How do you change the fuel pump on a Porsche 911?
On the outlet side of the pump, there will be a banjo fitting for the pressurized fuel line going to the engine. Loosen the hex cap at the end of the banjo fitting. This may be tricky because the pump may want to turn as you apply torque to the hex cap. Some penetrating oil on the hex cap may help.
What kind of repair can I do on a Porsche 911?
This repair group covers repairs to the fuel tank, fuel pump, fuel level sender and connecting lines. The Motronic (DME) fuel injection and emission control systems are covered in 240 Fuel Injection.
How to test residual pressure in Porsche 911?
Testing for residual pressure is covered in 240 Fuel Injection. To prevent fuel from spraying on a hot engine, system pressure should be relieved before disconnecting fuel lines. One method is to tightly wrap a shop towel around a fuel line fitting and loosen or disconnect the fitting.
How do you drain a Porsche 911 fuel tank?
— Insert hose into tank opening and use an approved transfer pump and container to pump out fuel. Be sure the container is large enough to hold the volume of fuel that is to be pumped out of the tank. As an alternative, the drain plug (alien head) at the bottom of the fuel tank can be removed to drain tank.
Can a fuel pump be removed from a Porsche 911?
Loosen the large hose clamp holding the pump body in place. The pump body is now free to be removed from the car. If there is a rubber cushion between the hose clamp and pump body, save it for re-installation later. Many 911 fuel pumps will have a check valve screwed into the outlet of the pump body.
This repair group covers repairs to the fuel tank, fuel pump, fuel level sender and connecting lines. The Motronic (DME) fuel injection and emission control systems are covered in 240 Fuel Injection.
What happens when you run out of gas in a 911?
The 911 fuel pump is a not as simple a device as one might think. The fuel actually runs through the pump and acts as a coolant and lubricant for the entire assembly. Therefore, if you let your car run out of gas, make sure that you turn off the pump immediately, or you might damage the internal components of the pump.
Testing for residual pressure is covered in 240 Fuel Injection. To prevent fuel from spraying on a hot engine, system pressure should be relieved before disconnecting fuel lines. One method is to tightly wrap a shop towel around a fuel line fitting and loosen or disconnect the fitting.