Katerina Swanson
Diesel fuel gelling is a common issue for many drivers during the winter, occurring when the paraffin in diesel solidifies due to a drop in temperature. This can cause the fuel to stop flowing, affecting vehicle performance. There are several methods to address gelled diesel fuel, including warming the fuel tank, using fuel additives, and applying fuel conditioners. Additionally, preventative measures, such as using winter blends and fuel conditioners, can be taken to avoid fuel gelling. Beyond gelling, diesel fuel tanks can also encounter issues like microbial growth, water contamination, and debris buildup, requiring cleaning methods such as fuel polishing, filtration, and the use of solvents or detergents.
Characteristics and Values Table for Cleaning Jelled Diesel Fuel
| Characteristics | Values |
|---|---|
| Cause | Paraffin in diesel solidifies due to a drop in temperature |
| Prevention | Use fuel additives and winter blends |
| Thawing | Take it to a shop, DIY by warming the fuel tank, use a fuel additive like Sno-Cat™ |
| Fuel Polishing | Removes impurities, reduces chances of damage, filters out water and microbial contamination |
| Filtration | Removes sludge, debris, and sediment from the fuel |
| Cleaning the Tank | Drain and spray with a solvent, wash with old fuel, steam clean, use a detergent, use methyl ethyl ketone (MEK) |
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What You'll Learn
Fuel additives
One such additive is CleanBoost® Sno-Cat™. To use it, pour an ounce of Sno-Cat™ for every 10 gallons of fuel remaining in the gelled tank. You can also remove the frozen diesel fuel filter and pour Sno-Cat™ directly on the filter element and the filter housing.
Another additive is Diesel Extreme, which is a fully formulated, concentrated cleaner that removes all internal diesel injector deposits (IDIDs), including waxy and polymeric deposits. It also contains a cetane booster, lubricity additive, and fuel stabilizer to improve performance while cleaning the fuel system. Diesel Extreme is safe to use in all diesel engines, including semi-trucks, pickup trucks, farm equipment, and autos. The recommended frequency of use is one treatment every 6000 miles.
There are also anti-gel additives that can be used to prevent fuel from gelling in extreme cold conditions. These additives can also help clear built-up gel from lines and filters. Lubricity additives are also available, which can improve the performance of older trucks designed to run with sulfur in the fuel.
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Thawing gelled diesel fuel
Gelled diesel fuel is a common problem for many drivers during the winter season. This happens when the paraffin in diesel solidifies due to a drop in temperature. The easiest way to fix gelled diesel fuel is to take it to a shop and let it thaw by having it heated. However, this is not always convenient or affordable.
There are several products available that can help to thaw gelled diesel fuel. These include CleanBoost® Diesel Rescue Emergency De-Gel™, Opti-Lube Gel Melt, Diesel 911, and Quick Thaw. These products are designed to be added to the fuel tank, following the dosing instructions, and can help to liquefy the gelled fuel and restore the fuel system. For example, Quick Thaw claims to completely thaw and restore the entire fuel system in about 20 minutes when used according to directions.
Another option is to use a fuel additive or conditioner such as CleanBoost® Sno-Cat™. This can be poured directly into the fuel tank and onto the filter element and filter housing. Fuel additives can help to prevent the gelling of diesel fuel in the first place and can also be used to treat gelled fuel.
In some cases, simply allowing the vehicle to sit in a heated space for a few hours may be enough to fix the gelling problem. This is because diesel fuel will return to its normal state once the temperature rises above the gel point. However, this may not always be feasible, especially in colder climates.
It is important to note that preventing diesel fuel from gelling in the first place is key. This can be done by using a winterized blend of diesel fuel, adding a fuel additive or anti-gel to the tank, and taking precautionary measures such as storing diesel fuel in optimal conditions and regularly checking for water contamination.
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Preventing water contamination
Gelled diesel fuel is a common problem for drivers during the winter season. The paraffin in diesel solidifies due to a drop in temperature, causing the fuel to become cloudy and eventually unable to flow. While there are ways to fix gelled diesel fuel, such as warming the fuel tank or using fuel additives, preventing the gelling of fuel in the first place is ideal. This can be done by using winter blends and priming fuel with a conditioner.
