Removing
1. Disconnect the battery from the ground.
2. Remove the rear seat back (see subsection 13.23).
3. Remove the viewing hatch.
4. Disconnect the connector from the sensor and tape it to the body immediately.
5. Label hoses and disconnect. Tape them to the body immediately.
6. Find the sensor position marks, apply if there are no marks.
7. Loosen the union nut by lightly tapping the screwdriver against the teeth of the nut.
8. Carefully lift the sensor, disconnect the filter from the tank and remove the sensor assembly with the filter.
9. Remove the gasket.
10. Rinse the filter and inspect carefully. Replace filter if clogged or damaged.
Installation
Installation is carried out in the reverse order. Replace the tank o-ring, attach the filter securely to the sensor, align the marks on the sensor and the tank.