Rajan Wilcox
Water in a fuel tank can cause serious performance issues, especially when accelerating. If you're looking to get rid of water in your fuel tank, there are a few methods you can try. One common approach is to siphon or pump the water out of the tank, either manually or with the help of a professional. You can also try using additives such as isopropyl alcohol, Startron, or Sea Foam to absorb or burn off the water. Additionally, you may want to consider draining and cleaning the tank, or using ethanol-free fuels to prevent water absorption in the future.
How to get rid of water in a fuel tank
| Characteristics | Values |
|---|---|
| Tools | Siphon pump, hose, syphon hose, electric fuel pump, water separating fuel filter, funnel, water separation filter, primer bulb, fuel filtration guy, tube, fuel cans, stabilizer, Startron Enzyme fuel additive, K100 marine grade, Seafoam |
| Actions | Siphoning, pumping, sucking, draining, tilting the stern back, moving weight aft, flushing fuel lines, replacing the fuel filter, filling up the tank, using good-quality fuel, using ethanol-free fuels |
| Notes | Gasoline is lighter than water, so water settles at the bottom of the tank. Water does not burn, so it needs to be removed from the tank. Water can cause severe damage to the motor. |
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What You'll Learn
Siphoning the water out
If you want to siphon water out of your fuel tank, you'll need to follow a few important steps. Firstly, it's crucial to understand that gasoline contains poisonous hydrocarbons, so be cautious to avoid swallowing any fuel or inhaling its vapours.
Now, to begin the process, locate the fuel pump and carefully remove it. You can then siphon from this point, being sure to have an empty gas can or another closed container ready to collect the fuel. Use plastic tubing to siphon the fuel, and be mindful of any anti-siphon barriers which may be present in the tank. These can sometimes be held open with a screwdriver.
As you siphon, pay close attention to the fuel and water levels. Water sits below gasoline, so you'll know you're reaching the water when the fuel level drops. You won't be able to siphon all the water out, but get as much as you can, and then add fresh gasoline to your tank. You may also want to add an octane booster or a product like Seafoam to help your engine burn off any remaining water.
Finally, when you're done, safely remove the tubing and seal the gas can. Clean your siphon pump if necessary, following the manufacturer's instructions.
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Using a fuel pump
Water in a fuel tank can cause serious performance issues, especially when accelerating. It is important to remove water from a fuel tank as soon as it is detected.
One way to remove water from a fuel tank is by using a fuel pump. Firstly, check for water contamination in the tank. Pull the filters and dump them into a clear container to see how much water there is. If there is a significant amount of water, you may be able to use the primer bulb with the output disconnected from the motor to pump the water out.
Alternatively, attach a fuel pump to the existing fuel line to the engine. Add a short hose to the pump outlet and pump the fuel into 5-gallon containers. You can then dispose of the fuel or give it to a landscaper.
If you are unable to use the primer bulb or attach a fuel pump to the fuel line, you can try removing the fuel tank and cleaning it. Pull the fuel pump assembly out and siphon the water from there.
Another option is to use an electric fuel pump with a gas/water separator. Attach a fuel hose to the pump and use it to pump the fuel out of the tank and into gas cans. The water separator will help to remove the water from the fuel.
It is important to note that you may not be able to siphon or pump out all the water using the factory fuel pump. In this case, you may need to add fresh ethanol fuel to absorb some of the water, or remove and clean the fuel tank.
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Using a water-absorbing product
Water in a fuel tank can cause serious issues, from blocking fuel filters to equipment damage, engine system corrosion, and poor fuel efficiency. To avoid these issues, you can use a water-absorbing product to remove water from your fuel tank.
One option is to use a fuel tank water absorber like Aquafighter, which can remove both free and emulsified water from diesel and oil tanks. It is important to note that the effectiveness of the Aquafighter water absorber can be influenced by factors such as the level of fuel contamination, high humidity, and leaks, which may require more frequent replacement. Before using Aquafighter, it is recommended to clean your fuel and tank if they are considerably dirty. The model of Aquafighter water absorber you choose will depend on the size of your tank opening and its capacity.
