Rajan Wilcox
POR-15 Fuel Tank Sealer is a high-tech sealer that is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. It is designed for metal fuel tanks and acts as a liner to stop rust, corrosion, and small fuel leaks. The sealer is applied by pouring it into the tank, coating all the surfaces, and then draining the excess. While the product is generally well-regarded, some users have noted that it is difficult to remove from the skin and that it may not provide the expected durability. Additionally, there is no straightforward solution for removing the sealer from a tank, with some suggesting burning it off or using a solvent like dichloromethane.
| Characteristics | Values |
|---|---|
| Type | Paint-like product |
| Use | Coating and sealer for rusty, leaky gas tanks |
| Resistance | Resistant to all fuels, alcohols, and additives |
| Volume | 8 fluid ounces, 128 fluid ounces, 16 fluid ounces, 32 fluid ounces |
| Colour | Metallic silver |
| Application | Single application coating |
| Cleaning | Use Cleaner Degreaser and Metal Prep before applying sealer |
| Removal | Burning off the coating with a torch, soaking in dichloromethane, or using aircraft stripper |
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$44.99 $49.95
What You'll Learn
Removing POR-15 sealer
POR-15 is a paint-like product that is used as a coating and sealer for rusty, leaky gas tanks. It is formulated to be impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. While it is an effective sealant, removing POR-15 can be challenging due to its strong adhesion and resistance to solvents. Here are some methods that have been suggested for removing POR-15 fuel tank sealer:
Mechanical Removal
One option for removing POR-15 is mechanical removal, which involves using tools or abrasives to physically strip the coating. This method can be labour-intensive and may not always be effective, especially if the coating is firmly adhered to the surface. Some people have reported using nuts and bolts, along with a solvent, to help scrape and remove the sealer.
Burning or Heating
Another method is to use a torch to burn off the coating, but this should be done with caution to avoid any fumes or safety hazards. Similarly, heating the tank with a hairdryer or propane torch can help soften the sealer, making it easier to remove. However, it's important to ensure that the tank is completely dry before attempting this method, as mentioned by a user who spent hours drying the tank with a hairdryer.
Solvents
While POR-15 is resistant to most solvents, some people have found success with specific chemicals. These include:
- Methylene Chloride (dichloromethane): Soaking the coated parts in this solvent can help soften and remove the sealer.
- Acetone: This solvent is known to break down similar tank sealers, but its effectiveness on POR-15 may vary.
- MEK (Methyl Ethyl Ketone): MEK is a strong solvent that can be used, but it may also affect finished paint jobs.
- Dimethylformamide (DMF): DMF is suggested as a solvent for polyurethanes, but it is not environmentally friendly or healthy.
- Aircraft Stripper or Citri-Strip: These strippers may have some success in removing POR-15, but they will create a mess and require significant effort.
It is important to note that POR-15 does not recommend any specific chemical for removing their product once it has cured, and reapplying the sealer on top of old sealer is not advised, as it will not stick to itself. Overall, the removal process for POR-15 fuel tank sealer can be challenging and may require multiple attempts with different methods.
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Preparing the metal
Cleaning and Degreasing:
Start by draining all the fuel from the tank and removing the tank from the vehicle. Mix one quart of POR-15 Cleaner Degreaser with one quart of hot water. Use this solution to thoroughly clean the inside of the tank, removing any gum, varnish, sludge, grease, oil, or surface debris. You can use a bottle of rustoleum rust stripper along with nuts and bolts to scrub the interior of the tank. Then, rinse the tank with clean water to remove any residual cleaning solution.
Drying and Rust Management:
After cleaning, allow the tank to dry completely. During the drying process, a thin layer of rust may form. Don't be alarmed, as a little rust is actually beneficial for the POR-15 sealer to work effectively.
Metal Etching and Preparation:
Once the tank is dry, it's time to etch and prepare the metal surface for better adhesion of the sealer. Purchase and use the POR-15 Metal Prep solution, following the manufacturer's instructions. This solution will dissolve any remaining rust, coat the tank with zinc phosphate, and etch the metal surface. Make sure to coat all interior surfaces thoroughly.
Final Rinsing and Drying:
After applying the Metal Prep solution, rinse the tank with clean water to remove any residual chemicals. Then, let the tank dry completely once again. It is crucial to ensure that the tank is entirely dry before proceeding to the next step of applying the POR-15 Fuel Tank Sealer.
By meticulously following these steps, you will effectively prepare the metal surface, ensuring optimal adhesion and performance of the POR-15 Fuel Tank Sealer.
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Applying the sealer
Once the tank is thoroughly cleaned and prepared, you can start the sealing process. First, mix one quart of Cleaner Degreaser with one quart of hot water. This solution will help remove any remaining residue or contaminants from the tank. After applying the solution, make sure to rinse the tank thoroughly with water and let it dry completely.
The next step is to prepare the metal surface for better adhesion of the sealer. This is done by using POR-15 Metal Prep, which helps dissolve rust and etch the metal. After pouring in the entire bottle of Metal Prep, coat the tank with zinc phosphate. This step is crucial for ensuring that the sealer adheres properly to the metal surface. Again, make sure to rinse the tank with water and let it dry completely after applying the Metal Prep.
Now, you are ready to apply the sealer. When the tank is completely dry, pour in the entire can of POR-15 Fuel Tank Sealer. Seal all the holes and shake the tank for several minutes to ensure that all surfaces are coated evenly. After coating, drain the excess sealer from the tank and let it dry for about half an hour. Finally, use a tissue to carefully soak up any remaining excess sealer without wiping away the newly created protective layer.
