How to bend brake lines and create inverted flares

How to bend brake lines and create inverted flares

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Auto Explore
2 Video Views·Jan 5, 2023

Flaring brake lines provide a leak-proof connection without the use of additional materials or sealants. If the brake lines are not correctly flared, fluid might leak and cause your brakes to fail. This video will show you how to bend brake lines and create inverted flares.
Chapters:
00:25 - Benders

02:55 - Inverted Flare

03:23 - Inverted Flaring Kit

Brake Line Flare
For obvious reasons, having good connections throughout your brake system is essential. Brake lines move fluid under high pressure, often as much as 1200-1400 psi, and leaky connections reduce brake line pressure and allow air into the system, resulting in a spongy or low brake pedal. To begin, we'll teach you how to plumb your braking system, become acquainted with the many types of automotive flares, and examine some of the instruments required for the process.


How to Flare Brake Lines

1. Using a measuring tape, determine the length of brake line required.
2. Put on gloves and eye protection.
3. Using tube cutters or a hacksaw, cut the brake tubing to the required length.
Cutters will squarely cut circular tubing without generating burrs. If you use a hacksaw, you will need to remove burrs.
4. Form the flare of the tube with a flaring tool or a double flare tool.
The directions for both single flare tools are provided below.
5. Place the tool's cone over the end of the tube.
Lower the cone until it is centered over the end of the tube.
6. Turn the advance screw to move the cone until the flared section of the tube is firmly against the bar's countersunk recess.
7. Examine the new flare for cracks, splits, and other flaws. If the line is damaged in any way, replace it.


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