Asked by: Odonila Meewes
automotive auto safety

Are brass fittings OK for brake lines?

Last Updated: 3rd April, 2020

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Only material that should be used in brake lines is steel. I've seen brass ones recently) and your intermediate fittings, reducers, adapters etc. are usually brass.

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In respect to this, can you use brass compression fittings on brake lines?

Because of the unreliability of compression fittings on brake lines, the use of compression fittings is not widely recommended. If you are repairing the brake lines in a vehicle that is not a passenger car used for everyday road travel and transportation, compression fittings are an acceptable brake line repair.

Secondly, are brake line compression fittings safe? Do not use a compression fitting on your brake system. When you are on the road not only your safety but the safety of others is at risk if you have a compromised brake system. Brake line compression fittings are a controversial repair component and can lead to failure in the brake system.

In respect to this, can brake lines be spliced?

Contrary to popular belief it is NOT illegal to make a new section of brake line and splice it into a non-rusted section of your old brake, as long as you use automotive grade SAE double/inverted flare, SAE “bubble” flare and DIN Single Mushroom flare unions and fittings.

Can copper be used for brake lines?

As for the regular copper tubing used for brake lines, sure, it's better than a rust-perforated steel line. But if you're going to trust your brakes to stop you from high speeds or in the mountains (unlikely in Newfoundland) then it had better be more than straight copper.

Related Question Answers

Tai Spiegl

Professional

Do brake lines need to be double flared?

Single flares are not acceptable for brake lines and tend to crack and leak quite easily. 2. A double flare is one of the most common flares found on vehicles. With these flares you're forming the end of the line twice, actually folding the lip of the single flare over.

Jasone Rumenap

Explainer

Can you use compression fittings on fuel lines?

Double flare tubing compression fittings are safe to use on fuel and hydraulic lines. Always check with a fluid power engineer for fitting recommendations on high pressure (>2000PSI) hydraulic systems. Fittings for pressures up to 3000PSI are fairly standard.

Ylenia Echterhoff

Explainer

Can you use JB Weld on brake line?

Sorry, but the ONLY safe thing to do is replace the brake line. JB weld is great stuff, but not on the most important part of controlling your car. Don't even use a compression fitting on your brake system. You will press on the brakes as hard as you can in a panic stop situation.

Yeney Hamhaber

Explainer

Are compression fittings legal on brake lines in PA?

PA Inspector here. 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.

Asley Buchfellner

Pundit

How much pressure is in a brake line?

Metal brake lines must withstand 5000 psi tests, and most burst around 15,000 psi. Typical full-lock operating pressures on conventional OEM-style automotive hydraulic-brake systems are 900–1,000 psi (69 bar) with manual brakes and 1,400-plus psi (96 bar)with power-assisted brakes.

Edmon Mc Carthy

Pundit

Can you reuse brake line fittings?

Use new fittings: You can remove the fittings from the old line and reuse them on the new line, but it is a better practice to use new fittings. The old fittings can be cracked, corroded and the threads could be damaged.

Annis Ragno

Pundit

When should brake lines be replaced?

Usually the rule of thumb is that all disc brakes and disc brake linings have to be replaced every 10,000 miles. This is because the brake pads rub against the brake discs to create the friction that will stop the car.

Boumediene Goodchild

Pundit

Can you heat up brake lines?

The key is fast, high heat to get the fitting hot without melting through anything or boiling the fluid. After the last soak, use PB blaster or your penetrant of choice. The fitting will turn and come out without getting stuck on the line.

Alyse Delaney

Teacher

Are rusted brake lines dangerous?

A little surface rust won't hurt anything, but heavy flaking or bubbling rust is a sign that the brake lines are failing and need to be replaced. Eventually the rust will eat all the way through the tubing, causing the tubing to leak or blow out.

Apollonia Schwinefot

Teacher

How much does it cost to replace brake lines?

The average cost for a brake line replacement is between $211 and $324. Labor costs are estimated between $40 and $51 while parts are priced between $171 and $273. Estimate does not include taxes and fees.

Itxaropena Wallrafe

Reviewer

Can you use rubber hose for brake line?

You can not use regular rubber line with a brake system. First, even with a barbed or rolled end, the clamps will not stand up to the 100+ psi. Second, brake fluid is not kind to rubber hoses.

Safira Mackenbruck

Reviewer

How reliable are compression fittings?

Although compression fittings are generally considered more reliable than threaded fittings, there are some potential problems. In general, compression fittings are not as resistant to vibration as soldered or welded fittings. Repeated bending may cause the ferrule to lose its grip on the tube.

Stine Gmahl

Supporter

Earnest Eickler

Supporter

Can I use Teflon tape on brake fittings?

Don't use the teflon. A little oil to lube the threads won't hurt but definately NO tape on any flare threads. Thanks to all.I'm going to attach my brake lines. No, they are all 45 degree double flares.

Atanasov Figge

Supporter

Haojie Venu

Beginner

What is the best material for brake lines?

Inside those steel brake lines there is no epoxy or zinc alloy coating to protect your lines. As they rust the material is carried around and collects in the important parts of your brake system. In contrast conifer copper nickel line is MADE OF 88.7% COPPER.

Jamison Guibert

Beginner

What type of tubing is used on brake lines?

Brake Line Types. There are four types of hard line used for braking systems: steel, soft steel, stainless steel, and nickel-copper alloy. Each has it's benefits and drawbacks. Steel – The most common type of hard line is galvanized mild steel.

Concepcion Nolot

Beginner

Are copper brake lines better?

Despite being an arguably softer material than steel, it's DOT approved for hydraulic use. In fact, its PSI ratings are only a little lower than that of steel, still more than strong enough for brake applications, which typically see a maximum of anywhere from 800 to 1,500 PSI.

Jamina Urruela

Beginner

Does AutoZone sell brake lines?

Whether you need a new Ford Mustang brake line, or brake line fittings for Ram, AutoZone meets all of your braking needs. Even better, enjoy all of this with Free Shipping on orders of $75 or more, or utilize Same Day Store Pickup to get your part today.