GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: There are 2 fuel level sensor assemblies in the fuel tank. There is one located on each fuel pump module. The fuel level sensors are NOT the same for each of the fuel pump modules.


    Object Number: 1885401  Size: SH
  1. Remove the fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement - Secondary.
  2. Disconnect the fuel level sender electrical connector (1) from the fuel tank fuel pump module cover.
  3. Remove the fuel level sensor wiring from the retaining feature (2) on the fuel tank fuel pump module.

  4. Object Number: 1885402  Size: SH
  5. Push in the fuel level sensor retainers (1), in order to disengage the retainers from the module.
  6. Slide the fuel level sensor (2) up, out of the fuel tank fuel pump module.

Installation Procedure


    Object Number: 1885402  Size: SH
  1. Position the fuel level sensor (2) to the fuel tank fuel pump module.
  2. Push the fuel level sensor down until the retainers (1) engage the fuel tank fuel pump module.

  3. Object Number: 1885401  Size: SH
  4. Connect the fuel level sender electrical connector (1) to the fuel tank fuel pump module cover.
  5. Install the fuel level sensor wiring to the retaining feature (2) on the fuel tank fuel pump module.
  6. Install the fuel pump module. Refer to Fuel Tank Fuel Pump Module Replacement - Secondary.