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04-25-2020, 11:17 AM | #1 |
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Join Date: Jan 2014
Location: Leo, Indiana
Posts: 235
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loosen brake line nuts
having heck of a time trying to break loose the brake line nuts on 50 year old system. I've rounded off 2 nuts. I heard of freezing them, torching them which is best for doing minimal damage?
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04-25-2020, 12:09 PM | #2 |
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Join Date: Dec 2010
Location: p.e.i.
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Re: loosen brake line nuts
ive had to use vice grips before.these lines are dirt cheap.
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04-25-2020, 01:31 PM | #3 |
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Join Date: Aug 2012
Location: Abq, NM
Posts: 3,607
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Re: loosen brake line nuts
Are you using 'flare nut' wrenches?
They're shaped more like a box-end wrench but with a slot in the end to slip over the brake line. They get a better grip on all 6 corners of the nut. Last edited by dmsfrr; 04-26-2020 at 03:33 PM. Reason: add photo |
04-26-2020, 01:36 PM | #4 | |
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Join Date: Apr 2014
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Re: loosen brake line nuts
Quote:
Yes, that's the number one question. I'd gone years without knowing about them, so it's worth checking if the OP is aware of them. Also, if the current brake line is a fabricated replacement (as old brake lines sometimes are) is it possible the fittings are metric? |
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04-26-2020, 02:55 PM | #5 |
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Join Date: Sep 2015
Posts: 399
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Re: loosen brake line nuts
I replaced the old lines on my 55 last year and the driver side nut was rounded off pretty bad. I had to use vise grips to loosen the nut. After I replaced the lines,I did buy a flare nut wrench and tighten the new nuts with the flare nut wrench. Works great.
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04-26-2020, 03:29 PM | #6 |
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Location: Leo, Indiana
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Re: loosen brake line nuts
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Last edited by callbald; 04-26-2020 at 03:32 PM. Reason: adding info |
04-26-2020, 07:49 PM | #7 |
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Re: loosen brake line nuts
Stuff named Gibbs also works very well
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48 Ford Conv 56 Tbird 54 Ford Victoria |
04-26-2020, 07:52 PM | #8 | |
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Re: loosen brake line nuts
I have run across some brake fittings where the nut size seemed to be metric as no US size fit it. Had to go out and buy metric flare wrenches
Quote:
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48 Ford Conv 56 Tbird 54 Ford Victoria |
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04-26-2020, 08:15 PM | #9 |
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Location: NE Iowa
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Re: loosen brake line nuts
Never heard of the freezing, but I did put some good heat on a front brake line once. heat travel up to the rubber line crimp and hose blew off. Had my head up in the fender and sounded like a fire cracker went off, couldn't hear for 2 days. Never did that again.
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04-26-2020, 10:03 PM | #10 |
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Location: Palmer, Alaska
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Re: loosen brake line nuts
Try a 50-50 mix of acetone and atf
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04-26-2020, 11:38 PM | #11 |
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Join Date: Aug 2012
Location: Abq, NM
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Re: loosen brake line nuts
The relatively new flex hose between the MC and Booster in my '55 has metric fittings. The usual/standard size wrenches don't fit the nuts but metric ones do. Luckily it's not rusty or stuck.
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04-29-2020, 06:02 PM | #12 |
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Re: loosen brake line nuts
I'd go with even a propane torch, I use Mapp gas with mine, it burns hotter. I would suggest draining and blowing out the lines before getting the blue wrench out.
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05-03-2020, 07:15 PM | #13 |
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Location: Leo, Indiana
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Re: loosen brake line nuts
bought Benzine micro torch and that did the trick. thanks all
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05-04-2020, 06:42 AM | #14 |
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Re: loosen brake line nuts
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