Envoy 2WD V8-5.3L (2007)
Fuel Gauge Sender: Service and Repair
Fuel Sender Assembly Replacement
Tools Required
J45722 Fuel Tank Sending Unit Wrench
Removal Procedure
1. Remove the fuel tank.
2. Remove the fuel feed (1) and EVAP (2) lines from the fuel sender assembly.
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.
3. Use the J45722 and a long breaker-bar in order to unlock the fuel sender lock ring. Turn the fuel sender lock ring in a counterclockwise direction.
