Regan Brown
Capless fuel tanks can pose a challenge for car owners looking to perform basic maintenance, such as adding fuel additives to keep their engines healthy. While some car manufacturers provide a special funnel in the trunk to facilitate the addition of fuel additives, others may require purchasing a nozzle or filler plug that fits the tank. This process can be cumbersome, and some workarounds include using a long, narrow metal or plastic tube to disengage the locks/tabs on the spring-loaded door, or pouring the additive into the pump spout in smaller amounts.
How to add fuel additive to a capless fuel tank
| Characteristics | Values |
|---|---|
| Funnel | Some car manufacturers provide a funnel in the trunk of the car, which can be used to add fuel additives. |
| Nozzle | A nozzle with a similar diameter to the fuel tank inlet can be used to open the metal flap and add the additive. |
| Tube | A long, narrow metal or plastic tube with a similar diameter to the nozzle can be used to disengage the locks/tabs on the spring-loaded door, allowing a funnel to be used. |
| Filler neck | Capless fuel tanks have two doors in the filler neck. The funnel provided by the manufacturer or a purchased funnel can be used to open both doors and add the additive. |
| Fuel stabilizer | STA-BIL® Fuel Stabilizer is an example of a fuel additive that can be challenging to add to capless fuel tanks. |
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What You'll Learn
Using a funnel to add fuel additives
Many car owners with capless fuel tanks have expressed frustration over the difficulty of adding fuel additives to their tanks. To address this issue, some car manufacturers, such as Ford, provide a special funnel in the trunk of new models with capless technology. Alternatively, owners can purchase a nozzle of a similar size or a filler plug from dealerships or parts centres.
The Hopkins Towing Solutions FloTool 10719 Capless Gas Tank Funnel is a popular choice for those seeking to add fuel additives to their capless fuel tanks. This funnel is specifically designed to fit capless and restricted fuel fillers, allowing for easy addition of fuel additives or gas from portable containers. Its diameter matches that of a gas pump nozzle, effortlessly opening the tank's filler tube inside flap. The funnel features an easy-grip handle and an on/off spout for accurate pouring and measurement, and its flat spot allows use with CARB-compliant spouts.
Another option for adding fuel additives to a capless fuel tank is to use a long, narrow metal or plastic tube with a diameter similar to a nozzle. This tube can be inserted into the spring-loaded door of the fuel tank, disengaging the locks/tabs and allowing for the addition of fuel additives via a small funnel.
When using a funnel to add fuel additives, it is important to work slowly and carefully to avoid spills. It is also recommended to be on level ground to ensure the additive flows smoothly into the tank. Additionally, some funnels can be used in conjunction with other funnels, depending on the size of the additive container.
Overall, using a funnel designed for capless fuel tanks, such as the Hopkins Towing Solutions FloTool 10719, can make the process of adding fuel additives significantly easier and more convenient for car owners.
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Using a nozzle to open the metal flap
Some capless fuel tanks can be difficult to add fuel additives to. One way to open the metal flap is to use a nozzle at the pump. This method is suggested by car owners on forums. However, it is not always successful, as some have reported that the nozzle only opens the first fuel door, and there is a second door behind it that prevents the additive from being added.
To open the metal flap with a nozzle, you will need to use a long, narrow metal or plastic tube with the same diameter as the nozzle. This will disengage the locks/tabs on the spring-loaded door. You can then use a small funnel to add the additive. These products can be found at Ford dealerships or parts centers for around $30.
Some car manufacturers, like Ford and Chevrolet Corvette, provide a special funnel in the trunk or rear cab of new models with capless technology. This funnel is designed to open both filler neck doors, allowing you to add fuel or pour additives into the tank. The owner's manual will explain how to use this funnel.
If you do not have the funnel provided by the manufacturer, you can try using a standard plastic funnel. This may require several pours, as the funnel may not fit perfectly and will not be able to hold all of the additive at once.
It is important to note that some car manuals advise against using any additives in the fuel tank. Always refer to your car's manual before attempting to add any fuel additives.
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Pouring additives into the filler neck
Many car owners with capless fuel tanks have reported difficulties in adding fuel additives to their tanks. Some have suggested that the technology makes it challenging to maintain their engines properly. One common issue is that the small bottles of additives cannot fit through the filler neck.
To address this problem, car manufacturers like Ford provide a special funnel in the trunk of new models with capless technology. This funnel is designed to open both filler neck doors, allowing you to add fuel or pour additives into the tank. You can refer to your car's owner's manual for instructions on using this funnel. It is usually stored in the rear of the cab or the trunk.
