Porsche produced its 944 model from 1983 through 1991. The 944 came equipped with either a normally aspirated engine or a turbo engine. The manufacturer powered every 944 with a water-cooled, four-cylinder engine. The fuel pump on the 944 model is a key component within the fuel injection system. Fuel pump replacement may be required due to damage or failure. Total or partial failure of the fuel pump will negatively impact the performance and gas mileage of the car.
Using the battery terminal wrench, detach the negative battery cable from the battery.
Raise the rear passenger side of the car off the ground and secure with a jack stand. Remove the passenger side rear tire by using the lug wrench.
Using a small metric wrench, loosen and remove the two nuts securing the electrical connectors. Remove the two electrical connectors from the fuel pump.
Secure the line lock tool on the fuel line from the gas tank near the connection to the fuel pump. Place the catch tray directly under the fuel pump.
Remove the hose clamp with a screwdriver that secures the fuel line connecting the fuel pump to the engine. Pull the fuel line away from the fuel filter to disconnect it from the fuel filter.
Loosen and remove the hose clamp securing the fuel line from the gas tank to the fuel pump. Pull the fuel line away from the fuel pump to disconnect the fuel line.
Use a small metric wrench to loosen the clamp securing the fuel filter to the inner fender well. Lift the fuel pump vertically to remove the fuel pump from the car.
Insert the new fuel pump into the fuel pump bracket and tighten using a small metric wrench. Replace the two electrical connectors and tighten the nuts with a wrench to secure the connectors.
Replace both of the fuel lines on the fuel pump and tighten the hose clamps with a screwdriver.
Remove the line lock on the fuel line from the gas tank. Remove the catch tray from under the fuel pump and properly dispose of any gas.
Replace the tire and tighten each lug nut to 90 foot pounds of torque with a torque wrench. Use the floor jack to safely remove the jack stand and return the vehicle to ground level.
Reattach the negative battery cable to the battery and tighten the connector using the battery terminal wrench.
