
Installing a fuel filler hose tank can be a tricky task, especially if you're dealing with rusted screws and clamps. The process involves locating and lowering the fuel tank, removing the old hose and clamps, and installing a new hose with proper clamps and ventilation. It's important to ensure that the hose is rated for fuel and that there are no cracks or leaks that could cause safety hazards. In some cases, you may need to replace the entire fuel filler neck, but this depends on the extent of the damage and the specific vehicle model.
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What You'll Learn

Removing the old hose
Firstly, it is important to ensure that the fuel tank is not filled. Locate the fuel tank by going under the vehicle. Place a transmission jack or a similar tool under the fuel tank to support it and lower it safely. Loosen and remove the straps holding the fuel tank in place, and then carefully lower it to gain access to the hose connections.
The next step is to disconnect the hose clamps that secure the old hose in place. Depending on the vehicle, there may be two or more hose clamps. Use appropriate tools, such as pliers or a wrench, to carefully remove these clamps without causing damage to nearby components. Some clamps may be rusted, so be cautious when removing them to avoid breakage.
Once the clamps are removed, gently pull and twist the old hose to detach it from the fuel filler neck and the fuel tank. This may require some wiggling and maneuvering, especially if the hose is stuck or if there is rust present. Be cautious not to damage the fuel tank or any surrounding parts during this process.
After removing the old hose, inspect it for any cracks or signs of deterioration. This inspection will help you determine if the hose was the source of any fuel leaks. Additionally, take note of the hose's dimensions and specifications to ensure that you acquire the correct replacement hose.
Finally, before installing the new hose, clean the area thoroughly. Use a suitable cleaner, such as electrical cleaner, along with a lint-free cloth to remove any dirt, debris, or moisture that may have accumulated. This step ensures that the new hose will be installed in a clean and safe environment, reducing the risk of leaks or other issues.
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Preparing the new hose
Before you begin, ensure that you have the correct replacement hose. Fuel filler hoses are typically made of rubber, and you can find them at auto parts stores or online. It is important to use a hose that is rated for fuel to prevent leaks and ensure safety.
Once you have the new hose, you will need to prepare it for installation. Start by measuring the hose to ensure it is the correct length and diameter. You may need to cut it to size using a sharp knife or hose cutter. Be careful to cut it straight and to the correct length, as you cannot undo this step.
After cutting the hose to size, you will need to attach the hose clamps. These clamps are essential to secure the hose and prevent leaks. Place the clamps onto the hose, sliding them to the middle of the hose. Ensure you have the correct size and type of clamps, preferably stainless steel, as recommended by some mechanics.
Before installing the new hose, it is good practice to clean the hose ends with a suitable solvent to remove any dirt or debris. Additionally, you can apply a coating of dielectric grease to the inside ends of the hose, as suggested by one mechanic, to aid in the installation process and provide a secure connection.
By following these steps, you will have prepared the new fuel filler hose for installation. Remember to work carefully and refer to specific vehicle instructions for a more comprehensive guide.
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Locating the fuel tank
If you are trying to locate a buried oil tank on your property, you should look for signs of underground oil tanks. You can start by looking around your front and backyard, including any bushes or shrubbery. The previous owners may have covered the pipe with an object, such as a coffee can, so it's important to inspect carefully. If you are still having trouble locating the pipes, the venting or fill pipes may be inside your home or under the house itself. Look for copper pipes in your furnace area, which will usually be small lines or tubes. Copper piping indicates that the home once relied on an oil tank as a heating source.
If you are dealing with an abandoned or leaking oil tank on your property, it is important to take the necessary steps to remove it safely. You can refer to online guides for locating and removing buried oil tanks.
In terms of vehicle fuel tank locations, the weight balance of the car and its centre of gravity are important factors to consider. Some people prefer to have the fuel tank located between the engine and bulkhead, but this may not be possible due to space constraints. Ultimately, the location of the fuel tank can vary depending on the vehicle, and it may not always be in a convenient position for installing a fuel filler hose.
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Lowering the fuel tank
Locate the Fuel Tank:
Go under the vehicle and identify the fuel tank. This step is crucial as it helps you understand the layout and specific components of your vehicle's fuel system.
