Installation Procedure

Install a NEW fuel pump module-to-fuel tank seal (1).
IMPORTANT: The reservoir must be tipped slightly during installation to avoid bending the fuel level sensor float arm.

Fig 1: Identifying Fuel Pump Module-To-Fuel Tank Seal

Courtesy of GENERAL MOTORS CORP.

Tilt the pump module toward the rear of the fuel tank to enable the level sensor float arm to clear the tank opening. Install the fuel pump module to the fuel tank.
Slowly lower the fuel pump module assembly into the tank. Ensure that the fuel level sensor harness connector is positioned properly.
Install the fuel pump module retaining lock ring over the module pipes and electrical harness, and into position on the top of the module.

Fig 2: View Of Fuel Pump Module Retaining Lock Ring

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IMPORTANT: Ensure that the fuel pump module retaining lock ring is fully seated within the fuel tank retaining tab slots.

Using the SA9156E , or J 39765 (1), carefully rotate to fully secure the fuel pump module retaining lock ring. See Special Tools and Equipment .

Fig 3: Using SA9156E Or J 39765 To Lock/Unlock Fuel Pump Module Retaining Ring

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Connect the fuel pump module harness electrical connector to the fuel tank pressure sensor.

Fig 4: View Of Fuel Pump Module And Fuel Tank Pressure Sensor Electrical Connectors

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Secure the fuel pump module electrical harness into the retaining slot on the tank.

IMPORTANT: Ensure that the fuel tank rear shield is positioned properly on the pump module pipe retainer.

Secure the retaining tab on the fuel tank retainer used to secure the fuel pump module pipes in position on the tank.
Install the fuel tank. Refer to Fuel Tank Replacement .