Fuel Pump/Fuel Gauge Sending Unit Replacement

Special Tools Required 

Fuel sender wrench 07AAA-S0XA100

1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING  ).
2. Remove the fuel fill cap.
3. Remove the trunk floor.
4. Remove the access panel (A) from the floor.
   Fig 1: Removing Access Panel From Floor

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
5. Disconnect the fuel pump 5P connector (B).
6. Disconnect the quick-connect fitting (C) from the fuel tank unit.
7. Using the special tool, loosen the locknut (A).
   Fig 2: Loosening Locknut

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
8. Remove the locknut (A) and the fuel tank unit.
   Fig 3: Removing Locknut & Fuel Tank Unit

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
9. Remove the fuel filter (B), the fuel gauge sending unit (C), the case (D), the wire harness (E), and the fuel pressure regulator (F).
10. When connecting the fuel pump assembly, make sure the connection is secure and the suction filter (G) is firmly connected to the fuel pump (H).
11. Check these items before installing the fuel tank unit:
    • When connecting the wire harness, make sure the connection is secure and the connectors (I) are firmly locked into place.
    • When installing the fuel gauge sending unit, make sure the connection is secure and the connector (I) is firmly locked into place. Be careful not to bend or twist it excessively.
12. Install the parts in the reverse order of removal with a new base gasket (J), new O-rings (K), and a new locknut (A). When installing the fuel tank unit, align the marks (L) on the unit (M) and the fuel tank (N).
    NOTE: After installation, make sure the base gasket is not pinched.