Prepare the Necessary Tools:
Before starting the process of lowering the fuel tank, ensure you have the required tools, such as a transmission jack or a similar type of jack, and the appropriate wrenches or pliers.
Place the Jack Under the Fuel Tank:
Position the jack securely under the fuel tank. This step ensures stability and safety during the lowering process.
Loosen and Remove the Fuel Tank Straps:
Using the appropriate tools, carefully loosen and remove the straps that hold the fuel tank in place. This step will allow you to lower the fuel tank slightly, providing access to the various hoses and connectors.
Disconnect the Fuel Pump or Sending Unit Harness:
Reach up and locate the harness attached to the top of the fuel tank. This harness is typically for the fuel pump or sending unit, depending on the vehicle's age. Disconnect this harness to prepare for the next steps.
Lower the Fuel Tank Further:
Once the harness is disconnected, you can now lower the fuel tank further. This additional lowering is necessary to access the vent hose attached to the fuel tank.
Remove the Vent Hose:
With the fuel tank lowered, you can now access and remove the vent hose. Loosen the clamp and carefully detach the small vent hose. Note that some vehicles, especially newer models from 1996 onwards, may have a return fuel charcoal canister attached to the vent hose to collect fuel vapors for emissions control.
Prepare for Clearance (Optional):
If you need to remove the fuel tank for better clearance, it is essential to transfer any fuel out of the tank beforehand. It is recommended to have the vehicle at a quarter tank of fuel or less when performing this step.
Lower the Fuel Tank Completely:
With the necessary preparations complete, you can now fully lower the fuel tank. This step provides the required access to replace the fuel filler hose or perform other necessary repairs.
Remember to exercise caution and refer to vehicle-specific repair manuals or seek professional guidance if you are unsure about any steps.
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Attaching the new hose
Firstly, ensure that you have sourced the correct type of hose for your vehicle. It is important to use a hose that is specifically designed to carry fuel. The hose should be fuel-resistant and rated for fuel. You can find these hoses at automotive stores or online. It is also recommended to use stainless steel hose clamps to secure the hose in place.
Before attaching the new hose, it is crucial to prepare the area. Place a catch basin or oil drain pan under the work area to catch any fuel that may spill during the process. This will help prevent any fuel from leaking out and causing a hazard. Once the area is prepared, locate the fuel tank and lower it using a transmission jack or similar tool. This will provide you with better access to the hose and fuel filler neck.
Now, you can begin the process of attaching the new hose:
- Position the new hose: Place the new hose in the correct location, ensuring that it aligns properly with the fuel filler neck and the fuel tank.
- Secure with hose clamps: Place the hose clamps in the middle of the new hose and slide them into place. Tighten the clamps securely, but be careful not to overtighten them. Ensure that the hose cannot twist or turn.
- Check for leaks: Once the new hose is securely clamped, carefully inspect the connections for any signs of leaks. This includes checking the area around the hose, the fuel filler neck, and the fuel tank.
- Reassemble the components: After confirming that the new hose is properly attached and there are no leaks, proceed to reassemble any components that were removed during the process. This includes securing the fuel tank straps and tightening them until they stop. Torque the mounting nuts to the specified value or tighten them with blue locktite if the torque value is unknown.
- Test the system: Finally, test the fuel filler hose by filling the tank and observing for any leaks. Ensure that the hose is secure and functioning properly.
Remember to follow all safety precautions and refer to vehicle-specific instructions or seek professional guidance if needed.
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Frequently asked questions
First, make sure to not fill the tank and place a catch basin or oil drain pan underneath to catch any fuel that spills. Then, remove the hose clamps and take out the old hose.
You should use a hose that is rated for fuel. You can source this online or from a local lorry garage.
It depends on the make and model of your vehicle. Some tanks can be accessed without lowering, whereas others require more clearance.
Use a transmission jack or similar to support the tank and lower it. Loosen and remove the straps to the tank and lower it carefully.
Place the hose clamps in the middle of the new hose and put the new hose in place. Slide the hose clamps into position and tighten them.











































