Grand Prix V8-5.3L (2007)
Fuel Level Sensor: Service and Repair
Fuel Sender Assembly Replacement
Fuel Sender Assembly Replacement
Tools Required
J 45722 Fuel Sender Lock Ring Wrench
Removal Procedure
1. Remove the fuel tank.
2. Disconnect the evaporative emission (EVAP) lines from the sender.
3. Disconnect the fuel line from the sender.
4. Reposition the fuel feed and EVAP lines in order to access the lock ring.
Notice: Avoid damaging the lock ring. Use only J-45722 to prevent damage to the lock ring.
Notice: Do Not handle the fuel sender assembly by the fuel pipes. The amount of leverage generated by handling the fuel pipes could damage the
joints.
Important: 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.
5. Use the J 45722 and a long breaker-bar in order to unlock the fuel sender lock ring. Turn the fuel sender lock ring in a counterclockwise direction.
6. Remove the fuel sender (2) from the fuel tank.
7. Remove and discard the fuel sender O-ring seal.
8. Clean and inspect the fuel sender assembly O-ring seal sealing surfaces.
