How to Remove the Fuel Pump in a Passat B5?

[VonJosephine]

To remove the fuel pump in a Passat B5, first open the trunk and remove the rear seat. You will see a round cover plate; removing this cover plate will reveal the fuel pump. Then, rotate the fuel pump counterclockwise to detach it. Be cautious when removing the fuel line—wrap it with a towel to prevent fuel from spraying into your eyes. Here is some information about the fuel pump: 1. The fuel pump's function is to draw gasoline from the fuel tank and deliver it through the pipeline and fuel filter to the float chamber of the carburetor. 2. Fuel pumps can be categorized into two types based on the driving method: mechanically driven diaphragm type and electrically driven type. 3. The diaphragm-type fuel pump is characterized by its simple structure, but due to the influence of engine heat, special attention must be paid to ensuring fuel delivery performance at high temperatures and the durability of the rubber diaphragm against heat and fuel. The electric fuel pump, not driven by the camshaft but by electromagnetic force repeatedly actuating the pump diaphragm, allows for flexible installation positions and helps prevent vapor lock.