Regan Brown
Removing the fuel tank from an Excursion vehicle is a complex task that requires careful attention to detail. The process involves several steps, including disconnecting hoses and fuel lines, unbolting the tank, and carefully lowering and removing it. The fuel tank's size and location vary across different models, with some tanks being plastic and others galvanized, but the removal process generally remains consistent. It is important to ensure the fuel tank is close to empty before attempting removal, as a full tank can be extremely heavy and difficult to handle. Some owners have also suggested draining the tank beforehand using a portable electric pump.
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What You'll Learn
Disconnect the rubber filler neck hose and fuel lines
Disconnecting the rubber filler neck hose and fuel lines is a crucial step in removing the fuel tank of your car. Here's a detailed guide to help you through the process:
Locate the Fuel Filler Neck and Inspect for Damage: Start by visually inspecting the fuel filler neck for any signs of exterior damage. Check the mounting screws in the fuel door area and ensure the rubber hose and clamp are visible and undamaged. On some vehicles, you may need to remove a protective cover to access the fuel hose. It's also important to determine if the fuel filler neck is leaking vapors, as this will be indicated by the engine management system.
Disconnect the Fuel Lines and Filler Hose: With the fuel tank lowered, you can now disconnect the rubber filler neck hose and fuel lines. Begin by removing the mounting bolts to the fuel filler neck, which are typically located inside the fuel neck door. Next, lower the fuel tank further to gain access to the rubber fuel hose. Remove the hose clamp that holds the fuel hose in place, and carefully detach the hose from the fuel pump and fuel line. Place a drip pan under the fuel tank to catch any residual fuel. If your vehicle has a fuel hose in the engine compartment, use a fuel hose quick disconnect tool to detach the hose from the fuel rail.
Inspect and Clean the Fuel Pump and Sending Unit: Once the rubber hose is disconnected, take the opportunity to inspect and clean the fuel pump or sending unit. Use electrical cleaner and a lint-free cloth to remove any moisture and debris from the harness and connector. This step ensures that your fuel system remains in optimal condition.
Replace the Rubber Hose if Necessary: Before reassembling, carefully inspect the removed rubber hose for any cracks or signs of deterioration. If cracks are present, it is essential to replace the rubber hose with a new one to prevent fuel leaks. Additionally, always use new hose clamps when installing a new hose to ensure a secure and leak-proof connection.
Remember to work slowly and carefully throughout the process. Lowering the fuel tank and disconnecting the rubber filler neck hose and fuel lines are delicate procedures that require attention to detail. If you're unsure about any steps, it's always best to consult a qualified mechanic or seek advice from a trusted automotive forum.
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Remove the skid plate and bolts
Removing the skid plate and bolts is a crucial step in the process of dropping the fuel tank of an Excursion vehicle. This process can be complex and time-consuming, but it is achievable with careful planning and execution. Here is a detailed guide on how to tackle this task:
First, it is important to understand the function of the skid plate. The skid plate is a steel or metal component that acts as a protective cover for the fuel tank, shielding it from potential damage. It is held in place by several bolts, typically four, that need to be removed in order to access the fuel tank.
Before beginning the removal process, ensure that you have the necessary tools, such as wrenches or sockets that fit the bolts securely. It is also crucial to place the vehicle on a level surface and engage the parking brake to prevent any accidental movement during the procedure. Additionally, personal protective equipment, such as gloves and eye protection, is highly recommended when working with automotive components.
To start, locate the skid plate and identify the bolts that secure it in place. These bolts are usually visible and accessible from the underside of the vehicle. Place a suitable collection container underneath the vehicle to catch any fuel that may drip during the process, as it is important to minimize fuel spillage for safety and environmental reasons.
Using the appropriate tool, carefully loosen and remove each bolt one by one. Have a helper support the skid plate as you work to prevent it from falling unexpectedly. Once all the bolts are removed, carefully lower the skid plate away from the vehicle, exposing the fuel tank.
At this point, you will have access to the fuel tank and can proceed with the next steps of the fuel tank removal process, such as disconnecting fuel lines and hoses. Remember to work slowly and deliberately, as fuel system components are sensitive and require careful handling. Always refer to manufacturer guidelines or seek professional assistance if you encounter any unfamiliar procedures or complex technical challenges.
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Lower the tank and jack
Lowering the tank and jacking it requires careful execution. Here is a detailed step-by-step guide:
First, ensure the fuel tank is close to empty to reduce the weight when handling. Even a quarter tank of fuel can be too much, so it is advisable to drain as much as possible. If you cannot drain the tank, consider having some clean plastic buckets to remove the fuel.
