As a general rule from finger tight, continue tightening the nut until you feel it draw down tight, then tighten approximately 1/6′′ turn more.
Do not over-tighten
.
How tight should a brake line bolt be?
Just
snug them up, till you feel resistance, then maybe 1/8 turn
. You just need good pressure between the flared faces. If you go too far you will cause more work, so take them to this point, then bleed the brakes. Check all fittings and if you find a leak give it another 1/8 turn or so.
How do you seal brake fittings?
- Unscrew the brake line from the fitting.
- Clamp the appropriate-sized collet around the line.
- Connect it to the Surseat lapping tool.
- Spray some lubricant to the lapping head before using it.
- Rotate the lapping head back and forth about 6-10 times.
- Clean and inspect the flare.
Do you put Teflon tape on brake line fittings?
Do brake lines need Teflon tape? The short answer is
no–they do not
. The more important point is that you should never attempt to use Teflon tape when attaching brake lines. Not only do brake lines not need Teflon tape, it would be dangerous to use Teflon tape on your brake lines in the first place.
How do you tighten brake fittings?
Why is my flare fitting leaking?
Bad flare, burrs on the pipe, wrong size flare, can all cause a flare fitting to leak
. The most common reason they leak is because of us overtightening them. I once had a tech tighten one to the point that it blow off during pressure testing.
How much does it cost to tighten a banjo bolt?
With two new crush washers installed, torque bolt to
96 – 120 in-lbs. (do not exceed 144 in-lbs)
.
Do you put anything on brake line fittings?
It’s best to stay away from Teflon tape on any brake/fuel system. Just
use any good pipe thread sealant (paste) with Teflon or PTFE, and only on pipe fittings
.
Can you tape a brake line?
You’re going to need an adhesive, like tape or rubber cement, to patch the leak in the brake line
. Most auto parts stores carry a special hydraulic system or brake system patching glue that can help.
How do I know if my brake line is leaking?
Are brake line fittings NPT?
We use these in the Street Rod and Racing industries for fluid fittings such as oil lines, brake lines, and coolant lines.
NPT threads are tapered to create an interference fit
and often use thread tape or thread sealant to form a liquid tight seal without the use of crush washers, O-rings or gaskets.
Do brake lines need thread sealant?
A brake system needs no lubricants or sealers if assembled correctly
. If you find a need for any of those products, you have a bad flare, bad fittings, or the fitting is still too loose. If you do want to lube the fittings, use only clean brake fluid.
Can you use Loctite on brake lines?
You never use any type of sealant on brake lines
, also the only lubricant you should use during assembly of the brake threads is brake fluid itself. If the flare/cone seal of the brake fittings doesn’t provide a seal then the parts must be changed, there are no safe ways to fix them.
How do you stop a brake line leak?
How do you bleed brake lines?
Can you over tighten flare fittings?
Fourth,
don’t over-tighten the flare fitting, as this can cause leaks
. Daikin offers preset flare torque wrenches that will allow you to properly tighten the flare fitting without over-tightening them. Always use a backup wrench when tightening any flare fitting.
How do you seal flare fittings?
How do you stop a flare fitting from leaking?
How much torque should a banjo bolt have?
banjo bolt and crush washers to the caliper – Torque to
35 ft-lbs
.
What is a brake line wrench?
Brake line wrenches (
flare nut wrenches or simply line wrenches
) serve a specific purpose. Domestic cars often use 7/16-inch and imports 10 mm. via amazon.com. Brake line wrenches (often called flare nut wrenches or simply line wrenches) serve a specific purpose in a mechanic’s toolbox.