Water contamination in diesel fuel is a critical issue that can cause significant damage to engines and machinery. Diesel fuel has hygroscopic qualities, meaning it attracts and absorbs moisture from the air. Additionally, water can enter diesel fuel through leaky storage tanks, poor tank seals, condensation, and human error, such as leaving the fuel tank cap off.
To prevent water contamination, it is essential to practice proper fuelling procedures and maintenance. Here are some specific ways to prevent water contamination:
- Buy diesel fuel from reputable sources with well-maintained systems to minimize the risk of water contamination.
- Use a fuel circulator to prevent diesel fuel in storage tanks from becoming stagnant, especially in low-usage tanks.
- Regularly replace filters to stop sludge and water from getting into the machinery before dispensing.
- Use a fuel tank water absorber like Aquafighter to remove water from diesel fuel.
- Utilize a top-tier filtration system to remove water, vapour, and contaminants from diesel fuel.
- Store diesel fuel in a tank that is free from water contamination and check the tank weekly for any signs of water leakage.
- Keep the tank full to help prevent condensation, which can lead to water contamination.
- Use a fuel additive like Clear-Diesel Fuel & Tank Cleaner to remove water and stabilize fuel during long-term storage.
By following these preventive measures, you can help maintain the efficiency and longevity of your engine and avoid the adverse effects of water-contaminated diesel fuel.
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Fuel polishing
Gelled diesel fuel is a common problem for many drivers during the winter season. This occurs when the paraffin in diesel solidifies due to a drop in temperature. While there are various DIY methods to fix gelled diesel fuel, such as warming the fuel tank or using a fuel additive, it is important to address the root cause and prevent the gelling of fuel in the first place. This is where fuel polishing comes in.
The process of fuel polishing typically involves multiple stages of filtration, where the fuel is decontaminated. During this task, diesel passes through several progressively smaller filters, trapping suspended solids but allowing fluids to pass through. Some filters also have the ability to filter out water from diesel, usually through absorption. Advanced filters use centrifugal force to separate water and capture suspended particles.
Overall, fuel polishing is a vital process to maintain the integrity of diesel fuel and prevent potential issues caused by contaminated fuel. It is a comprehensive solution that addresses various types of contaminants and helps keep fuel-powered operations running smoothly.
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Cleaning the fuel tank
Gelled diesel fuel is a common problem for many drivers during the winter season. This occurs when the paraffin in diesel solidifies due to a drop in temperature. There are several ways to clean a diesel fuel tank and address gelled diesel fuel.
Fuel additives and conditioners
Using fuel additives and conditioners is an easy way to fix gelled diesel fuel. Additives such as CleanBoost® Sno-Cat™ can be poured directly into the fuel tank and onto the filter element and housing. This method can also be used to prevent fuel gelling.
Warming the fuel tank
Another way to fix gelled diesel fuel is to warm the fuel tank. This can be done by placing a propane torpedo heater under the tank and surrounding the truck with bales of hay to retain the heat. Alternatively, a tarp can be placed over the engine while it is being heated.
Fuel polishing
Fuel polishing is a technical cleaning process that helps remove sediment, water, and microbial contamination from diesel fuel. It involves filtering the fuel through progressively smaller filters, trapping suspended solids, and allowing fluids to pass through. This process can be used to prevent contamination during long-term fuel storage.
Cleaning the tank
If the fuel tank is severely contaminated, it may be necessary to remove and clean the tank. This can be done using hot water, steam, and a heavy detergent. The tank should be inspected for rust and other debris, and any necessary repairs or replacements should be made.
Preventing contamination
To prevent fuel contamination, it is important to store diesel fuel in a tank that is free from water contamination and to check the tank weekly for any signs of water leakage. Keeping the tank full can also help prevent condensation. Additionally, using winter blends and priming fuel with a conditioner can prevent fuel gelling.
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Frequently asked questions
Diesel fuel gelling occurs when the paraffin in diesel solidifies due to a drop in temperature. This can cause the fuel to stop flowing.
To prevent diesel fuel gelling, you can use fuel additives and winter blends. It is also important to store diesel fuel at the correct temperature and prevent water contamination.
To clean diesel fuel that has gelled, you can use a fuel additive/conditioner such as Sno-Cat™. You can also try warming the fuel tank or taking it to a shop to have it heated.
