Mercedes Mullins
While some people have used CRC Brakleen to clean out their fuel lines, it is not recommended. Brakleen is a harsh chemical that can damage your car's components if misused. It is also highly toxic and can release phosgene gas when heated or burned, which can be harmful to your health. A safer alternative to clean your fuel lines would be to use a parts-cleaning solvent or a product called Ballistol.
Can I use Brakleen to clean out fuel lines?
| Characteristics | Values |
|---|---|
| Effectiveness | Some users claim that brakleen does not work on thick, green, tar-like, slimy sludge caused by diesel bacteria. However, others suggest that it can be used to clean out fuel lines, especially dried-up and varnish-like fuel. |
| Safety | Brakleen is not safe to use on rubber, plastic, wires, or harnesses. It can make plastic brittle and rubber soft and will cause them to decompose over time. It is also toxic and can cause skin irritation and defatting injury. |
| Alternative uses | Brakleen is mainly used for cleaning brake disks, the engine compartment, and the underfloor of motor vehicles. It can also be used to clean metal parts or metallic surfaces, removing oils, fats, resins, tar, and dust. |
| Alternatives | Alternative cleaning solutions include E85, methyl hydrate, acetone, and gasoline. |
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What You'll Learn
CRC Brakleen is a fuel line cleaner
CRC Brakleen is a highly effective cleaner for fuel lines. It is a fast-acting, powerful formula that can blast grime and grease off surfaces, and it is safe to use on brake parts. CRC Brakleen has been the market-leading brake cleaner since its development in 1971, and it is relied upon by hundreds of thousands of technicians and DIY enthusiasts alike for brake maintenance and service solutions. It is available in both chlorinated and non-chlorinated formulas, ensuring compliance with regulations across all 50 states.
CRC Brakleen is an excellent choice for cleaning dried-up and varnish-like fuel lines, and it can be used in conjunction with compressed air to ensure any residue is removed. The product is easy to use and comes in a variety of packaging options, including aerosol spray cans, jugs, pails, and drums, making it accessible and convenient for users.
However, some users have reported issues with the product's aerosol cans, specifically regarding the cans losing air pressure before the cleaner is finished. This issue has been raised by multiple customers, who have had to resort to using shop air to finish the product. Nevertheless, CRC Brakleen remains a popular choice for fuel line cleaning due to its effectiveness and accessibility.
Overall, CRC Brakleen is a reliable and powerful option for cleaning fuel lines and maintaining brake systems. Its availability in different formulas and packaging options makes it a versatile choice for professionals and amateurs alike, despite the potential issues with the aerosol cans.
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Toluene or xylene are alternative solvents
Toluene and xylene are volatile organic compounds (VOCs) that are widely used as solvents for paints and coatings. However, due to their negative impact on the environment and human health, there is a growing demand for safer and more environmentally friendly alternatives. These alternative solvents are known as naphthenes or naphthenic solvents, which are obtained through the hydrogenation of benzene and toluene. While they have a lower dissolving power, their formulation can be adjusted to meet specific requirements.
Naphthenic solvents have gained popularity as they retain the desirable solvent properties of aromatic solvents like toluene and xylene while eliminating their toxicities. They are manufactured to be free of xylene and other hazardous double-bonded hydrocarbons, making them significantly safer for use. This aspect is particularly advantageous for laboratories, where employee safety is a top priority. Additionally, recycling xylene substitutes can lead to substantial cost savings for labs while promoting a safer work environment.
One notable advantage of naphthenic solvents is their compatibility with plastics. This makes them ideal for use in special applications where other solvents would cause swelling or dissolution. For example, n-heptane and n-octane are recommended when using xylene- or naphthene-based paints for coatings to prevent damage to the plastic components. Naphthenic solvents are also effective as thinners for paints and coatings, as their steady evaporation ensures an even result.
In addition to naphthenic solvents, other alternatives to toluene and xylene include paraffinic and isoparaffinic hydrocarbons, as well as D-limonenes, which are primarily derived from the steam distillation of orange peels. However, it is important to note that these older substitutes are generally less effective than the solvents they aim to replace. Nevertheless, ongoing research and advancements in sustainable technologies are driving the development of eco-friendly alternatives that offer similar performance characteristics to toluene and xylene.
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Brake cleaners can be too harsh and damage parts
Brake cleaners are designed to clean brake parts and other metal components by removing grease, oil, dust, and dirt. They are usually in aerosol form and are easy to apply. However, they can be too harsh and cause damage to certain parts.
