Installation Procedure
Courtesy of GENERAL MOTORS CORP.
- If the secondary fuel tank fuel pump module was replaced, install the secondary fuel level sensor, if required. Refer to Secondary Fuel Level Sensor Replacement .
- Install a NEW fuel tank module O-ring seal (2) onto the fuel tank.
- Tilt the module toward the rear of the fuel tank to allow the fuel level sensor float arm to clear the tank opening. Install the module (1) into the fuel tank.
Courtesy of GENERAL MOTORS CORP.
- Align the arrow (2) on the primary fuel tank fuel pump module suction port to the arrow (1) on the secondary fuel tank fuel pump module. Install the primary fuel tank fuel pump module suction port to the secondary fuel tank fuel pump module.
Courtesy of GENERAL MOTORS CORP.
- Lower the fuel tank fuel pump module (2) into the fuel tank.
- Install the fuel tank module lock ring (1).
Courtesy of GENERAL MOTORS CORP.
- Install the CH-48482
to the fuel tank fuel pump module lock ring.
- Using the CH-48482
and a long breaker bar, rotate the lock ring clockwise locking the fuel tank fuel pump module lock ring.
- Remove the CH-48482
from the fuel tank fuel pump module lock ring.
- Position the fuel tank wiring harness (1) to the module.
- Connect the fuel tank wiring harness electrical connector (2) to the secondary fuel tank fuel pump module.
- Install the fuel tank wiring harness to the retaining clip (3).
- Install the fuel tank. Refer to Fuel Tank Replacement (AWD) or Fuel Tank Replacement (FWD) .