Sylvie Willis
Removing the fuel tank from a vehicle can be a complex process, and the Ford Expedition is no exception. This guide will walk you through the steps necessary to safely remove the fuel tank from a 2004 Ford Expedition, including how to deal with the fuel system pressure, disconnecting hoses and electrical connectors, and lowering the fuel tank. With the right tools and precautions, you can successfully perform this maintenance task and ensure your vehicle is running smoothly.
How to remove fuel tank on 04 expedition
| Characteristics | Values |
|---|---|
| Step 1 | Release the fuel system pressure |
| Step 2 | Drain the fuel tank |
| Step 3 | Disconnect the vapor hoses at the rear of the fuel tank |
| Step 4 | Remove the fuel tank skid plate (if equipped) |
| Step 5 | Disconnect the vapor hose and the fuel hose(s) forward of the fuel tank |
| Step 6 | Position a suitable jack under the fuel tank (do not support the fuel tank directly beneath the fuel pump mounting area to avoid damage to the fuel pump assembly) |
| Step 7 | Remove the fuel tank front and rear support straps and lower the front of the fuel tank |
| Step 8 | Remove the rear LH and RH sway bar bracket nuts and lower the sway bar |
| Step 9 | Remove the rear driveshaft |
| Step 10 | Loosen the clamp and disconnect the vent hose from the fuel tank vent spout |
| Step 11 | Disconnect the fuel pump electrical connector |
| Step 12 | Remove the fuel tank from the vehicle |
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What You'll Learn
Release the fuel system pressure and drain the tank
To remove the fuel tank on a 2004 Ford Expedition, the first step is to release the fuel system pressure and drain the tank. This is important for safety reasons, as it prevents you from getting sprayed with gas while working on the fuel tank.
One way to release the fuel system pressure is to unplug the inertia switch and then crank the engine until the fuel runs out. Another method is to remove the fuel pump fuse and then crank the engine. Alternatively, you can pull the fuel pump relay with the engine running. It is recommended to remove the relay and crank the engine to guarantee that the system is fully depressurized.
Allowing the vehicle to sit for a few hours after turning it off will also help relieve fuel system pressure. However, this may not be necessary if the vehicle has not been operated for a while.
Before draining the tank, it is important to note that the location of the fuel vent hose is critical to fuel system operation. Therefore, make sure to note the routing of the fuel vent hose before proceeding.
To drain the fuel tank, you will need to remove the fuel tank pressure sensor and then use a siphon to transfer the fuel to gas cans. This will make the tank easier to handle and reduce the risk of fuel spillage during the removal process.
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Disconnect the vapor hoses at the rear of the tank
To disconnect the vapor hoses at the rear of the tank, you will need to first ensure you have the correct tools for the job. You will need a fuel line disconnect tool, which can be purchased or rented.
With the correct tool, locate the vapor hoses at the rear of the fuel tank. These will be connected to the fuel tank via a quick-release mechanism. To disconnect, press the hose towards the tank, then push the button and pull the hose back towards you.
It is important to note that the location of the fuel vent hose is critical to the fuel system operation, so take care when disconnecting the vapor hoses. Ensure you do not support the fuel tank directly beneath the fuel pump mounting area, as this can cause damage to the fuel pump assembly.
If you are having trouble removing the vapor hoses, it may be helpful to first empty the fuel tank to make it easier to handle. You can do this by siphoning the fuel into gas cans. Once the tank is empty, try again to disconnect the vapor hoses using the steps outlined above.
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Remove the fuel tank skid plate
To remove the fuel tank skid plate, you will need to follow these steps:
First, ensure you have the necessary tools and safety equipment. This may include a floor jack, socket set, and protective gear such as gloves and eye protection. Work on a fuel system only when it is cold, and never smoke or have open flames nearby.
Next, locate the skid plate under the fuel tank. Place a jack under the fuel tank, but not directly beneath the fuel pump mounting area, as this may cause damage to the fuel pump assembly.
Now, remove the skid plate. The skid plate is bolted to the retaining straps, so you will need to unbolt these straps using a socket set. Be careful when handling the skid plate, as it is made of fiberglass, which can cause irritation if handled without gloves.
Once the skid plate is removed, you can continue with the next steps of removing the fuel tank, such as removing the clamp on the filler tube and disconnecting the vapor hoses at the rear of the fuel tank. Remember to refer to a trusted repair manual or seek advice from a qualified mechanic if you are unsure about any steps or procedures.
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Disconnect the fuel hose(s) and fuel pump electrical connector
To disconnect the fuel hose(s) and fuel pump electrical connector, you will need to follow a series of steps carefully. Here is a detailed guide to help you with the process:
Firstly, it is important to release the fuel system pressure. This is a crucial step to ensure safety and prevent any accidental spills or injuries. Make sure you are working in a well-ventilated area and take necessary precautions, such as wearing protective gear and avoiding open flames or smoking during the procedure.
Next, drain the fuel tank. This step will make the tank lighter and easier to handle. Use a siphon or appropriate containers to safely drain the fuel into. It is important to dispose of the drained fuel properly and in accordance with local regulations.
Now, you can proceed to disconnect the vapor hoses and fuel hoses. Depending on your vehicle's engine type, you may have a returnless or return-type fuel system. For the 4.6L and 5.4L (2V) engines, they are typically equipped with returnless fuel systems. On the other hand, the 5.4L 4V engine features a return-type fuel system. Disconnect the vapor hose and the fuel hose(s) forward of the fuel tank. Be cautious not to support the fuel tank directly beneath the fuel pump mounting area to avoid damage to the fuel pump assembly.
At this stage, you will also need to disconnect the fuel pump electrical connector. This is usually located near the fuel tank and can be disconnected by carefully pulling or unplugging it. Ensure that you have correctly identified the connector to avoid any mistakes.
Finally, you may need to remove any retaining straps or clamps that secure the fuel hoses and fuel pump connector. This will ensure that you have easy access to the components and can safely remove them without causing any damage to surrounding parts.
By following these steps, you will be able to successfully disconnect the fuel hose(s) and fuel pump electrical connector on your 04 Expedition. Remember to refer to your vehicle's manual or seek professional guidance if you have any doubts or encounter any challenges during the process.
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Remove the tank from the vehicle
To remove the fuel tank from your 04 Ford Expedition, follow these steps:
First, release the fuel system pressure and drain the fuel tank. This can be done by siphoning the fuel into gas cans or by disconnecting the fuel line at the fuel rail with a fuel line disconnect tool.
Next, disconnect the vapor hoses at the rear of the fuel tank. If your vehicle is equipped with one, remove the fuel tank skid plate. The skid plate is made of fiberglass, so avoid rubbing it more than necessary.
Now, disconnect the fuel hose(s) forward of the fuel tank. Note that the 4.6L and 5.4L (2V) engines are equipped with returnless fuel systems, while the 5.4L 4V engine has a return-type fuel system.
At this point, you should position a suitable jack under the fuel tank for support. Do not place the jack directly beneath the fuel pump mounting area to avoid damaging the fuel pump assembly.
Finally, remove the fuel tank front and rear support straps and carefully lower the fuel tank.
It is important to exercise caution when working on a fuel system. Ensure the work area is well-ventilated, and never work on a fuel system while smoking or near open flames.
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