Removal Procedure

Remove the fuel pump module assembly. Refer to Fuel Pump Module Replacement .
Remove the fuel pump and fuel level sensor electrical retaining clip at the top of the fuel sender assembly.
Disconnect the fuel pump and fuel level sensor electrical connector.

Fig 1: Depressing Upper Fuel Reservoir Retaining Tabs

Courtesy of GENERAL MOTORS CORP.

Depress the 3 tabs (1) securing upper fuel reservoir and slide upward until free of lower reservoir (2).

Fig 2: Depressing Fuel Level Sensor Retaining Tab

Courtesy of GENERAL MOTORS CORP.

Depress the tab on the fuel level sensor (1) while sliding up and out of the housing.
Remove the retaining clip from the electrical connector.
Remove the fuel level sensor wires from the connector, taking care to note the location of the wires.