Regan Brown
Replacing a fuel tank is a big job, but it can be done without specialist tools. It's important to be aware of the dangers of fuel ignition and to work in a well-ventilated area. You'll need to remove a lot of parts, so it's a good idea to bag up nuts and bolts and label them. Before you lift the car, take the carpet out of the trunk, remove the fuel pump access panel, and disconnect the electrical connector.
How to replace a fuel tank
| Characteristics | Values |
|---|---|
| Difficulty | Big job |
| Tools | No specialist tools needed |
| Danger | Fuel can ignite |
| Fuel type | Petrol is more flammable than diesel |
| Drain plug | Most cars have one on the bottom of the tank |
| Location | Well-ventilated area |
| Suspension | May need to be dropped |
| Driveshaft | May need to come out |
| Fuel lines | Need to be unclipped |
| Nuts and bolts | Bag them up and label the bag |
| Fuel pump | Disconnect the electrical connector |
| Fuel pump and evap | Swap into the new tank |
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What You'll Learn
Removing the old tank
Before you lift the car, take the carpet out of the trunk, remove the fuel pump access panel, and disconnect the electrical connector. You may then need to drop the suspension and remove the driveshaft. Next, unclip all the fuel lines and remove the straps. Once the straps are off, the tank can simply be pulled out of the sub-frame.
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Ventilating the area
Working in a confined space, such as a closed garage, can be dangerous due to the risk of fuel fumes. These fumes can cause you to pass out, leading to potential injury. Additionally, petrol vapour is highly flammable and can easily ignite with a single spark.
To ensure adequate ventilation, it is recommended to work in an open or outdoor area. If working indoors, ensure the space is well-ventilated by opening doors and windows to create a cross-breeze. Consider using fans to increase airflow and dilute any fuel vapours that may be present.
It is also important to take breaks and step outside for fresh air to avoid prolonged exposure to fuel fumes. Have a buddy system in place, so someone can monitor you for any signs of dizziness or lightheadedness, and ensure you are taking regular breaks.
By following these ventilation guidelines, you can significantly reduce the risks associated with fuel tank replacement and create a safer working environment.
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Disconnecting electrical connectors
Before you lift the car, take the carpet out of the trunk, then remove the fuel pump access panel. You can then disconnect the electrical connector.
Next, you'll need to unclip all the fuel lines. If your car has a drain plug on the bottom of the tank, undo this to drain the tank. Don't drill a hole in it, as this could cause sparks. Even when the tank is completely drained, it will still smell of fuel, so make sure you're working in a well-ventilated area.
Once the tank is drained, you can pull it out of the sub-frame. You'll then need to get the fuel pump and evap thingy swapped into the new tank.
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Removing the fuel pump
Replacing a fuel tank is a big job, but it can be done without specialist tools. Before you start, be aware that there is a degree of danger when dealing with a fuel tank, as fuel can ignite.
Before you lift the car, take the carpet out of the trunk, remove the fuel pump access panel, and disconnect the electrical connector. Once the straps are off, the tank can be simply pulled out of the sub-frame. The next step is to get the fuel pump and evap thingy swapped into the new tank and put everything back together.
You may need to drop the suspension, the driveshaft might need to come out, and you have to unclip all the fuel lines. There will be a lot of nuts and bolts to remove, so it's a good idea to bag them up and write on the bag what they're for.
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Putting the new tank in
Putting in a new fuel tank is a big job, but it can be done without specialist tools. It's important to be aware of the dangers of working with fuel, especially petrol, which is highly flammable. Make sure you're working in a well-ventilated area.
Before you lift the car, take the carpet out of the trunk, remove the fuel pump access panel, and disconnect the electrical connector. You may need to drop the suspension and remove the driveshaft. Then, unclip all the fuel lines. Make sure you bag up all the nuts and bolts you remove, and label the bags so you know where they go.
Once the old tank is out, get the fuel pump and evap thingy swapped into the new tank. Then, put everything back together.
It's a big job, but it's not too difficult for one person to manage.
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Frequently asked questions
Replacing a fuel tank is a big job, but it can be done without specialist tools. You may need to drop the suspension, remove the driveshaft, and unclip all the fuel lines. You will need to remove a lot of nuts and bolts, so it's a good idea to bag them up and label the bags. You will also need to remove the carpet from the trunk, the fuel pump access panel, and disconnect the electrical connector.
Fuel tanks can be dangerous to work with because fuel is highly flammable and can ignite. Petrol is more of a concern than diesel, which needs compression and heat. You should also be careful not to drill into the tank, as this can create sparks.
Most cars have a drain plug on the bottom of the tank that you can undo. Make sure you do this somewhere well-ventilated, as fuel fumes can be dangerous.
