Teach me about brake line repairs? - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-01-2007, 06:48 PM   #21
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I'll be shocked if your 91 has bubble flares. Give me a couple minutes & I'll add a picture of the bubble flare.

Here'* a pic showing both the double & bubble (GM Metric)
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Old 10-02-2007, 09:02 PM   #22
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Quote:
Originally Posted by Technical Ted
I'll be shocked if your 91 has bubble flares. Give me a couple minutes & I'll add a picture of the bubble flare.

Here'* a pic showing both the double & bubble (GM Metric)
Then you're shocked, Ted!

Seriously, I managed to separate the cross-car metal line from the right rear brake hose fitting and the flare at the end looks exactly like a bubble flare. I just went out and looked at it again to make sure.

Finally found a bubble flare tool for a fair price at one of the local non-franchise parts stores. I'll start buying materials and fabbing my new line tomorrow. The first step will be to make a test flare in some scrap, then see if I can flare the cut end of the old line where it looks like it'* sound.

It looks like there was a post from someone who decided to delete it between the time I viewed the thread and started this reply...

Ray, I agree, it might be worthwhile starting from scratch and doing all the lines, especially if I intended to restore and customize the car. Unfortunately, the cancer is getting to be severe enough I'd rather not invest that much energy into it.

I think getting one longer, fairly complex line fabricated for $60 or so is pretty good, if I consider the time, money and gas I will have spent finding the right tool, driving around shopping, then doing the work. Still, it'll be nice to have the skills I've managed to upgrade doing this job.

Thinking about the future, it'd be worth finding a newer Bonnie to replace this one. Not only do I like the way the car'* engineered, I'd still have this forum to call on for help.

Thanks,

Mike D.
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Old 10-08-2007, 04:17 PM   #23
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I want to report on the success of my repairs...

I made up the new line from two 60" prefabricated sections. Starting at the wheel, I made the dozen bends or so in the line until it reached the middle of the car, and cut a few inches off the end to position the union in a straight section. The second piece finished the trip and joins with the run forward at another union. Three flares and a little tweaking and the brake line is re-run like the original, fits in the original clips and clamps, and doesn't rub against anything in between.

I snugged up the fittings, bled the lines and tested for leaks. Bone dry on the first try!

I gotta say to everyone, thanks for the guidance and encouragement. I've got a new car repair skill!

Be well,

Mike D.
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Old 10-08-2007, 06:02 PM   #24
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Way to go!
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