Another water-absorbing product mentioned online is HEET, which is added to gas in cars during the winter to burn off water. However, some users have reported that it can cause the motor to run poorly until the mixed water/HEET portion of the fuel is burned off.
Wood alcohol is another option for absorbing water in a fuel tank, and it is recommended to add a fuel stabilizer during the first few tank fill-ups after using it.
When using any water-absorbing product, be sure to follow the manufacturer's instructions and take appropriate safety precautions.
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Draining the tank
Firstly, it is important to confirm water contamination before attempting any repairs. To do this, you can remove the fuel filters and empty their contents into a clear container. If you find water in the container, then it is likely that your fuel tank has water contamination.
If your vehicle is a car or truck, you have a few options for draining the tank:
- Siphoning: You can try to siphon the water and fuel mixture out of the tank through the fill hose or fuel pump. While it is difficult to siphon all the water out, this method can remove a majority of it.
- Fuel Pump: An alternative method is to remove the fuel pump assembly and siphon from there. This allows you to see into the tank and determine when all the water has been removed.
- Additives: Instead of draining, you can add fresh ethanol fuel or additives such as Startron Enzyme, Sea Foam, or isopropyl alcohol to help burn off or absorb the water. However, it is important to note that additives are not a quick fix, and it may take time to get the water out.
For boats, the process may differ slightly:
- Electric Pump: An electric in-line fuel pump can be used to drain the fuel tank by pulling the fuel through a water separator filter. The fuel can then be pumped into fuel cans or back into the boat.
- Professional Cleaner: You can hire a professional fuel filtration service to come to your boat. They will use a tube to suck out the gas and filter it, returning the clean fuel to the boat.
It is important to note that some amount of water in the fuel tank may remain after draining. To prevent future water contamination, it is recommended to use good-quality, ethanol-free fuel when filling up your vehicle. Additionally, regularly check your fuel filters and keep your tank clean.
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Hiring a professional cleaner
If you're looking to hire a professional cleaner to get rid of water in your fuel tank, there are a few things to keep in mind. Firstly, make sure the cleaner has experience with fuel tank cleaning, specifically with the type of fuel you have, whether it's gasoline or diesel. This is important because gasoline is considered a "volatile" fluid, so finding someone qualified to handle it may be more challenging.
When hiring a professional, they may use a variety of methods to remove water from your fuel tank. One common approach is to use a pump to remove the water. The cleaner will need to access the fuel tank and may use a tube or hose to reach the water and pump it out. They may also use a fuel filtration system that can separate the water from the fuel and return clean fuel to your tank. This method has the added benefit of removing dirt and debris.
Another approach is to siphon the water out of the tank. The professional may use a hand siphon pump or an electronic lift pump to remove the water. They may also recommend adding additives to your fuel tank, such as Clear-Diesel Fuel & Tank Cleaner, to remove water and stabilize the fuel. These additives can be effective in preventing and addressing microbial contamination, which can be a concern in diesel fuel.
When hiring a professional cleaner, be sure to ask about their process, the equipment they will use, and any safety precautions they will take. It is important to ensure that they have the necessary qualifications and experience to handle the job safely and effectively. Ask for references or reviews from previous clients to get an idea of their work quality and professionalism.
Additionally, consider the cost of hiring a professional cleaner. Get quotes from multiple companies to compare prices and services offered. Make sure you understand what is included in the quoted price to avoid unexpected charges. By following these steps, you can ensure that you hire a qualified and reputable professional to safely and effectively remove water from your fuel tank.
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Frequently asked questions
You can siphon the water out of the tank, add fresh fuel and an additive, or hire a professional cleaner to do the job.
Your vehicle may experience performance issues, especially when accelerating.
Always use good-quality fuel and consider using ethanol-free fuels as ethanol absorbs water.