It is important to follow the directions provided with the POR-15 Fuel Tank Sealer and take the necessary precautions during the application process. Always wear gloves and protect your skin and eyes from direct contact with the sealer, as it can be challenging to remove once hardened.
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Removing excess sealer
Preparation and Safety:
Before starting, ensure you have the necessary safety gear, including gloves and protective clothing. POR-15 Fuel Tank Sealer can bond strongly with skin, so immediate washing with soap and water is crucial if it comes into contact with your skin. Work in a well-ventilated area to avoid inhaling any fumes.
Mechanical Removal:
One recommended method for removing excess sealer is mechanical removal. This involves using tools such as nuts and bolts, along with a solvent like Rustoleum Rust Stripper, to physically scrape and strip away the excess sealer from the interior of the fuel tank. This process should be done carefully to avoid damaging the underlying coating.
Cleaning and Degreasing:
Before applying any new coating or attempting to remove excess sealer, it's crucial to clean and degrease the fuel tank thoroughly. POR-15 offers a Cleaner Degreaser specifically designed for this purpose. Mix one quart of the Cleaner Degreaser with one quart of hot water and use this solution to remove any gum, varnish, or sludge from the inside of the tank. Rinse the tank thoroughly with water after this step.
Metal Preparation:
To ensure the best adhesion of the sealer and to address any rust issues, it's recommended to use a metal preparation product. The POR-15 Metal Prep solution is designed to dissolve rust and etch the metal surface for improved adhesion. After applying the Metal Prep, be sure to rinse and dry the tank completely before proceeding to the next step.
Draining Excess Sealer:
Once the tank is clean, dry, and prepared, you can pour in the entire can of Fuel Tank Sealer. After coating all surfaces, it's crucial to drain the tank for a sufficient amount of time to remove any excess sealer. The recommended drainage time is about an hour. This step ensures that only the necessary amount of sealer remains, creating a uniform and effective coating.
Final Steps:
After removing the excess sealer and allowing the tank to dry, you can use fuel preservation and stabilizer products to maintain your fuel system and prevent "stale gas" issues. Additionally, always follow the safety and usage instructions provided by the manufacturer for the best results and to ensure your safety during the process.
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Maintaining the fuel system
Cleaning the Fuel System
Over time, carbon deposits, dirt, and debris can accumulate in the fuel system, leading to reduced engine performance and fuel efficiency. A fuel system cleaning service involves carefully cleaning components such as fuel injectors, intake valves, and combustion chambers to ensure optimal engine performance.
Using Quality Fuel and Fuel Additives
Using high-quality fuel can help prevent the buildup of deposits in the fuel system, reducing the risk of clogged fuel injectors. Additionally, consider using fuel additives, which are added directly to the fuel tank to remove moisture and maintain injectors and other parts, extending the effects of fuel system cleaning.
Monitoring Fuel Pressure and Oxygen Sensors
Keep an eye on your fuel pressure to ensure it remains within the optimal range specified in your owner's manual. Low fuel pressure may indicate a problem with the fuel pump or fuel pressure regulator. Regularly check and replace the oxygen sensor in your vehicle's exhaust system as per the manufacturer's recommended schedule.
Maintaining the Fuel Tank
A well-maintained fuel tank is crucial. Before applying any coating or sealer to your fuel tank, ensure it is thoroughly cleaned and dried. While products like POR-15 Fuel Tank Sealer can help prevent rust and corrosion, they may be challenging to remove once applied. Always follow the manufacturer's instructions for proper application and removal.
Routine Fuel System Services
In addition to regular oil changes, routine fuel system services are essential. Many manufacturers recommend cleaning your fuel system every 30,000 miles, but consult your owner's manual or a trusted mechanic for personalized advice. Getting your fuel system cleaned can help identify and address common issues, such as faulty sensors or buildup on components, ensuring your vehicle runs smoothly and efficiently.
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Frequently asked questions
POR 15 Fuel Tank Sealer is a high-tech sealer that is impervious to all fuels, including diesel, E10 ethanol, and high alcohol content fuels. It is designed to stop rust, corrosion, and small fuel leaks.
First, mix 1 quart of Cleaner Degreaser with 1 quart of hot water and use this solution to remove any gum, varnish, or sludge from the inside of the tank. Next, pour in the entire bottle of Metal Prep to dissolve rust, coat the tank with zinc phosphate, and etch the metal for better adhesion of the sealer. After the tank is clean, drain the tank and rinse thoroughly with water. Let the tank dry. When totally dry, pour in the entire can of Fuel Tank Sealer. After all surfaces have been coated, drain the tank for about an hour to remove excess sealer.
POR 15 Fuel Tank Sealer is known for its superior strength and fuel resistance. It is also easy to apply and provides a rock-hard finish. Additionally, it is perfect for automotive restoration, making it suitable for use in cars, trucks, and motorcycles.
It is important to wear gloves and protective gear when using POR 15 Fuel Tank Sealer as it can be difficult to remove from the skin if it hardens. The sealer should also not come into contact with plastic components inside the fuel tank, as it does not adhere well to plastic. Ensure that the fuel tank is free from contamination and structurally sound before applying the sealer.
Removing POR 15 Fuel Tank Sealer can be challenging due to its strong adhesive properties. Some methods suggested by users include burning off the coating with a torch (ensuring no fumes are left), using a solvent like dichloromethane (methylene chloride), or mechanical removal techniques such as abrasion. However, it is important to note that these methods may not be perfect and can be messy and time-consuming.
