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Author Topic: Blew out a brake line! Help!  (Read 16501 times)

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f85gtron

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Blew out a brake line! Help!
« on: September 07, 2015, 10:34:34 am »
During my ac install, i must have disturbed a brake line. Are you guys buying whole brake lines or just repairing them?  Where to get the whole line?
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85 GT manual NOW powered by 7730
3.4 bored to 3.5, cammed out and DIS'd
F23 connecting power to ground
My wife won't ride in it. It's "the other woman" ;)

Fierofool

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Re: Blew out a brake line! Help!
« Reply #1 on: September 07, 2015, 11:45:05 am »
You said you removed or loosened the booster.  Is that where the problem is?  I'm guessing you bent a metal line from the  MC?  It would be easiest to just cut the line at the break, get a union with compression fittings and make the repair up front.  Pulling new metal lines all the way through is a major task.  And expense, if The Fiero Store sells them.

If you have a set of dial calipers, you might want to mic the diameter of the lines.  I found that the clutch line was metric after repairing one with a US standard fitting and it leaked. 
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Raydar

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Re: Blew out a brake line! Help!
« Reply #2 on: September 07, 2015, 11:52:44 am »
There are those who say that you should never use a compression fitting on a brake line, due to the bad stuff that can happen if it fails.
Depending upon which line it is, I might be inclined to find one from a parts car. If nothing else, I'm guessing the Fiero Factory has tons of them, if they'll sell them. (They may not, for liability reasons.)
The Fiero Store will have new ones, but don't they have to be bent to shape?
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f85gtron

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Re: Blew out a brake line! Help!
« Reply #3 on: September 07, 2015, 12:01:01 pm »
I have some experience here relining a camper once and a vw beetle and have an old tubing bender I couldn't quite throw away, so I might just repair sections, using double flared unions. That will work better than compression unions. Next, figure out line sizes. 
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85 GT manual NOW powered by 7730
3.4 bored to 3.5, cammed out and DIS'd
F23 connecting power to ground
My wife won't ride in it. It's "the other woman" ;)

Fierofool

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Re: Blew out a brake line! Help!
« Reply #4 on: September 07, 2015, 12:11:12 pm »
Steve's probably right about compression fittings.  The flared connections would be much better.  I've used compression fittings in the long lost past without problems, but I can see how they could be a safety hazard.
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There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

Raydar

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Re: Blew out a brake line! Help!
« Reply #5 on: September 07, 2015, 04:44:09 pm »
Quote from: Fierofool on September 07, 2015, 12:11:12 pm
Steve's probably right about compression fittings.
...

Maybe. Doesn't mean I wouldn't try it, in a pinch, if I trusted my abilities, sufficiently. But I don't.
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Fierofool

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Re: Blew out a brake line! Help!
« Reply #6 on: September 07, 2015, 06:32:52 pm »
Compression fittings in a pinch.  LOL
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There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

f85gtron

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Re: Blew out a brake line! Help!
« Reply #7 on: September 12, 2015, 08:17:40 am »
I'm slowly getting it figured out, thanks to this thread on another site http://www.fiero.nl/forum/Forum2/HTML/107264.html
There's a little bit of back and forth, but the basics are these:
From the distribution block to the brakes are EUROPEAN BUBBLE FLARE. This is important because the fittings will be correct.
The fronts and back (from the back distribution block) are 3/16 (4.7mm) European bubble flare
The big line from the front distribution block to the back distribution block is 1/4 (6mm) European bubble flare.
If you buy the sections from AutoZone, make sure to read the tag carefully like this:
PAE-xxx. (E=European, last two "xx"=length)
These are made from the new stuff that doesn't rust and is easy to form.
The master uses American fittings and are different.
I'll update with lengths as soon as I find out.
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85 GT manual NOW powered by 7730
3.4 bored to 3.5, cammed out and DIS'd
F23 connecting power to ground
My wife won't ride in it. It's "the other woman" ;)

Fierofool

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Re: Blew out a brake line! Help!
« Reply #8 on: September 12, 2015, 10:54:46 am »
Are you going to have it ready by next weekend? 
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There are three kinds of men:

1.    The ones that learn by reading.
2.    The few who learn by observation.
3.    The rest of them have to pee on the electric fence and find out for themselves.    Will Rogers

f85gtron

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Re: Blew out a brake line! Help!
« Reply #9 on: September 12, 2015, 12:15:28 pm »
I should have it ready by lunch tomorrow!  ;)
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85 GT manual NOW powered by 7730
3.4 bored to 3.5, cammed out and DIS'd
F23 connecting power to ground
My wife won't ride in it. It's "the other woman" ;)

f85gtron

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Re: Blew out a brake line! Help!
« Reply #10 on: September 13, 2015, 12:16:57 pm »
You'll be happy to know, true to my word, i finished, just in time for lunch !
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85 GT manual NOW powered by 7730
3.4 bored to 3.5, cammed out and DIS'd
F23 connecting power to ground
My wife won't ride in it. It's "the other woman" ;)

pgackerman

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Re: Blew out a brake line! Help!
« Reply #11 on: September 13, 2015, 02:50:14 pm »
Cool.
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GTRS Fiero

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Re: Blew out a brake line! Help!
« Reply #12 on: September 23, 2017, 10:02:57 am »
Is this still holding?
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f85gtron

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Re: Blew out a brake line! Help!
« Reply #13 on: September 25, 2017, 02:01:18 pm »
Yes, but looks better than factory lines, so now I'll have to do them all, i guess.
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85 GT manual NOW powered by 7730
3.4 bored to 3.5, cammed out and DIS'd
F23 connecting power to ground
My wife won't ride in it. It's "the other woman" ;)

GTRS Fiero

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Re: Blew out a brake line! Help!
« Reply #14 on: September 25, 2017, 05:58:45 pm »
Pic?  I'm curious how they compare to mine, since I replaced mine.
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