Assembly Procedure

Install the fuel tank baffles. Refer to Fuel Tank Baffle Replacement .
Install the fuel tank heat shield. Refer to Fuel Tank Heat Shield Replacement .

Fig 1: Removing Fuel Filter From Fuel Filter Bracket

Courtesy of GENERAL MOTORS COMPANY

Install the fuel filter (2) at the fuel filter bracket (1).

Fig 2: Fuel Pump Module Lock Ring

Courtesy of GENERAL MOTORS COMPANY

Install a NEW fuel pump module seal (3).
Install the fuel pump module (2).
Install the fuel pump module lock ring (1).

Fig 3: Fuel Pump Module Lock Ring

Courtesy of GENERAL MOTORS COMPANY

Install the EN-48279 remover/installer (1) to the fuel pump module lock ring (2).

NOTE:

Do NOT use impact tools. Significant force will be required to release the lock ring. The use of a hammer and screwdriver is not recommended. Secure the fuel tank in order to prevent fuel tank rotation.

Using the EN-48279 remover/installer and a long breaker-bar, rotate the lock ring in a clockwise direction in order to lock the lock ring.

Fig 4: Removing Fuel Feed Pipe From Fuel Tank Fuel Pump Module

Courtesy of GENERAL MOTORS COMPANY

Remove the EN-6015 plugs from all connections.
Install the fuel return pipe (2) to the fuel tank fuel pump module (4). Refer to Plastic Collar Quick Connect Fitting Service .
Install the fuel feed pipe (1) to the fuel tank fuel pump module (4) and to the fuel filter housing (3). Refer to Plastic Collar Quick Connect Fitting Service .