1996 nissan altima fuel system removing from top?

Nissan Altima Fuel System Removal

The fuel pump in a Nissan Altima is electric so you should check the fuses and relays before inspecting the fuel pump itself.
Before removing fuel pump,relieve the fuel system pressure and disconnect the negative battery cable with a socket wrench.

Fuel Pump Assembly And Parts Removal For Nissan Altima is Shown Below With Diagrams:


Access the fuel pump by taking out the rear seat and removing the access cover. Unplug the fuel pump's electrical connection and disconnect the fuel lines from the fuel pump.


Check fig:--

Old pump, bracket and new pump,

Remove the fuel pump by holding the connector for the fuel line in one hand while pressing down on the two locking tabs at the same time. Lift the fuel pump out of the fuel tank. Discard the O-ring.


Move the electrical connections and fuel line to the new pump. Install pump into foam sleeve, and lock in the bracket. Lock on the sock and you have a new complete fuel pump assembly.

1996 nissan altima fuel system removing and installation?

Nissan Altima Fuel Pump And Fuel Pressure Regulator Removal Procedure 

Start by locating the fuel pump cover under the rear seat. Remove the fuel pump cover by removing the four screws that hold it in place. You then need to remove the locking ring. It should twist right off. Disconnect the electrical connectors of the fuel pump. Disengage the fuel lines from the car’s fuel pump assembly as well.Remove the entire assembly and replace with a new one the same way the old one was removed.


The fuel pump removal and installation procedure:---

See Figures 1, 2, 3, 4 and 5

Fig. Fig. 1: The fuel pump access cover is located under the rear seat. It is secured by four screws (arrows)

Fig. Fig. 2: Fuel pump components include the locking ring (1), fuel pump assembly (2), electrical harness (1), low pressure fuel return line (2), and high pressure fuel feed line (3)

Fig. Fig. 3: The locking ring should twist off easily. If it is difficult to remove, it can be tapped around gently with a small hammer and drift

Fig. Fig. 4: The fuel pump assembly can then be lifted from the fuel tank

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