1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Hard brake lines broke and I need help!

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Old Jan 18, 2021 | 09:35 PM
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Hard brake lines broke and I need help!

So I was driving down the access road and my brakes where squeaking so I came to a stop and decided that pushing my brakes down all the way while at a dead stop might help because maybe they where still a little compressed but instead something popped and when I got home to check it I found that one of the rear hard brake lines had popped can someone please walk me through how to fix this and where to buy parts for it.

Last edited by MunMun; Jan 18, 2021 at 09:36 PM. Reason: Misspellings
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Old Jan 18, 2021 | 11:04 PM
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Old Jan 18, 2021 | 11:19 PM
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Some auto parts stores also sell straight brake lines with tube nuts already on them so all you need to do is bend them carefully. Make sure they're 10mm thread.

Last edited by j_tso; Jan 18, 2021 at 11:21 PM.
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Old Jan 19, 2021 | 07:04 AM
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Originally Posted by j_tso
Some auto parts stores also sell straight brake lines with tube nuts already on them so all you need to do is bend them carefully. Make sure they're 10mm thread.
what length would I need for the rear lines I’m planning on going ahead and just replacing all 4
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Old Jan 19, 2021 | 09:10 AM
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Take the old ones off and use as a template. That will tell you the size. If doing them all, take a tape measure under the car and start measuring. You can buy a large role and a flaring tool.
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Old Jan 19, 2021 | 09:53 AM
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If you decide to make you own lines look into the Nickel/Copper brake line that is available in bulk. It is very easy to work with can can be bent without a tubing bender. Don't skimp on the flaring tool you buy because it needs to be able to make a double flare. Also, practice making double flares because it can be tricky.

Last time I had to replace a hard line on a street car, I found that the auto parts store had pre-made hardlines in the OE style rigid material and the Nickel/Copper stuff. The nickle/copper lines made the repair a breeze.
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Old Jan 19, 2021 | 10:30 AM
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Thanks guys I decided it’s probably best just to have a professional do this since if I mess up I could be endangering others but what I also noticed after this happened was my gas pedal was stiff and hard to press down at the very end to get full throttle is this related at all?
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Old Jan 20, 2021 | 05:49 AM
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The throttle being stiff is not related to brake line failure. The lines likely failed due to being rusty. I would advise replacing all of the brake lines for the rear of the vehicle. Master cylinder back.

A stiff accelerator pedal can be caused by a sticking carb linkage, a binding throttle cable, a cable that's slipped off of the mount on the carb..many things.
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