Anyone experienced with a double flaring tool?? Me and a buddy tried using one to custom make a brake system last night for a Jeep and couldnt keep the line from slipping through the tool. We had two tools on the line, pressed down in a bench vice and still couldnt keep it from slipping through.

 

My flaring tool had a couple of hinged bolts that swung into slots in the upper half and clamped down with a couple die cast wing nuts. Which promptly broke under the strain. I tossed the wing nuts and replaced them with a couple of grade 8 hex nuts.

Make sure you are using the correct size tubing and your tool is designed for it. If slipping is still a problem, then you can shave the flats on the tool. This will allow it to clamp tighter, just make sure to keep the flats flat. Otherwise you will break the tool when you clamp the halves together. A belt sander works great for this. Just use a fine grit to keep everything smooth. Patience is required here. Go slow and keep test fitting, you don't want to take off too much and crush the tubing.

Good luck!

 

We had the correct tube size and all. We even heated up the brake line with a torch to get it to flare and couldn't do it. We gave up and used some compression fittings instead.

 

I bought a flaring tool from sears many years ago that did the same. Got rid of it and bought an sk brand tool. No problems.

 

This was an Autozone special so I'm sure thats why. Glad we didn't opt for the Harbor Freight one, lord knows how cheap that one would have been.

 

Best to get a new tool. you should not use compression fittings on a brake system.

 

I know. This isn't for a street machine, just a trail jeep that is trailered around. He upgraded the axles to 1 ton stuff and had to use a Ford E-350 MC for enough line pressure.