Mercedes Mullins
Draining your Ford Focus fuel tank can be a tricky and potentially dangerous task. While some people opt for siphoning, this method does not always work due to non-return valves in the petrol filler pipe. Additionally, the volatility of petrol vapour poses safety risks. The recommended approach is to take your car to a qualified repair technician. They will have the expertise and equipment to safely drain your fuel tank, including dropping the tank and unhooking the pump, lines, and hoses.
How to Drain a Ford Focus Fuel Tank
| Characteristics | Values |
|---|---|
| Safe Methods | Siphoning, draining electronically, taking it to a qualified repair technician |
| Unsafe Methods | Draining over a pit, disconnecting fuel line at the engine and turning the ignition on and off |
| Tools | Siphoning kit, hand pump, long flexible rubber hose, zip ties, kitty litter, tea strainer |
| Concerns | Fuel tank vapour is highly volatile and can be fatal |
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What You'll Learn
Siphoning the fuel tank
To siphon the fuel tank of a Ford Focus, you will need a siphon and hand pump. Place one end of the siphon down the fuel fill neck into the tank. If you are worried about the old fuel having water in it, you can pour a container of dry gas into the tank.
However, siphoning a Ford Focus can be challenging due to the design of the fuel tank. The siphon tube may hit a screen and prevent you from reaching the bottom of the tank. This issue has been reported by several Ford Focus owners. As a result, some people have suggested alternative methods for draining the fuel tank.
One method is to remove the filler cap to let air in and place the car on axle stands or over a pit. Then, remove the fuel line that comes out of the tank and drain the fuel into a suitable container. However, this method can be dangerous, especially if you are working with petrol, as it can create a bubble of highly volatile gas. If you choose to use this method, ensure you take the necessary safety precautions, such as working outdoors in a well-ventilated area and disconnecting the vehicle's battery.
Another method is to use a hand pump to pull fuel through the filter and attempt to start the car. This process may require multiple attempts and should be done with caution to avoid putting too much strain on the battery.
It is important to note that working with fuel can be dangerous, and it is always recommended to consult a qualified repair technician for assistance if you are unsure about the process or concerned about safety.
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Disconnecting the fuel line
To disconnect the fuel line, first, ensure you have the necessary tools and a suitable container to catch the drained fuel. Place the car on a flat, level surface and engage the parking brake. Then, locate the fuel line, which is usually near the fuel tank or engine. Some Ford Focus models may have a fuel line connector under the back seats.
Once you have located the fuel line, place a container under the joint to catch any spilled fuel. Then, using the appropriate tool, carefully loosen the connector or clamp that secures the fuel line. Slowly pull the fuel line away from the joint, allowing any remaining fuel to drain into the container. It is important to work slowly and carefully to avoid any spills or leaks.
After the fuel line is disconnected, you may need to turn the ignition on and off a few times to pump out the remaining fuel from the tank. Ensure that you collect all the drained fuel in a safe container and properly dispose of it or store it for future use.
It is important to note that working on a fuel system can be dangerous, and it is recommended to consult a qualified technician if you are unsure about any part of the process.
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Draining the tank electronically
To drain a Ford Focus fuel tank electronically, you can try the following methods:
Using a Siphon
First, check if there is a fuel pump on top of the tank. If there is, remove it and siphon the fuel out. However, it is important to note that this method may not be very effective, as the tube may hit a screen when inserted into the tank.
Disconnecting the Fuel Line
Another method is to disconnect the fuel line and turn the ignition switch a couple of notches. This will activate the fuel pump and allow the fuel to be drained. It is important to note that you may need to hotwire the relay to make the pump run with the line disconnected. Additionally, the ECM (engine control module) may shut the pump off after a few seconds if it does not detect the engine running, so you may need to run a hot wire.
Using a Hand Pump
If you have a diesel Ford Focus, such as the 1.8 TDCi model, you may need to use a hand pump to drain the fuel. This is because Ford does not fit an in-tank lift pump in the majority of their diesel cars. Attach a hose to the fuel filter and pump the fuel out into a suitable container.
Using a Cheap Fuel Pump
You can also find a cheap fuel pump and hook it up to a battery, such as the Ford Focus car battery. Connect a hose to the fill tube or the tank itself after disconnecting some hoses. The gas will then be pumped through another hose into a gas can or another vehicle.
Using the Installed Pump
If you prefer not to mess with the fuel lines, you can use the installed pump. Unplug the fuel pump driver under the back seat and run a heavy wire from the battery to the positive wire to the pump. This will put 12 volts to the pump, making it pump faster, and the fuel will keep it cool. Then, take the fuel line loose and hook a hose to your gas can or container.
Please note that these methods may not apply to all models and years of the Ford Focus, and it is always recommended to consult a qualified repair technician for assistance if you are unsure.
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Dropping the tank
If you want to attempt it yourself, you will need to place the car up on a garage-style ramp to give any vapour room to spread out. It is also important to work in a well-ventilated area, preferably outdoors with a constant throughput of moving air to disperse the vapour. You should also disconnect the battery and remove any other potential sources of ignition.
Once the car is in position, you will need to locate the fuel pump and other tubes and hoses. Be aware that fuel tanks can be under high pressure, so release the pressure before you start. Then, you can unhook the pump and tubes and hoses and pour out the fuel into a suitable container.
It is important to note that this process can be dangerous, and there is a risk of explosion if not done properly. If you are unsure about any part of the process, it is best to consult a professional.
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Using a hand pump
To drain a Ford Focus fuel tank using a hand pump, you will need to first gain access to the fuel tank. This can be done by removing the rear carpet and seats to access the fuel tank/gauge sender unit.
Once you have located the fuel tank, the next step is to disconnect any wires and remove the unit from the tank. Be cautious and take note of the fuel lines and hoses, as you will need to disconnect these as well.
Now, you can use your hand pump to siphon the fuel out of the tank. Place one end of the pump down the fuel fill neck and into the tank. If you are concerned about old fuel containing water, you can pour a container of dry gas into the tank first.
Ensure that you have a suitable container to collect the drained fuel. This process may take some time, but it will help protect your engine from any damage caused by contaminated fuel.
It is important to note that some Ford Focus models may have a siphon-resistant system, so an alternative method to drain the fuel tank may be required. Additionally, always exercise caution when working with fuel and ensure proper ventilation.
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Frequently asked questions
The best way to drain your Ford Focus fuel tank is to take it to a qualified repair technician. If you want to do it yourself, you can try siphoning the fuel, but this can be difficult and unsafe.
The tube of a siphon kit hits a screen when you send it down, so it cannot be siphoned well.
The safest way to drain your Ford Focus fuel tank is to do it electronically. You can do this by jumping the fuel pump relay and disconnecting the line at the rail or fuel filter, then pumping the fuel into a suitable container.
Before attempting to drain your Ford Focus fuel tank, you should disconnect the vehicle's battery and remove any other potential sources of ignition. You should also do this outdoors in a well-ventilated area to disperse any fuel vapour.
