Fuel Gauge Sender Unit (Sub)

Complete the "BEFORE SERVICE PRECAUTION". (See BEFORE SERVICE PRECAUTION [SKYACTIV-G 2.5T] .)
Refer to the "FUEL DRAINING PROCEDURE" and drain the fuel. (See FUEL DRAINING PROCEDURE [SKYACTIV-G 2.5T] .)
Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
Remove the second-row seat (RH). (See SECOND-ROW SEAT REMOVAL/INSTALLATION .)
Cut the floor covering along the dotted lines shown in the figure and partially peel it back.

Fig 1: Cutting Floor Covering
Courtesy of MAZDA MOTORS CORP.
NOTE:
- Cut the floor covering to use the service hole.
Remove the screws.

Fig 2: Service Hole Cover And Screws
Courtesy of MAZDA MOTORS CORP.
Remove the service hole cover.
Disconnect the connector.

Fig 3: Disconnecting Connector
Courtesy of MAZDA MOTORS CORP.
Remove the screws.

Fig 4: Fuel Gauge Sender Unit (Sub) And Screws
Courtesy of MAZDA MOTORS CORP.
Remove the fuel gauge sender unit (sub).

Fig 5: Removing Fuel Gauge Sender Unit (Sub)
Courtesy of MAZDA MOTORS CORP.
Install in the reverse order of removal.
Perform the fuel leakage inspection referring to "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION [SKYACTIV-G 2.5T] .)