Fuel Tank Unit Removal and Installation: Installation

Temporarily attach a new base gasket (A) to the fuel tank unit (B), then insert the fuel tank unit partially into the fuel tank.
NOTE:
- Be careful not to damage the new base gasket.
- Be careful not to bend the fuel gauge sending unit.
- Do not coat the base gasket with oil.
  
  Fig 1: Identifying Base Gasket And Fuel Tank Unit
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Transfer the base gasket (A) from the fuel tank unit to the fuel tank.

Fig 2: Identifying Base Gasket
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Align the marks (B) on the fuel tank and fuel tank unit, then insert the fuel tank unit into the fuel tank until the fuel tank unit rests on top of the base gasket.
NOTE: To avoid a fuel leak, check the base gasket, visually or by hand, to make sure it is not pinched.
Using the special tool, tighten a new locknut (A) with a new locknut plate (B) to the specified torque.
NOTE: Before tightening, align the mark (C) on the locknut with the start of the threads (D).

Fig 3: Identifying Locknut And Locknut Plate
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Using the special tool, tighten the locknut (A) to the specified torque.
NOTE:
- After tightening, make sure the marks (B) are still aligned.
- After installation, check the base gasket, visually or by hand, to make sure it is not pinched.
  
  Fig 4: Tightening Locknut Using Special Tool
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the fuel tank unit 4P connector, then connect the quick-connect fitting (see FUEL LINE/QUICK-CONNECT FITTING INSTALLATION ).
Reconnect the negative cable to the 12 volt battery, and turn the ignition switch to ON (II). The fuel pump will run for about 2 seconds, and fuel pressure will rise. Repeat this two or three times, then make sure there are no fuel leaks.
Install the access panel.
Install the rear tray (see step 1 on TRIM REMOVAL/INSTALLATION - REAR TRAY AREA ).
Install the fuel fill cap.