Fuel Pump Assembly (Fa20): Installation

1. Install a new gasket to the fuel pump assembly.
   Fig 1: Identifying Fuel Pump Assembly Gasket

   Courtesy of SUBARU OF AMERICA, INC.
2. Connect the fuel sub delivery tube.
   CAUTION:

   • When connecting the fuel sub delivery tube, do not pull the tube strongly.
   • Do not bend the arm of fuel sender gauge assembly.
3. Insert the fuel pump assembly into the fuel tank and install the new gasket, which was installed to the fuel pump assembly earlier, to the fuel tank.
   Fig 2: Inserting Fuel Pump Assembly Into Fuel Tank

   Courtesy of SUBARU OF AMERICA, INC.
   CAUTION: Improper installation such as warpage, slip, etc. results in fuel leakage. Make sure that there is no warpage, slip, etc. in the entire circumference when installing the gasket to the fuel tank.
   Fig 3: Identifying Fuel Tank Gasket Installation Positions

   Courtesy of SUBARU OF AMERICA, INC.
4. Apply gasoline to the gasket.
   Fig 4: Locating Fuel Tank Gasket Gasoline Application Area

   Courtesy of SUBARU OF AMERICA, INC.
   CAUTION:

   • When applying gasoline to the gasket, apply it to the area as shown in the figure.
   • Be careful that no gasoline comes into contact with the threaded portion of fuel tank.
   • Make sure that there is no fuel, foreign matter, etc. on the sealing portion.
5. Set the fuel pump Assembly in the installation position range mark of fuel tank.
   Fig 5: Locating Fuel Pump Assembly Installation Position Range Mark

   Courtesy of SUBARU OF AMERICA, INC.
6. Install a new ring nut plate and ring nut, and then temporarily tighten the ring nut.
7. Tighten the ring nut using the SST.

   SST 42099CA000

   Standard value: T=85N.m {867kgf.cm} {62.7ft.lbf}

   CAUTION:

   • Do not use any tools other than the SST.
   • Be careful not to damage the tube with the SST.
   • Before setting the SST, move the tube to a position outside the SST.
   • Make sure that the position mark on the fuel pump Assembly is located within the installation position range mark on the fuel tank as shown in the figure.
   • After tightening to the specified torque, confirm the tightening by tightening it to the specified torque again.
   NOTE: Insert the cutout portion of SST into the rib of ring nut to fix the SST securely.
Fig 6: Tightening Ring Nut Using SST
Courtesy of SUBARU OF AMERICA, INC.
8. Connect the fuel delivery tube. (Refer to FUEL SYSTEM (FA20)  )
9. Install the fuel delivery tube to the fuel tank. (Refer to FUEL SYSTEM (FA20)  )
10. Connect the fuel pump connector.

Standard value: T=6.0N.m {61kgf.cm} {4.4ft.lbf}

1. Install the rear floor service hole cover No. 2 using new butyl tape.