Making your own Braided brake lines, any tips?
#1
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Thread Starter
Making your own Braided brake lines, any tips?
I have all the bits to make up some brake lines for me Festa, (Focus ST170 rear calipers fitted)
Whats the best method to cut the pipe? Ive understand its with a thin cutting disc after taping the ends up.
Is it really as simple as it seems to put the ends on ie, slide the outer part onto the line, open up the braiding, slide on the olive, push the union up the pipe and do up the whole lot?
Is that it?
Whats the best method to cut the pipe? Ive understand its with a thin cutting disc after taping the ends up.
Is it really as simple as it seems to put the ends on ie, slide the outer part onto the line, open up the braiding, slide on the olive, push the union up the pipe and do up the whole lot?
Is that it?
#3
..BS Motorsport..
Sounds right to me, although I just used a hacksaw with a new blade in to cut it. Know some people like to use a dremmel type cutting disc to do it which does leave a nice finish. Just make sure the fitting is nice and tight when done and prepare yourself for the enjoyable feeling of braid peircing your finger tips whilst assembling your first few fittings
#4
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Thread Starter
Originally Posted by dave cos4x4
would sooneer buy a set for £40-£50.
at least they are done right..don't fook with your brakes.
at least they are done right..don't fook with your brakes.
Theres no reason why they wont be done right as long as someone who knows their stuff will help me out!
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Is it really as simple as it seems to put the ends on ie, slide the outer part onto the line, open up the braiding, slide on the olive, push the union up the pipe and do up the whole lot?
Is that it?
Is that it?
I use a sharp chisel and a big hammer, one blow - nice clean cut.
Oh, not into wood, metal is better as a base.
#6
When you pull the braiding out from the PTFE inner pipe, be sure that none of the braid sticks out above the olive, as it will interfere with the thread on the nut as you tighten it....
So (and handily stolen from my restoration thread)
Cut the pipe - if using a hacksaw, I taped the hose, so you can mark it, and so it doesn't fray so easily:
Then separate the fitting, slide the socket over with the thread facing the correct way (obviously) - don't forget to do this, as you wont get it on once the braid has been splayed out.
Other two parts of the fitting are:
Then splay out the braid away from the PTFE inner tube. There is a proper tool for this, but it's not cheap, and if you take care, not strictly necessary. Just prise it away with a thin screwdriver, and then trim back the braid so it doesn't stick out too much.
Then push the olive onto the PTFE inner pipe. Best thing to do is then to push this up against the top of the vice, or other solid surface to push it all the way home.
Then clamp the remaining fitting in the vice by the hex nut, and very lightly lubricate the thread with grease. As you push the semi-assembled hose onto the clamped fitting, you'll feel and hear a "pop" as it seals. It should be very simple just to turn the hose onto the threads for the first few turns.
Use a spanner to tighten it up, until the actual socket is one full turn from the fitting. Do NOT loosen the socket or fitting in order to get the orientation right for the fitting - work that out before, and always make sure you don't loosen a fitting off.
Then we end up with a before and after:
Hope that helps.
Rich.
So (and handily stolen from my restoration thread)
Cut the pipe - if using a hacksaw, I taped the hose, so you can mark it, and so it doesn't fray so easily:
Then separate the fitting, slide the socket over with the thread facing the correct way (obviously) - don't forget to do this, as you wont get it on once the braid has been splayed out.
Other two parts of the fitting are:
Then splay out the braid away from the PTFE inner tube. There is a proper tool for this, but it's not cheap, and if you take care, not strictly necessary. Just prise it away with a thin screwdriver, and then trim back the braid so it doesn't stick out too much.
Then push the olive onto the PTFE inner pipe. Best thing to do is then to push this up against the top of the vice, or other solid surface to push it all the way home.
Then clamp the remaining fitting in the vice by the hex nut, and very lightly lubricate the thread with grease. As you push the semi-assembled hose onto the clamped fitting, you'll feel and hear a "pop" as it seals. It should be very simple just to turn the hose onto the threads for the first few turns.
Use a spanner to tighten it up, until the actual socket is one full turn from the fitting. Do NOT loosen the socket or fitting in order to get the orientation right for the fitting - work that out before, and always make sure you don't loosen a fitting off.
Then we end up with a before and after:
Hope that helps.
Rich.
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You've gotta make sure the hose doesn't back out of the fitting as you wind it in to the other one as well.
and then you've got to pressure test it, as its your brakes
if you need some made up my supplier will make them aslong as you give me the exact spec of the fittings and length of hose.
also make sure you have enough length on the hose for ALL suspension travel and while turning.
Cheers
Daniel
and then you've got to pressure test it, as its your brakes
if you need some made up my supplier will make them aslong as you give me the exact spec of the fittings and length of hose.
also make sure you have enough length on the hose for ALL suspension travel and while turning.
Cheers
Daniel
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