Brake cleaners are known to be harmful to most plastics and rubber. They can cause these materials to disintegrate or break down, resulting in permanent damage. Therefore, it is not advisable to use brake cleaners on plastic or rubber surfaces or components.
Additionally, brake cleaners can be harmful to the skin if exposed for a prolonged period. Users should always wash their hands and any exposed body parts after using brake cleaners. These cleaners contain toxic compounds that can be harmful to the respiratory system and other organs if inhaled or ingested. Proper ventilation is crucial when using brake cleaners.
Some alternative cleaning agents can be used instead of brake cleaners, such as acetone, white vinegar, rubbing alcohol, lemon juice, and baking soda. These alternatives are effective in removing tough stains and dirt while being less harsh on parts. They are also easily accessible and non-toxic.
When cleaning fuel lines, it is important to consider the type of fuel and the specific cleaning requirements. In some cases, letting the lines soak in a cleaning solution or using compressed air to blow out any build-up may be more effective and safer options than using harsh chemicals like brake cleaners.
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Water and detergent are a safer alternative
While some people use Brakleen to clean out fuel lines, it is not always effective, especially with thick, tar-like, or slimy substances. Water and detergent, on the other hand, are a safer and more effective alternative for cleaning fuel lines.
Water and detergent are a milder yet powerful combination that can break down and remove built-up dirt, debris, and other contaminants from fuel lines. By regularly using this method, you can prevent blockages and maintain optimal fuel flow to the engine. This proactive approach will not only improve your vehicle's performance but also extend the lifespan of your engine.
To clean your fuel lines with water and detergent, start by visually inspecting the lines for any signs of damage or leaks. Ensure that all connections are tight and secure. Then, follow these steps:
- Gather the necessary tools and supplies, including a container to collect any spilled fuel.
- Choose a high-quality fuel line detergent specifically designed to remove deposits and contaminants. Look for a detergent that is safe for your type of fuel system.
- Follow the instructions on the detergent packaging for proper use and application. Typically, you will need to flush the detergent through the fuel lines, allowing it to sit for a while before rinsing or flushing with clean water.
- After cleaning, dry the fuel lines with compressed air.
- Finally, cap the line and conduct a pressure test at low pressure (around 20 psi) to ensure there is no leakage.
Using water and detergent to clean your fuel lines is a straightforward and effective method that can be performed at home with the right tools and supplies. This process will help maintain the performance and longevity of your vehicle's fuel system.
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Compressed air can be used to clean fuel lines
Yes, compressed air can be used to clean fuel lines. However, it is important to exercise caution when doing so, as blowing compressed air through the lines can potentially damage the pump if not done correctly.
Before using compressed air, it is recommended to disconnect the fuel lines from the engine and pump, as well as the rubber portion of the lines. This will allow you to blow air through the lines more effectively and avoid damaging the pump. It is also suggested to use a new fuel pump or dribble gas into the carburettor before attempting to crank the engine.
One method for cleaning fuel lines with compressed air is to flow acetone through the lines first, followed by compressed air. Acetone is a good choice because it completely evaporates, leaving no trace behind that could contaminate the fuel supply. After cleaning with compressed air, it is recommended to replace the rubber lines with fuel injection hose or barricade line for better performance and to ensure no contamination.
When using compressed air to clean fuel lines, it is important to be mindful of where the debris and crud will be blown out. Blowing it back into the pump or into other parts of the car should be avoided, as it will just migrate around again. Instead, consider attaching a short piece of hose to the lines to direct the debris onto the ground or into a bucket. Additionally, ensure that the compressed air is clean by using an inline filter system.
Compressed air can be an effective way to clean fuel lines, but it should be done carefully and in conjunction with other methods, such as flushing with fresh gas, to ensure the lines are thoroughly cleaned without causing any damage to the vehicle.
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Frequently asked questions
Yes, you can use Brakleen to clean out fuel lines, but it is not recommended. While it is available at most auto parts stores, it can ruin the lubricated components of your fuel system.
Toluene or xylene are better choices for cleaning fuel lines. However, they are very "dry" solvents, so use them sparingly as they can also ruin lubricated components.
Yes, you can use kerosene, which is a great cleaner and easy to get for cheap.
You can create a setup with kerosene and a small fuel pump, an Arduino to run pulse control through a relay, and a spare +12V battery hookup. Run pulse width around idle values and run it for 5-10 minutes.
Avoid using a needle or poking at the fuel lines as this can destroy them and change their flow characteristics. Also, avoid spraying multiple cans of Brakleen into a bucket and then using a fuel pump with sparking wires, as this is extremely dangerous.
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