GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the joints.


    Object Number: 50636  Size: SH
  1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief .
  2. Important: The modular fuel sender support assembly will spring-up when the snap ring is removed.

  3. Remove the modular fuel sender assembly (2). Refer to Fuel Sender Assembly Replacement .
  4. Note the position of the fuel sender strainer for installation.
  5. Support the reservoir with one hand and grasp the fuel sender strainer with the other hand.
  6. Remove the fuel sender strainer (4).
  7. Remove the electrical connectors from the sensor assembly of the fuel pump and the cover assembly.
  8. Remove the fuel level sensor assembly (5).
  9. Remove the fuel tank pressure sensor (7). Refer to Fuel Tank Pressure Sensor Replacement .

Installation Procedure


    Object Number: 50636  Size: SH
  1. Install the fuel tank pressure sensor (7). Refer to Fuel Tank Pressure Sensor Replacement .
  2. Install the level sensor assembly (5).
  3. Install the electrical connectors to the fuel pump and the cover assembly.
  4. Install the fuel sender strainer (4).
  5. Position the new fuel sender strainer on the modular fuel sender and push on the outer edge of the fuel sender strainer until the fuel sender strainer is fully seated.
  6. Install the modular fuel sender assembly (2). Refer to Fuel Sender Assembly Replacement .
  7. Add fuel and install the fuel tank filler pipe cap.