Gently clamp the short fuel line between the tank and the fuel pump inlet to pinch off fuel flow and prevent fuel spillage. Once the belly pan is removed, you should see the fuel pump which is shaped like an energy drink can with hoses connected on both ends. On some cars, two of the belly pan mounting points are shared with the front sway bar mounts so you may see the sway bar rotate slightly as you remove the bolts or nuts. Be careful as it is a fairly heavy piece of sheet metal and you don’t want it falling on you. On this particular car there are two bolts and two nuts holding it in place. Remove the four fasteners holding it in place. Locate the rectangular belly pan between the front wheels. In order to give you the most room to move around, it's recommended that the entire car be raised on stands for easy access. We will be working in the space between the front wheels, which is quite cramped. Raise your car on jack stands using this procedure. Step 1: Raise Car And Support With Jack Stands Gasoline is carcinogenic so wear rubber gloves, long sleeves, and safety glasses to protect your skin.Work with as much ambient and overhead lighting as possible to keep electric work lamps away from the fuel pump area.Make sure the fuel tank has as little fuel as possible to reduce the chance of gasoline spillage.Work in a well-ventilated area with no sources of heat, spark, or open flame.Electric connection rubber boots (if any are damaged/missing)Ĭaution: When working with the fuel system, always take fire safety precautions.1 Fuel pump check valve (and three replacement crush washers usually included).There are so few of those, however, that we'll only cover the front pump replacement procedure for demonstration purposes. Some early 911s have a mechanical or electric fuel pump located in the engine compartment. It is very easy to access and service should it ever require replacement. Most 911s have an external, electric fuel pump located right beneath and behind the fuel tank at the front of the car. If your engine is having problems running, and your diagnosis includes low fuel pressure and/or abnormally loud engine bay noises, it may be time for a new fuel pump.
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