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Home >> Nissan-Datsun >> 2011 >> Sentra SE-R >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Service Information >> Fuel Tank >> Removal and Installation >> Removal
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Removal and Installation: Removal

WARNING: Be sure to read "General Precautions" when working on the fuel system. Refer to "GENERAL PRECAUTION ".
  1. Drain fuel from fuel tank if necessary. Refer to "REMOVAL AND INSTALLATION ".
    CAUTION:
    • Because fuel tank becomes unstable when installing/removing, fuel should be drained if the level exceeds specification.
    • Situate vehicle on a flat and solid surface.
  2. Open fuel door and unscrew the fuel filler cap to release the pressure inside the fuel tank.
  3. Release the fuel pressure from the fuel lines. Refer to "FUEL PRESSURE CHECK " MR20DE (California), "FUEL PRESSURE CHECK " MR20DE (except California), or "FUEL PRESSURE CHECK " QR25 DE.
  4. Disconnect battery negative terminal.
  5. Remove rear seat bottom. Refer to "COMPONENT PARTS DRAWING " 60/40 Split Fold Down Seat or "COMPONENT PARTS DRAWING " Fixed Back Seat.
  6. Turn the three retainers (A) 90° in a clockwise direction and remove the fuel pump inspection hole cover.
    Fig 1: Location Of Retainers
    G04926292Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Disconnect electrical connector (A) and fuel feed hose quick connector (B).
    • Fuel feed hose (1)
      Fig 2: Identifying Electrical Connector & Fuel Feed Hose Quick Connector
      G04926293Courtesy of NISSAN MOTOR CO., U.S.A.
    • Disconnect the quick connector using the following procedure.
      • Hold the sides of the connector, push in tabs and pull out the tube.
      • If quick connector and tube on fuel pump assembly are stuck, push and pull several times until they move. Disconnect them by pulling.
        CAUTION:
        • The tube can be removed when the tabs are completely depressed. Do not twist it more than necessary.
        • Do not use any tools to remove the quick connector.
        • Keep resin tube away from heat. Be especially careful when welding near the resin tube.
        • Prevent acid liquid such as battery electrolyte, from getting on resin tube.
        • Do not bend or twist resin tube during installation and removal.
        • To keep the connecting portion clean, free of foreign materials and to avoid damage, cover them completely with plastic bags or something similar.
        • Do not insert plug to prevent damage to O-ring in quick connector.
          Fig 3: Disconnecting Quick Connector
          G04875524Courtesy of NISSAN MOTOR CO., U.S.A.
          Fig 4: Covering Plugs With Plastic Bags
          G04875526Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove center exhaust tube. Refer to "COMPONENT " MR20DE, or "COMPONENT " QR25DE.
  9. Remove fuel tank protector.
  10. Loosen fuel filler hose clamp (B) and remove fuel filler hose (1).
    CAUTION: Do not remove fuel filler hose (1) from fuel filler tube. When removing fuel filler hose (1) at the fuel filler tube, mark components for alignment.
  11. Remove vent hose (3) and EVAP hose (2) at rear of fuel tank.
    • Disconnect vent hose and EVAP hose quick connectors using the following procedures.
    1. Pinch retaining tabs (C) of vent hose quick connector and remove vent hose (3).
    2. Pinch retaining tabs (A) of EVAP hose quick connector and remove EVAP hose (2).
      • If hoses are stuck, push and pull (A) several times until they move freely, and disconnect by holding side of connector and pushing in the tabs (B).
        Fig 5: Identifying Vent Hose And EVAP Hose
        G04926307Courtesy of NISSAN MOTOR CO., U.S.A.
        Fig 6: Pulling Vent Hose Quick Connector
        G04926308Courtesy of NISSAN MOTOR CO., U.S.A.
        CAUTION:
        • The tube can be removed when the tabs are completely depressed. Do not twist it more than necessary.
        • Do not use any tools to remove the quick connector.
        • Keep the resin tube away from heat. Be especially careful when welding near the tube.
        • Prevent acid liquid such as battery electrolyte, from getting on the resin tube.
        • Do not bend or twist the tube during installation and removal.
        • Do not insert plug that may cause damage to O-ring in quick connector.
        • To keep the connecting portion clean and to avoid damage and foreign materials, cover them completely with plastic bags or something similar.
          Fig 7: Covering Quick Connector With Plastic Bags
          G04926309Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Support center of fuel tank (1) with transmission jack (A) as shown in the figure.
    CAUTION: Securely support the fuel tank with a suitable tool (B).
  13. Remove fuel tank bands (RH and LH).
  14. Lower transmission jack carefully to remove fuel tank while supporting it by hand as shown in the figure.
    CAUTION: Fuel tank may be in an unstable position because of the shape of fuel tank bottom. Be sure to support tank securely.
    Fig 8: Supporting Center Of Fuel Tank With Transmission Jack
    G04926310Courtesy of NISSAN MOTOR CO., U.S.A.
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