Removal Procedure

Fig 1: Identifying Fuel Pump Module Wiring Harness Connectors

Courtesy of GENERAL MOTORS CORP.

Remove the fuel tank. Refer to Fuel Tank Replacement .
Disconnect the fuel tank fuel pump module wiring harness electrical connectors (1, 2) from the fuel pressure sensor and the module.

Fig 2: Identifying Fuel Tank Vent Pipe Quick Connect Fittings

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Disconnect the fuel tank vent pipe quick connect fittings (3, 4) from the module. Refer to Plastic Collar Quick Connect Fitting Service .

Fig 3: View Of Fuel Tank

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Install the J 45722: wrench to the fuel pump module lock ring.

Fig 4: Identifying Lock Ring

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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 J 45722: wrench and a long breaker-bar, rotate the lock ring in a counterclockwise direction in order to unlock the lock ring.

Fig 5: Identifying Fuel Pump Module

Courtesy of GENERAL MOTORS CORP.

Remove the J 45722: wrench from the fuel pump module lock ring.
Lift the fuel pump module up slightly in order to disconnect the fuel tank vent pipe quick connect fitting (1) from the module cover.

Fig 6: View Of Fuel Pump Module Components

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Raise the fuel pump module up from the fuel tank. Tilt the module in order to allow the fuel level sensor arm and float to clear the module opening.
Remove the fuel pump module.
Remove and discard the fuel pump module seal.
Clean the fuel pump module sealing surfaces.