The fuel pump in the 2005 Chevy Impala LS 3.8L is located inside the fuel tank. To access it, you will need to remove the rear seat and then remove the fuel tank access cover. The fuel pump is located under the access cover.
Here are the steps on how to access the fuel pump in a 2005 Chevy Impala LS 3.8L:
1. Park your car on a level surface and turn off the engine.
2. Engage the parking brake.
3. Open the trunk of your car.
4. Locate the fuel tank access cover. It is located on the top of the fuel tank, in the center of the trunk.
5. Remove the fuel tank access cover by turning the four screws counterclockwise.
6. Remove the fuel tank filler tube. It is the large black hose that connects the fuel tank to the filler neck.
7. Disconnect the fuel line. It is the smaller black hose that connects the fuel tank to the fuel injection system.
8. Lower the fuel tank by supporting it with a jack and then removing the two bolts that hold it in place.
9. Once the fuel tank is lowered, you will see the fuel pump located at the bottom of the fuel tank.
10. Remove the fuel pump by disconnecting the electrical connector and then removing the four bolts that hold it in place.
11. Install the new fuel pump by reversing the steps above.
Note: When reinstalling the fuel tank, be sure to tighten the bolts in a criss-cross pattern to prevent the tank from leaking.
