Installing Dorman Nylon Fuel Lines: A Step-By-Step Guide

how to install dorman nylon fuel line

Nylon fuel lines are used in all new cars, and Dorman offers a repair kit for these fuel lines. The Dorman 800-300 Nylon Fuel Line Repair Kit is a 104-piece kit that includes all the tools and parts needed to repair a fuel line. The kit is available on Amazon and Dorman's website, and individual fittings can be purchased on Dorman's website as well. Some people have found a way to install the fuel line without the Dorman Nylon compression tool, which costs $100, but it is not recommended as it may not work with 90-degree fittings.

How to install Dorman Nylon Fuel Line

Characteristics Values
Cost Under $100
Tools Dorman Nylon compression tool (costs $100)
Alternative tools Hot water, pipe cutter, sandpaper
Fittings 5 for $12.99, 2 for $6.99
Repair Kit Dorman 800-300 Nylon Fuel Line Repair Kit
Kit Pieces 104
Kit Use Repairs leaks in old fuel lines

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Soak tubing in hot water to ease installation

Soaking the tubing end in hot water for 20 seconds can ease the installation process of a Dorman nylon fuel line. This method can be used to soften the tubing and make it more pliable, which can be especially useful when dealing with tight spaces or stubborn connections.

When preparing the tubing, start by making a clean cut at the desired length using a single-edge razor blade or a tubing cutter. Be cautious not to crush the tubing while cutting. After cutting, you can soak the tubing end in hot water. It is recommended to use boiling water to achieve the desired softening effect quickly and effectively.

For new lines that can be manoeuvred, you can hold the tubing in a downward direction and submerge it directly in the hot water. Alternatively, if you have limited space or are working with an installed line, you can try one of the following methods:

  • Submerge a 7/16 deep-well socket in boiling water, then slip it over the outside diameter of the nylon line.
  • Submerge a tapered centre punch in boiling water and insert it into the inside diameter of the nylon line.
  • Soak a rag in hot water and wrap it around the tubing.

By utilising these methods, you can effectively soften the nylon fuel line tubing and facilitate a smoother installation process.

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Save money by raiding scrap yards

If you're looking to save some money when installing a Dorman nylon fuel line, raiding scrap yards can be a great option. Here's how:

First, it's important to know that nylon fuel lines are now standard in all new cars. So, if you're looking to install a nylon fuel line, scrap yards will have an abundance of these parts. This is a great opportunity to save money, as you can find the parts you need for a fraction of the cost of buying new.

For example, the Dorman Nylon compression tool typically costs around $100. However, by raiding scrap yards, you may be able to find this tool or even an alternative method to achieve the same result without the expense.

Additionally, you can find fittings at scrap yards for a much lower price. For instance, you can purchase packs of 5 fittings for $12.99 or 2 for $6.99, which is a significant savings compared to buying new.

When visiting scrap yards, it's essential to be cautious and thorough in your inspection. Ensure that the parts you're acquiring are in good condition and suitable for your needs. It's also beneficial to be aware of the potential issues that may arise. For example, some have noted that the Dorman tool can leave marks on the outside of the tubing.

Furthermore, when dealing with fuel lines, be cautious of any remaining fuel in the vehicles. Scrap yards typically puncture fuel tanks and drain the fuel, but it's important to be aware of this when working on a car to avoid any accidents.

By being resourceful and visiting scrap yards, you can save a significant amount of money on the parts and tools needed to install a Dorman nylon fuel line. With some patience and ingenuity, you can achieve a durable and leak-free repair without breaking the bank.

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Buy fittings in packs of 5

Dorman offers fittings in packs of five, which can be purchased at a discounted rate. For example, you can buy five fittings for $12.99, which is cheaper than buying two for $6.99 each.

The Dorman 800-082.5 is a 3/8 to 3/8 straight fitting that comes in a pack of five. You can also purchase the Dorman 800-074, which is a 10-foot-long 5/16-inch nylon fuel line that comes with five fittings.

Dorman's fuel line repair kit is another option that includes all the tools and parts needed for fuel line repairs. The 104-piece kit has been praised by customers for its durability, functionality, and value for money. It is available on Amazon and has received positive reviews for being easy to use and a great tool for car enthusiasts.

You can also purchase the Dorman 800-012 Nylon Fuel Line Union, which is a direct replacement for steel and nylon fuel lines. This product comes in a 2-pack and fits 5/16-inch nylon lines.

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Use a pipe cutter and sandpaper

Using a pipe cutter and sandpaper is an effective way to install a Dorman nylon fuel line. The Dorman 800-300 Nylon Fuel Line Repair Kit is a comprehensive 104-piece kit that can be used to tackle leaks in old fuel lines. When combined with a pipe cutter and sandpaper, this kit yields excellent results.

The pipe cutter is a handy tool for fuel line repairs as it allows for precise cuts to be made on the nylon fuel line. This ensures a clean and straight edge, which is essential for a secure and leak-free connection. The cutter is designed to work with various fuel line sizes and types, including nylon lines. It is made from high-quality materials, such as aluminium, which makes bending steel lines easier.

Sandpaper is used to smooth out any rough edges on the fuel line after cutting. This step is crucial because it helps create a uniform surface for connecting the fuel line sections. By using sandpaper, you can avoid potential leaks caused by uneven or jagged edges. It is important to choose the appropriate grit size for the sandpaper to achieve the desired smoothness without causing any damage to the fuel line.

By utilising the Dorman Nylon Fuel Line Repair Kit, along with a pipe cutter and sandpaper, you can achieve a durable and leak-free fuel line repair. This combination provides the necessary tools and materials for a secure and long-lasting installation, ensuring the safety and optimal performance of your vehicle's fuel system.

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Dorman's repair kit is a great value

Dorman's repair kit is a fantastic option for those looking to save money on fuel line repairs. Instead of replacing the entire fuel line, you can easily replace just the damaged section. This not only simplifies the repair process but also reduces costs. The kit's universal fit and compatibility with alcohol ensure it can be used on a wide range of vehicles.

The kit's ease of use and convenience are also noteworthy. It comes with clear directions, making it accessible even to those who are not professional mechanics. The included compression tool, while not the highest quality, still functions well and allows for easy connection and disconnection of the fuel lines. This tool, along with the kit's other components, empowers vehicle owners to take repair matters into their own hands.

Dorman's longstanding presence in the automotive aftermarket further adds to the kit's value. With over 100 years of experience, Dorman has a strong reputation for delivering innovative and reliable replacement products. Their extensive catalog covers a wide range of vehicles, from light-duty to heavy-duty, ensuring that you can find the parts you need for your specific vehicle. This repair kit is a testament to their commitment to providing solutions that save time, money, and increase convenience for vehicle owners and installers alike.

Frequently asked questions

It is a 104-piece kit that includes all the tools and parts you need to repair fuel lines. It is a cost-effective solution for auto repair enthusiasts, saving you time and money by allowing you to replace only the damaged section of the fuel line.

The kit is easy to use and comes with comprehensive directions. It includes all the necessary connections and tools to make and disconnect fuel lines. It is a durable and valuable solution for repairing or creating your own nylon fuel lines.

The Dorman Nylon Fuel Line Repair Kit is available on Amazon.com and possibly from other automotive parts dealers.

The kit costs vary depending on the retailer, but it is a cost-effective solution compared to dealership repair costs.

Soaking the tubing end in hot water for 20 seconds can ease the installation process. It is also recommended to pressure test the fuel line after assembly.

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