Removal Procedure

Fig 1: View Of Fuel Tank - Right

Courtesy of GENERAL MOTORS CORP.

Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the right fuel tank. Refer to Fuel Tank Replacement - Right Side .
Place the fuel tank on a suitable work surface.

Fig 2: View Of FTP Sensor, EVAP Purge Line & Fuel Pump Module Harness Connector

Courtesy of GENERAL MOTORS CORP.

Disconnect the evaporative emissions (EVAP) purge line (4) from the fuel tank module.
Disconnect the fuel tank module harness connector (5).
Disconnect the fuel tank pressure (FTP) sensor harness connector (1).
If replacing the fuel tank module, remove the FTP sensor (2). Refer to Fuel Tank Pressure Sensor Replacement .

Fig 3: Identifying Fuel Pump Module Locking Ring

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The fuel tank module is spring loaded and will spring upward when the locking ring is removed.

Using the J39765-A (1), remove the fuel tank module locking ring (2), by rotating the J39765-A in a counterclockwise direction. See Special Tools .

Fig 4: View Of Fuel Tank Module

Courtesy of GENERAL MOTORS CORP.

Carefully remove the fuel tank module (2) from the fuel tank half way with the jet lines connected. Ensure not to damage the fuel level float arm.
Disconnect the internal fuel line quick-connect fittings from the fuel tank module ports, noting the location of the lines for installation.
Remove the fuel tank module from the fuel tank using care not to damage the fuel level float arm.
Remove the fuel tank module O-ring (3) from the fuel tank opening.