. Object Number: 1240846  Size: SH
  9. Disconnect the fuel outlet and fuel tank return lines from the fuel pump.

  10. Object Number: 1240856  Size: SH
  11. Remove the fuel pump assembly from the tank.

  12. Object Number: 1225055  Size: SH
  13. Remove the fuel pump assembly (2).
  14. Remove the fuel pump gasket (3).

Installation Procedure


    Object Number: 1225055  Size: SH
  1. Install the fuel pump gasket (3).
  2. Install the fuel pump assembly (2).
  3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1240856  Size: SH
  4. Install the fuel pump assembly to the tank and tighten the bolts to 3-4 N·m (27-35 lb in).
  5. Connect the fuel return and the fuel outlet line to the fuel pump.

  6. Object Number: 1240833  Size: SH
  7. Connect the fuel pump assembly electrical connector and lock pin.
  8. Install the fuel pump access cover.
  9. Perform an operational check of the fuel pump.