OEM 2010 Chevrolet Impala Fuel Level Sensor

2010 Chevrolet Impala Fuel Level Sensor Parts and Q&A

• Q: How to replace the Fuel Level Sensor in the fuel sender assembly (RPO NU6) on 2010 Chevrolet Impala?

  A: The first step for replacing the Fuel Level Sensor (RPO NU6) is to uninstall the Fuel Tank. Lawfully access the Fuel Level Sensor lock ring by first detaching both the evap lines and fuel line from the sensor while relocating the evap and fuel feed components. The j 45722 Fuel Level Sensor lock ring wrench must be used to turn counterclockwise on the lock ring after which care must be taken to avoid damaging either component or touching the Fuel Level Sensor by the fuel pipes. The o-ring seal from the Fuel Level Sensor requires discarding during the process. Clean the sealing surfaces before continuing. One should replace the lock ring when flatness measures higher than 0.41 mm (0.016 in) because of damage or warping. Position a new Fuel Level Sensor o-ring seal onto the Fuel Tank followed by installing the Fuel Level Sensor with correct placement of its alignment tab before putting in the Fuel Tank lock ring. Fitting a new Fuel Level Sensor seal while following up with proper lock ring installation that requires clockwise rotation when completing the process. The j 45722 tool should be used to install the lock ring before you reconnect the fuel line and evap lines to the sensor. Finally, reinstall the Fuel Tank.