Ferrari California Workshop Manual page 315

FROM Assembly No. 103179 (consult the Spare Parts Catalogue to identify vehicles not affected by
modification)
Fit the tool (AV 8176) on the fuel level sensor (A).
Using the tool (AV 8176), turn the fuel level
sensor (A) clockwise to bring the retainer
clips into the indicated position.
Fit the safety clip (4), ensuring that it is securely
fastened.
Connect the connector (3).
Fit the cap (2).
Fit the cable grommet (1).