
If you want to drain your Corsa C fuel tank, there are a few methods you can try. One option is to disconnect the fuel feed pipe from the engine and place the end in a large can. You can then activate the fuel pump by pulling out the fuel pump relay from the fuse box and shorting out pins 4 and 8 with the ignition on. Another method is to drain the tank from the inside of the car by opening the inspection cover under the rear seats and using a siphon pipe to pump out the fuel. It's important to do this outside and to have a petrol-proof container to catch the fuel. If you need to drain water from the fuel tank, you can put a jug after the fuel filter and toggle the key until all the fluid is sucked out.
How to drain a Corsa C fuel tank
| Characteristics | Values |
|---|---|
| Reason for draining | To remove water or petrol from the tank |
| Tools required | Jug, petrol proof container, fuel filter, bottle of Dry-gas (gas line antifreeze), syphon pipe, fuel pump |
| Steps | 1. Place a jug after the fuel filter; 2. Toggle the key until all fluid is removed; 3. Change the filter; 4. Crank the engine until cleared; 5. Disconnect the fuel feed pipe from the engine; 6. Pull out the fuel pump relay from the fuse box; 7. Short pins 4 and 8 with ignition on to activate the fuel pump |
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What You'll Learn

Disconnect the fuel feed pipe from the engine
To disconnect the fuel feed pipe from the engine of your Corsa C, you will need to locate the fuel feed pipe. This should be somewhere on the fuel line. Once you have found the fuel feed pipe, you can disconnect it from the engine. Place the end of the pipe into a large fuel-proof container to catch the fuel.
Safety is paramount when working with fuel. It is important to perform this task outdoors, where there is good ventilation. Also, ensure you are wearing the correct safety gear, including gloves and eye protection.
Before disconnecting the fuel feed pipe, it is important to relieve the fuel system pressure. This can be done by removing the fuel pump relay from the fuse box, which is located in the front left of the block of six large relays. With the ignition on, short pins 4 and 8 to activate the fuel pump and drain the fuel. Pin 4, the nearest to the near side of the car, is the 12V feed, and pin 8, nearest the rear, connects to the fuel pump.
After disconnecting the fuel feed pipe, ensure that the end is securely placed in the fuel container to avoid any spills or leaks. It is also important to be careful not to damage the fuel feed pipe during this process, as any damage could lead to leaks or further complications.
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Use a valve or cap to drain
If your Corsa C has a draining valve or cap, you can use this to drain the fuel tank. First, make sure you are outside and have a petrol-proof container to catch the fuel. Place this underneath the tank. Then, open the valve or cap and allow the fuel to drain out.
If your car doesn't have a draining valve or cap, there should be a connector on the fuel line that you can remove. You can then stick the end of the fuel feed pipe into a large can or container.
Another option is to open the inspection cover under the rear seats and pump out the fuel with a siphon pipe. Be careful not to spill any fuel on the interior of your car.
Always exercise caution when handling petrol and ensure you are in a well-ventilated area.
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Drain water from the tank
If you have accidentally put water into your Corsa C fuel tank, the first step is to put a jug after the fuel filter and keep toggling the key until all fluid is sucked out of the tank. Change the filter afterwards. You can also use a vacuum cleaner and a hose pipe to drain the water.
Another method to drain the tank is to disconnect the fuel feed pipe from the engine and stick the end in a big can. Remove the fuel pump relay from the fuse box (found in the front left of the block of 6 large relays). Shorting out pins 4 and 8 with ignition on will activate the fuel pump. Pin 4 (the one nearest to the near-side of the car) is the 12V feed, and pin 8 (nearest the rear of the car) is the connection to the fuel pump.
For the fuel lines and injectors, you will need a bottle of Dry-gas (gas line antifreeze) and you will need to crank the engine until it clears up.
Please note that you should perform this task outside and use a petrol-proof container to catch the fluid.
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Use a jug after the fuel filter
To drain your Corsa C fuel tank, you will need to put a jug after the fuel filter. This process will require some tools and knowledge of your car's fuel system. Here is a step-by-step guide to help you:
Firstly, locate the fuel filter in your car. This is usually found somewhere along the fuel line, which runs from the fuel tank to the engine. You may need to refer to your car's manual or seek advice from a mechanic if you are unsure. Once you have located the fuel filter, place a jug or a large container underneath it to collect the fuel. Make sure that the container is petrol-proof and can safely hold the amount of fuel you intend to drain.
Next, you will need to toggle the key to start the car. Keep toggling the key until all the fluid is sucked out of the tank and into the jug. You may need to crank the engine for a while to ensure that as much fuel as possible is drained. This step is important, as it ensures that the fuel is removed from the tank and does not remain in the lines or the engine.
After you have drained the fuel, you will need to change the fuel filter. This is important to ensure that any water or contaminants removed along with the fuel do not re-enter the fuel system. Finally, ensure that you dispose of the drained fuel safely and in accordance with local regulations. Do not pour it down the drain or into the environment, as it can cause pollution. Take the fuel to a designated disposal site or recycling centre if necessary.
By following these steps, you can effectively drain your Corsa C fuel tank using a jug placed after the fuel filter. Remember to take appropriate safety precautions and refer to a professional if you are unsure about any part of the process.
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Pump out with a siphon pipe
To pump out the fuel from your Corsa-C using a siphon pipe, first open the inspection cover under the rear seats. You should then be able to pump out the fuel with a siphon pipe. Make sure you don't spill any fuel on your car's interior. Also, do this outdoors and have a petrol-proof container to catch the fuel in.
Another option is to disconnect the fuel feed pipe from the engine and stick the end in a large can. Then, pull out the fuel pump relay from the fuse box (found on the front left of the block of six large relays). With the ignition on, shorting out pins 4 and 8 will activate the fuel pump. Pin 4 (the nearest to the near side of the car) is the 12V feed, and pin 8 (nearest the rear of the car) is the connection to the fuel pump.
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Frequently asked questions
To drain water from the tank, put a jug after the fuel filter and keep toggling the key until all fluid is sucked out. Change the filter afterwards. For the lines and injectors, you will need a bottle of Dry-gas (gas line antifreeze) and you will have to crank the engine until it clears up.
One option is to open the inspection cover under the rear seats and pump the fuel out with a siphon pipe. Make sure to do this outside and have a petrol-proof container to catch the fuel.
Stick the end in a big can. Pull out the fuel pump relay from the fuse box, which is on the front left of the block of 6 large relays. Shorting out pins 4 and 8 with the ignition on will activate the fuel pump. Pin 4 is the 12V feed and pin 8 is the connection to the fuel pump.
One forum where people ask questions about their Corsa C is the Vauxhall Corsa-C Forum. Another forum is the Opel Corsa forum on CarGurus.











































