GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the modular fuel sender assembly from the fuel tank. Refer to Fuel Sender Assembly Replacement .

  2. Object Number: 1372255  Size: SH
  3. Use a flat blade driver to assist removal of the fuel level sender assembly harness connector from underneath the modular fuel pump and sender assembly cover.

  4. Object Number: 1372256  Size: SH
  5. Use a flat blade driver to assist removal of the fuel pump harness connector from underneath the modular fuel pump and sender assembly cover .

  6. Object Number: 1372257  Size: SH
  7. Press in the tang retaining the fuel pump connector on the fuel pump and filter assembly, then remove the connector.

  8. Object Number: 1372259  Size: SH
  9. Remove the modular fuel pump and sender assembly cover from the reservoir.
  10. Remove the fuel pressure regulator.

  11. Object Number: 1372261  Size: SH
  12. Pry open both tangs securing the fuel outlet connector to the bottom of the motor and filter assembly , then remove the fuel outlet pipe from the motor and filter assembly.

  13. Object Number: 1372262  Size: SH
  14. Push the motor and filter assembly down the spring shafts and remove the circlip (only one shaft is fitted with a circlip) from the end of the shaft.
  15. Clamp the protruding end of the modular fuel pump in a soft jawed vice to support the fuel filter and pump assembly in place.
  16. Important: Do not over tighten the vice grips as this may damage the fuel pump.


    Object Number: 1372250  Size: SH
  17. Insert a pair of medium sized flat bladed screwdrivers through each of the service holes in the fuel filter assembly.
  18. Firmly slide the blade between the fuel pump end cap and the internal fuel filter clips that hold the fuel pump in place.
  19. Push the screwdrivers in far enough so that the internal fuel filter clips are deflected just free of each of the fuel pump end cap retainer shoulders.

  20. Object Number: 1372251  Size: SH
  21. Hold the screwdrivers in place with one hand, and move the fuel filter assembly in an upward direction to separate it from the fuel pump.
  22. Remove the fuel pump assembly.
  23. Remove the black ground wiring bridge from the fuel filter assembly.

Installation Procedure

  1. Install the black ground wiring bridge to the fuel filter assembly.
  2. Push the fuel pump assembly in the fuel filter housing, until it locks in place.

  3. Object Number: 1372262  Size: SH
  4. Push the motor and filter assembly down the spring shafts and install the circlip (only one shaft is fitted with a circlip) to the end of the shaft.

  5. Object Number: 1372261  Size: SH
  6. Install the fuel outlet connector to the bottom of the motor and filter assembly.
  7. Install the fuel pressure regulator.

  8. Object Number: 1372259  Size: SH
  9. Install the modular fuel pump and sender assembly cover to the reservoir.

  10. Object Number: 1372257  Size: SH
  11. Install the fuel pump connector on the fuel pump and filter assembly.

  12. Object Number: 1372256  Size: SH
  13. Install the fuel pump harness connector to the modular fuel pump and sender assembly cover.

  14. Object Number: 1372255  Size: SH
  15. Install the fuel level sender assembly harness connector to the modular fuel pump and sender assembly cover.
  16. Install the modular fuel sender assembly in the fuel tank. Refer to Fuel Sender Assembly Replacement .