Have to replace a brake line - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-13-2009, 11:26 PM   #21
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The internet is telling me they like to explode because pressure builds up.
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Old 04-13-2009, 11:40 PM   #22
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Heating a fluid in a confined area just isn't a good idea.
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Old 04-14-2009, 08:51 PM   #23
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Well, it'* cut on one side.....although I understand that it still might/will explode.

This right here, is it a flare nut? Just don't want to spend $20 on a tool that'* not needed, but also don't want to strip it....



Yeah, these questions are getting stupid....
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Old 04-14-2009, 10:06 PM   #24
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Did you try Vice Grips? You can get a couple pair of them pretty cheap and it might solve this dilemma. DO NOT USE A TORCH ON ANY FLUID FILLED LINE OR CONTAINER! The fluid will heat and expand, the expansion can result in an explosive failure.
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Old 04-14-2009, 10:18 PM   #25
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I used a vice in another spot and it stripped bad, also I tore the bracket out of where it was screwed in in the process. If I had some leverage it would probably come undone, but it'* just hanging loose. Can I just use the vice on the end of the rubber part and just rip it out, and replace it, or would I be messing something up.....

What are we considering 'fluid filled' here? There'* some fluid in there but the line is cut.

but yeah, I have one vice grip, not 2. But I do have a vice. I would go balls out with it if flame was an option but I don't want to strip it until it'* fubar.

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Old 04-14-2009, 10:36 PM   #26
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Quote:
Originally Posted by hammer49 View Post
I used a vice in another spot and it stripped bad, also I tore the bracket out of where it was screwed in in the process. If I had some leverage it would probably come undone, but it'* just hanging loose. Can I just use the vice on the end of the rubber part and just rip it out, and replace it, or would I be messing something up.....

What are we considering 'fluid filled' here? There'* some fluid in there but the line is cut.

but yeah, I have one vice grip, not 2. But I do have a vice. I would go balls out with it if flame was an option but I don't want to strip it until it'* fubar.
Sounds like its already fubar and you have to replace much of it anyway.

Fluid filled would mean, filled with fluid and a closed system. If the line is open at one end, then you wont build up any pressure when you heat it.
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Old 04-14-2009, 11:50 PM   #27
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Quote:
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Sounds like its already fubar and you have to replace much of it anyway.

Fluid filled would mean, filled with fluid and a closed system. If the line is open at one end, then you wont build up any pressure when you heat it.
What I mean is, fubar to the point that it would be impossible to turn because the vice chewed up too much of it. Should I just not worry about that?

Also, the pic I posted is right on top of the wheel cylinder....where I could use a vice or proper wrench, but definitely not a flame because of the wheel cylinder and such.
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Old 04-15-2009, 12:34 AM   #28
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Should I just not worry about that?
If you are replacing the brake line, what does it matter. You are probably going to need to replace most of the metal fittings anyway if you are having this much trouble getting them apart.
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Old 04-15-2009, 01:12 PM   #29
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It'* off. Looks like I need a new hose as well.

-what would cutting the line myself entail? I was just going to bring my old line into the store and have them cut one, but it fell apart. Do I just stick the cut end raw into the existing compression fitting?
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Old 04-15-2009, 02:00 PM   #30
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Steel lines don't swell under pressure where rubber lines do. If you have a hole that you can see, you can either cut it and put in a small section of rubber hose without a problem. If you have any plumbing experience, you'll be fine. I always use a small flaring tool for copper tubine to flair the line slightly and then clamp the rubber hose just above the flair to prevent slippage. Also, if you can identify the hole or split, you can replace a section of the line with a short section of stainless tubing from your hardware or automotive store using compression fittings.
Here'* what I would do. Buy the shortest length of the right size tubing from your auto parts store. It will probably be flaired on both ends with the fittings in place. Cut it to the length you need, cut out the bad section on your car and use flaired fittings. You can get a flairing tool to flair the ends of the tubine for a few bucks if you don't already have one. If you loosten the bleader valve and slide a length of rubber hose over it, you can run that into a large bottle of brake fluid and pump away. Make sure that the hose is submerged in the brake fluid. Once fluid comes out and no bubles, you're done.
It'* a great one-man way to bleed brakes. ABS should not be any issue at all.
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