GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 17073  Size: SH

    Caution: In order to reduce the risk of fire and personal injury that may result from a fuel leak, always replace the fuel sender gasket when reinstalling the fuel sender assembly.

  1. Disconnect the negative battery cable.
  2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure.
  3. Drain the fuel tank. Refer to Draining Fuel Tank.
  4. Remove the filler door bezel attaching screws (9) and the filler door bezel (8).
  5. Lift the fuel tank filler pipe housing (3) and disconnect the drain hose (6) from the nipple (5).
  6. Remove the fuel tank filler pipe housing (3).
  7. Clean all the fuel connections and the surrounding areas before disconnecting the hoses in order to avoid possible contamination of the fuel system.
  8. Disconnect the fuel hoses and the EVAP hose from the fuel sender assembly.
  9. Plug or pinch the fuel feed and return hoses.
  10. Disconnect the fuel sender electrical connector.
  11. Remove the fuel sender assembly attaching screws (7), the fuel sender assembly (2), and the gasket (1). Discard the gasket.
  12. Clean the gasket sealing surfaces.
  13. Inspect the fuel feed hose, the fuel return hose, and the EVAP hose for cuts, nicks, swelling, or distortion. Replace the hoses if necessary.

Installation Procedure


    Object Number: 17073  Size: SH
  1. Position the new gasket on the fuel tank with the notch facing forward in the right corner of the fuel tank.
  2. Carefully fold the strainer to allow it to fit through the opening in the fuel tank. Make sure the strainer unfolds once it is placed in the tank.
  3. Install the fuel sender assembly (2) into the fuel tank.
  4. Install the fuel sender assembly attaching screws (7).
  5. Tighten
    Tighten the fuel sender assembly attaching screws alternately and evenly to 4.5 N·m (40 lb in).

  6. Connect the fuel sender electrical connector.
  7. Connect the fuel hoses and the EVAP hose.
  8. Tighten
    Tighten the hose clamps to 1.6 N·m (14 lb in).

  9. Connect the fuel drain hose (6) to the nipple (5) on the filler pipe housing (3), then position the filler pipe housing (3) around the fuel tank filler pipe.
  10. Install the filler door bezel (8) and the attaching screws (9).
  11. Tighten
    Tighten the filler door bezel screws to 2 N·m (18 lb in).

  12. Add fuel.
  13. Install the fuel filler cap.
  14. Connect the negative battery cable.
  15. Inspect for leaks.
  16. 12.1. Turn the ignition switch ON for 2 seconds.
    12.2. Turn the ignition switch OFF for 10 seconds.
    12.3. Turn the ignition switch ON.
    12.4. Check for fuel leaks.