Do you have to flare compression fittings for brake lines?

Do you have to flare compression fittings for brake lines?

Compression line fittings are not only not safe for any hydraulic line/system they aren’t allowed under PA’s inspection guidelines. You must use a flare type union and nut. Compression fittings are illegal.

Why are my brakes not working after bleeding and new master cylinder?

There’s no air in the lines. Master cylinder appears ok. There’s no leaks in the calipers. Everything was installed the same way as beforehand except maybe gen axel nuts might have been tightened too tight. Not sure if these are symptoms of that though.

What to do if your brake fitting won’t thread?

Before you make a new line and double flare it, try the flare nut in the master cylinder without the line to be sure it’s the right thread. If it threads in good, then make up your line. Yosemite

Why are brake lines threading into cylinder port?

This does two things. It makes it easier to thread the brake lines into the master cylinder, and if the vacuum brake booster needs replacing, the master cylinder can be removed without disconnecting the brake lines to the master cylinder. Tester Yosemite

What should the head of a brake line flare be?

All Automotive fittings are “45 degree” fittings. The head of the flare is made at a 45 degree angle. AN or army/navy fittings are always a 37 degree fitting. They CAN NOT be interchanged. 1. Single Flares are only acceptable on low-pressure lines, but not acceptable for high-pressure brake systems.

There’s no air in the lines. Master cylinder appears ok. There’s no leaks in the calipers. Everything was installed the same way as beforehand except maybe gen axel nuts might have been tightened too tight. Not sure if these are symptoms of that though.

Before you make a new line and double flare it, try the flare nut in the master cylinder without the line to be sure it’s the right thread. If it threads in good, then make up your line. Yosemite

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.

Why is the line on my master cylinder not working?

BYW I loosened the cylinder, still can’t get the line on. Might make a new one. The old one – steel – goes on, but magically became bent while it was off. Before you make a new line and double flare it, try the flare nut in the master cylinder without the line to be sure it’s the right thread. If it threads in good, then make up your line.