If you do not have the funnel provided by the manufacturer, you may need to purchase a nozzle or filler plug of a similar size. These can be found at authorised dealerships or parts centres. Alternatively, you can use any long, narrow metal or plastic tube with a diameter similar to the nozzle to disengage the locks/tabs on the spring-loaded door of the filler neck. After opening the first door, you may need to locate and open a second door to access the tank.
When using a funnel or tube, ensure that it is securely inserted into the filler neck before pouring the additive. It is recommended to pour slowly and carefully to avoid spillage. Some users have reported that it may take multiple pours to empty the additive container, as the funnel may not accommodate the entire volume at once. Always refer to your car's manual for specific instructions and safety precautions before attempting to add any fuel additives.
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Using a long, narrow tube to disengage locks
Adding fuel additives to capless fuel tanks can be challenging due to the technology used in these systems. Capless fuel tanks feature a spring-loaded door with locks or tabs that can be challenging to disengage without the correct tools.
One effective method to disengage the locks and add fuel additives is by using a long, narrow tube with a diameter similar to a nozzle. This method is supported by several online sources and forums dedicated to automotive topics. By inserting the tube into the filler neck of the fuel tank, you can manually disengage the locks or tabs on the spring-loaded door. This process is similar to the function of a siphon tube, which is designed to be inserted into the filler neck.
The tube should be made of metal or plastic, ensuring that its dimensions match the nozzle size. This compatibility is crucial to successfully disengaging the locks. Once the locks are disengaged using the tube, you can utilize a small funnel to add the fuel additive into the tank.
It is worth noting that some vehicles, such as certain Ford models, provide a special funnel in the trunk or cab to facilitate the addition of fuel additives. Additionally, some vehicles may have an anti-siphon valve installed from the factory, which serves as a security measure. However, if you do not have access to the appropriate funnel or tube, you may need to purchase a suitable nozzle or filler plug from dealerships or parts centers.
While the use of a long, narrow tube is a recommended approach, it is always advisable to refer to your vehicle's manual for specific instructions or recommendations related to your particular model.
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Purchasing a filler plug to add additives
If you own a vehicle with a capless fuel tank, you may have experienced the challenge of adding fuel additives. One solution to this problem is to purchase a filler plug or a funnel. These accessories are designed to fit capless tanks properly, allowing you to easily add fuel additives without any mess or hassle.
When purchasing a filler plug or funnel for your capless fuel tank, there are a few things to keep in mind. First, check with your car manufacturer or dealership to see if they offer any recommended products or accessories specifically designed for your vehicle model. For instance, Ford dealerships and parts centres offer a nozzle or filler plug of a similar size to the fuel tank for around $30. This option can help Ford owners enjoy the benefits of fuel additives while maintaining the security of their capless fuel system.
Alternatively, you can explore other retailers or online stores that sell automotive parts and accessories. Websites like Amazon offer a variety of funnel options, such as the General Motors Fuel Filler Funnel Capless Adapter, which is designed for General Motors vehicles with capless fuel systems. This funnel adapter has received positive reviews from customers who found it effective for adding fuel additives.
When selecting a filler plug or funnel, it is important to consider the size and compatibility with your vehicle's fuel filler neck. Some funnels may be too small for certain vehicles, so it is advisable to check the dimensions or consult reviews from other customers with similar car models. Additionally, consider the material and design of the funnel. Thicker plastic funnels with a smooth neck tend to work better and avoid getting caught on the ribs of the filler neck.
By purchasing a filler plug or funnel specifically designed for capless fuel tanks, you can overcome the challenges of adding fuel additives and maintain the performance and efficiency of your vehicle. Remember to follow the manufacturer's guidelines and consult your car owner's manual to determine the appropriate use of additives for your specific vehicle.
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Frequently asked questions
Some capless fuel tanks come with a funnel that opens both filler neck doors to allow adding fuel to the tank with a gas can or pouring additives into the fuel tank. If your car did not come with a funnel, you can purchase a nozzle that is a similar size or a filler plug at Ford dealerships or parts centers. Alternatively, any long, narrow metal or plastic tube with the same diameter as the nozzle can be used to open the locks/tabs on the spring-loaded door.
STA-BIL® Fuel Stabilizer is a product that can be used to keep fuel fresh in a capless fuel tank.
Products such as nozzles or filler plugs that can be used to add fuel additives to capless fuel tanks can be purchased at Ford dealerships or parts centers for around $30.
