What causes a leak in a brake line fitting?

This type of leak is commonly known as a weep. It is the result of a tiny imperfection in the flare that occurs while flaring the tube. No matter what flaring tool I used, I never got a clean, concentric finish that enabled the flare to seat with the fitting.

What to do if your brake line leaks on YouTube?

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Can a driver’s seat leak down while driving?

If you have a driver’s seat that leaks itself down as you drive, you will know how annoying this is. It’s kind of like Chinese water torture, not serious enough to remember after you park the truck at the end of the day, until you go again the next.

Can a brake fluid leak cause a car not to drive?

A vehicle will not be driveable without properly functioning brakes. If your braking system were to ever malfunction, it may very well be attributed to a brake fluid leak. There are four places in the braking system where a leak could take place.

What kind of surseat is used for brake lines?

Surseat “Minis” are designed specifically for brake lines. The smaller size and rectangular shape of the P-45 and P-37 make it easier to work in tight spaces inside the car. Each model has a single 45° or 37° lapping head and collets to secure 3/16″ or 1/4″ brake lines.

What kind of flare to use on brake line fittings?

No matter what flaring tool I used, I never got a clean, concentric finish that enabled the flare to seat with the fitting. Furthermore, it didn’t matter if I was using steel lines with a 45° double flare or stainless steel lines with a 37° single flare. On the left you can see tiny imperfections on the flare.

What causes a leak in a brake line fitting?