Installation Procedure

Fig 1: View Of Fuel Tank Module Lock Ring

Courtesy of GENERAL MOTORS COMPANY

Install the fuel level sensor, if required. Refer to Fuel Level Sensor Replacement .
Install a NEW fuel tank module seal (3) onto the fuel tank.

NOTE:

The bucket must be tipped slightly during installation to avoid bending the fuel level sensor bloat arm.

Tilt the module towards the lower front corner of the fuel tank to allow the level sensor float arm to clear the tank opening. Install the module into the fuel tank.
Position and install the fuel tank module lock ring (1).

Fig 2: Identifying Lock Ring

Courtesy of GENERAL MOTORS COMPANY

Install the J 45722 fuel sender lock ring wrench to the fuel tank module lock ring.
Using the J 45722 fuel sender lock ring wrench and a long breaker-bar, rotate the lock ring clockwise locking the fuel tank module lock ring.

Fig 3: Fuel Sender Lock Ring Wrench

Courtesy of GENERAL MOTORS COMPANY

Remove the J 45722 fuel sender lock ring wrench (1) from the fuel tank module lock ring.

Fig 4: Identifying Fuel Pump Fuel Feed Line Quick Connect Fitting & Fuel Sender Wiring Harness Electrical Connector

Courtesy of GENERAL MOTORS COMPANY

Connect the fuel sender wiring harness electrical connector (3) to the fuel tank module.
Connect the fuel sender wiring harness electrical connector (2) to the fuel tank pressure sensor.
Position the fuel pump fuel feed line and the EVAP canister vent front pipe to the fuel tank.
Connect EVAP canister vent front pipe quick connect fitting (4) to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
Connect the fuel pump fuel feed line quick connect fitting (1) to the fuel tank module. Refer to Plastic Collar Quick Connect Fitting Service .
Install the fuel tank. Refer to Fuel Tank Replacement .