Next, place the jack under the tank. A floor jack is commonly used, but some people have also used a motorcycle jack with two long support arms. Ensure you put a piece of cardboard under the jack. Additionally, if using a floor jack, be cautious when raising the tank back up; when the jack touches the bed and mounts, do not apply pressure to avoid breaking the foot assembly.
Now, lower the tank slowly and carefully. It is beneficial to have an extra set of hands to assist in this process. Ensure the hose clears the frame without binding up. Once the tank is lowered, disconnect the fuel lines and any electrical connections.
After everything is disconnected, lower the tank all the way down. Tilt the tank back onto the cardboard and pull the jack out. Finally, grab the cardboard and pull to slide the tank out from under the vehicle.
It is important to note that the height you jack up the rear of the vehicle may vary. Some sources suggest adding 12 inches to your initial height to ensure sufficient clearance. Additionally, the skid plate, which holds the tank in place, will come down with the tank.
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Drain and empty the tank
To drain and empty the fuel tank of your Ford Excursion, you can try the following methods.
Firstly, it is important to take safety precautions. Park your vehicle on a level surface, engage the parking brake, and allow the engine to cool down. Wear gloves and eye protection, and keep a fire extinguisher nearby.
One method to drain the tank is to use a siphon pump. Disconnect the fuel filler tube from the tank, and loosen the inner fender liner for better access. Jack up the truck and remove the wheel to make this process easier. Stick the siphon pump into the flapper of the tank and begin the siphoning process.
Alternatively, you can use a fuel pump. Disconnect a fuel line coming off the fuel pump and route it to a gas can. You can also use a jumper wire from the battery to a fuel pump connector. Another option is to unbolt the fuel filler tube from the tank and siphon from there.
If your vehicle has a gravity drain, you can locate the drain plug at the bottom of the tank and open it, allowing the fuel to drain into a container.
You can also try using a hose. Insert the hose into the tank and suck on the other end to start the flow of fuel, then transfer it to a container. This method is straightforward but carries a risk of inhaling toxic fumes or getting fuel in your mouth.
An air compressor can also be used to drain the tank. Connect a fuel line to a tank adapter and the adapter to the air compressor. The pressure will force the fuel out of the tank.
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Clean and replace parts
Cleaning and maintaining your fuel tank is essential for the health and performance of your vehicle. Over time, impurities, contaminants, sediment, and rust accumulate in the fuel tank, which can affect the engine's efficiency and longevity. Here are the steps to clean and replace parts of your fuel tank:
Clean the Fuel Tank
- Drain the fuel tank: Use a portable electric fuel pump or a siphon to drain the fuel from the tank into an approved gasoline container.
- Dry the fuel tank: Use clean, dry shop rags to absorb any lingering fuel in the tank. You can also use pressurized air to finish drying out the inside of the tank.
- Inspect the fuel tank: Use a flashlight to check for debris, holes, cracks, or other damage. Small holes or cracks can be soldered or patched. If there is significant damage, it is recommended to replace the entire fuel tank with parts recommended by the manufacturer.
- Clean the interior: Add a fuel system cleaner or treatment to the opening of the fuel tank, rocking and tipping the tank to ensure it covers the entire interior. Focus on the bottom, where most rust and sediment collect. You can also spray the interior with a garden hose equipped with a pressurized nozzle.
- Reinstall and refill: After cleaning, reinstall the fuel pump, lock ring, and fuel lines. Replace the fuel filter if needed. Pour fuel into the gas tank, including a fuel additive to clean the fuel injector.
Replace Parts
- Fuel filter: The fuel filter should be replaced regularly to prevent clogging and ensure the engine receives clean fuel.
- Fuel pump: If the fuel pump is damaged or faulty, it should be replaced.
- Hoses: Inspect the hoses for any signs of damage or wear. Replace the hoses if necessary, ensuring a tight fit to prevent fuel leaks.
- Fuel level sender: Disconnect and replace the fuel level sender if it is not functioning properly.
- Skid plate: The skid plate may need to be removed or replaced when working on the fuel tank. It acts as a cradle for the tank and provides additional support.
Remember to always refer to your vehicle's repair manual for specific instructions and safety precautions when cleaning and replacing parts in the fuel system.
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Frequently asked questions
The first step is to disconnect the filler and vent tubes. Then, place a jack under the tank and remove the four bolts that mount the tank and skid plate. You may need to lower the tank a little to give more room to disconnect the lines. Finally, disconnect the fuel lines and pull the tank out.
Bring 2-3 clean plastic 5-gallon buckets to drain the fuel.
Separating the hoses from the filler neck.
The harpoon mod adds capacity by raising the tank vent line closer to the top of the tank.
