Why is my brake line fitting leaking?
Brake lines will leak at the flare when there is a poor connection with the seat of the 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.
How to make a bubble brake line flare?
Please note that a invert brake line fitting is shown in video, and to use only a bubble flare tube nut for bubble flares. Brake line used in video was cupro nickel 3/16″ along with double flaring kit 5403. www.fmsiinc.com Loading…
Why are my brake lines leaking at the flare?
Why Brake Lines Leak at the Flare. Brake lines will leak at the flare when there is a poor connection with the seat of the 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.
Do you use single flared or double flared brake lines?
Single flared fittings should never be used on steel brake lines. Double flared lines (SAE): These are the type of brake line fittings that are most commonly found in American and Asian models of vehicles. Double flared lines help control friction wear and cracking at the sight of the flare that can ultimately lead to a leak in the line.
When do you use a brake flaring tool?
A brake flaring tool is a tool that is used to create a double flare on the end of brake line fittings in order to create a more secure link between pieces of the brake line.
How do you make a bubble flare?
Place the bubble flaring insert into the brake line, screw the guide tube over the insert until it is fully seated. After that, by hand, screw the flaring tool into the guide tube. Here you’ll want a 7/16” wrench to tighten the flaring tool.
How long to replace brake lines?
Most car mechanics and makers say you should replace your car’s drum brake lining when it has worn down to about 1/8 inches or less. You can tell when this happens by measuring the lining with a tape measure. You should plan on having to replace them about every 12,000 miles, or a year of use, whichever comes first.
What is an ISO bubble flare?
ISO Bubble Blare. ISO bubble flares are essentially the same components as plain bubble flares; the difference between the two types lies in the fact that ISO bubble flares have pipes and threads measured in metric sizes rather than in inches.
What is a bubble flare?
This style is known as a bubble flare due to its rounded shape. It is sometimes called a DIN, an ISO, or a GM flare. I believe it was used on Spiders only from 1979 to the end of production in 1985. Earlier 124 series cars use a more common double flare fitting.