How to change a fuel pump on a 2005 Nissan - 2005 Nissan Sentra

Nissan Car Altima & Sentra 1999-06 Repair Guide
Fuel Pump - Removal & Installation

1. Before servicing the vehicle, refer to the Precautions Section.
2. Relieve the pressure from the fuel system.
3. Remove or disconnect the following:
   NOTE When the fuel sending unit needs to be removed, pull the tab upwards. The tab is located on the sending unit, opposite the end of the float. After the tab is pulled, the sending unit will lift straight out of the tank bracket.
   Negative battery cable Rear seat and the access cover Fuel pump electrical connector Fuel lines from the fuel pump assembly Locking ring Fuel gauge assembly Fuel tube and connector from the fuel gauge
   Fuel pump by pinching the 2 locking tabs together. Lift the fuel pump assembly straight upward and out of fuel tank. O-ring and discard
4. Place a clean rag in the hole to keep out dirt.
   

1. Remove the rag
2. Install or connect the following:
   NOTE Verify that the mark on the fuel tank and the components are aligned when installing the pump and fuel gauge sending unit.
   New O-ring and fuel pump Electrical connection and fuel tube to the fuel gauge sending unit Fuel sending unit into the tank
3. If equipped with a threaded lock ring torque the ring to 22-26 ft. lbs. (30-35 Nm). If equipped with a lock ring held by six retaining screws, torque the screws to 18-22 inch lbs. (2-2.5 Nm).
   Fuel lines and fuel pump electrical connector. Always install new clamps on the fuel lines. Negative battery cable
4. Start the engine, check for leaks and repair if necessary.
   Fuel pump access cover Rear seat
   

1. Before servicing the vehicle, refer to the Precautions Section.
2. Relieve the fuel system pressure.
3. Remove or disconnect the following:
   Negative battery cable Rear seat from the vehicle Inspection cover that is located under the rear seat Inlet and outlet fuel lines from the fuel pump assembly Fuel pump and gauge wiring connections 6 mounting bolts that secure the fuel pump assembly to the top of the fuel tank
4. Raise up the fuel pump assembly and detach the fuel tubes and connector.
   Fuel gauge assembly Fuel pump with the fuel chamber
5. Pull up the front of the fuel pump chamber and slide the chamber forward.
   Fuel pump from the chamber O-ring seal or gasket

1. Install or connect the following:
   Fuel pump to the fuel pump chamber and slide chamber rearward Fuel pump with the fuel pump chamber Fuel gauge assembly using a new O-ring Fuel tubes and connector. Use new hoses and clamps. 6 mounting bolts to the top of the fuel gauge unit and torque the bolts to 18-22 inch lbs. (2-2.5 Nm) Fuel pump and gauge wiring connections New inlet and outlet fuel lines to the fuel pump assembly Negative battery cable
2. Start the vehicle, check for leaks and repair if necessary. Inspection cover and the rear seat