How To Flare Brake Line: Tips And Tricks

If you are a DIY car mechanic, you must have come across the need to flare brake line. Flaring brake lines is a crucial step for maintaining the safety of your car. Here in this article, we will guide you on how to flare brake line. We will also discuss different types of flares and their usage.

What is Brake Line Flaring?

Flaring of brake lines refers to the process of forming a flare at the end of a brake line. The flare helps to create a secure connection between the brake line and the brake components. This connection is essential for the proper functioning of the brakes.

Types of Brake Line Flares

There are mainly two types of brake line flares – single flare and double flare. Single flare is also known as a bubble flare, and double flare is also known as a SAE flare. Single flare is used in low-pressure applications, whereas double flare is used in high-pressure applications like brakes.

How to Make Single Flare Brake Line?

To make a single flare brake line, you need a flaring tool and a brake line. First, cut the brake line to the desired length. Then, place the brake line in the flaring tool, making sure that the end of the brake line is flush with the top of the tool. Tighten the flaring tool and rotate it clockwise. This process will create a flare at the end of the brake line.

How to Make Double Flare Brake Line?

To make a double flare brake line, you need a double flare tool and a brake line. First, cut the brake line to the desired length. Then, place the brake line in the double flare tool, making sure that the end of the brake line is flush with the top of the tool. Tighten the double flare tool and rotate it clockwise. This process will create a double flare at the end of the brake line.

Tools Required for Flaring Brake Lines

To flare brake lines, you need a flaring tool or a double flare tool. You can either buy or rent these tools from your local auto parts store. You also need a brake line cutter, a deburring tool, and a tube bender. These tools are essential for creating a secure and leak-free brake line connection.

Steps to Flare Brake Line

Flaring brake lines is not a complicated process, but it requires some practice to master. Follow these steps to flare brake lines: 1. Cut the brake line to the desired length using a brake line cutter. 2. Use a deburring tool to remove any burrs from the cut end of the brake line. 3. Place the brake line in the flaring tool, making sure that the end of the brake line is flush with the top of the tool. 4. Tighten the flaring tool and rotate it clockwise. 5. Remove the brake line from the flaring tool and inspect the flare for any cracks or imperfections. 6. Repeat the process for the other end of the brake line. 7. Use a tube bender to bend the brake line to the desired shape. 8. Install the brake line and tighten the fittings.

FAQs related to How to Flare Brake Line

Q1. Can I use a single flare instead of a double flare?

A1. Single flare is not recommended for brake lines as it is not as secure as a double flare. Double flare provides a better seal and is suitable for high-pressure applications like brakes.

Q2. Do I need a special tool to flare brake lines?

A2. Yes, you need a flaring tool or a double flare tool to flare brake lines. You can either buy or rent these tools from your local auto parts store.

Q3. Can I reuse a flare nut?

A3. It is not recommended to reuse a flare nut as it may not provide a secure connection. Always use a new flare nut for each brake line connection.

Conclusion

Flaring brake lines is an essential skill for any DIY car mechanic. It ensures the safety of your car and provides a secure and leak-free brake line connection. Follow the steps mentioned in this article and use the right tools to create a perfect flare. Remember to always use a double flare for brake lines and never reuse a flare nut.