GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 889989  Size: SH
  1. Remove the fuel pump module assembly. Refer to Fuel Pump Module Replacement .
  2. Remove the pressure regulator assembly (1). When looking at the module with the level sensor facing the technician, rotate the pressure regulator assembly clockwise.
  3. Disconnect the fuel level sensor harness (2) from the flange by depressing the tab on the end and sliding the connector from its seat.
  4. Remove the fuel level sensor (3) by depressing the 2 tabs.
  5. Carefully slide the level sensor the rest of the way off of the pump module.

Installation Procedure


    Object Number: 889989  Size: SH
  1. Carefully slide the fuel level sensor into the slots on the fuel pump module bowl.
  2. Insert the retaining tab (2) on the sensor into the slot on the pump module bowl until the tab clicks into place.
  3. Reconnect the fuel level sensor harness (2).
  4. Reinstall the pressure regulator assembly.
  5. Install the fuel pump module assembly. Refer to Fuel Pump Module Replacement .