To remove

Fig 1: Illustration For Steps 2-5

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The sensor is integrated with the expansion tank. Therefore, the whole reservoir unit must be changed.

1. Open the drain plug and empty all the coolant. Take off the expansion tank cap to speed up draining.
2. Detach the upper radiator hoses from the expansion tank.
3. Unplug the level sensor connector.
4. Remove the expansion tank retaining bolt.
5. Lift up the expansion tank and detach the bottom radiator hose.