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Old Apr 2, 2017 | 07:59 PM
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Brake Lines

I plan on replacing the brake lines on our 1999 Ford F-250 Super Duty. The rear line blew out right by the hose, on the framerail. All five lines, all five hoses.

1. What size lines? Looks like front two are 3/16", rear two over the axle are 3/16", and the rear line in the frame is 1/4".

2. What other things do you recommend doing?

3. Does anyone have tips to make the job easier?

We are removing the bed (2013 bed) to make things easier. I am thinking fuel lines and parking brake cable while the bed is off. I have stainless steel hoses from KLM performance and I am also planning on replacing the rear rubber hoses. Obviously I'm using nickel copper line. There shouldn't even be an option for other brake line.

https://www.klmperformance.com/ford-...nes-99-04.html
 
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Old Apr 2, 2017 | 08:07 PM
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We're also planning on knocking some of the frame rust down, repairing weak spots, and coating it with something.

 
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Old Apr 3, 2017 | 11:36 AM
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Make sure you use NiCop {nickle/copper} brake line or stainless steel. The NiCop is much easier to form and flare and is very rust resistant, and cheaper than SS. Sorry I read your post too quickly you are right standard brake tubing shouldn't even exist anymore.
 
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Old Apr 3, 2017 | 12:25 PM
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Originally Posted by JeepGuy93
I plan on replacing the brake lines on our 1999 Ford F-250 Super Duty. The rear line blew out right by the hose, on the framerail. All five lines, all five hoses.

1. What size lines? Looks like front two are 3/16", rear two over the axle are 3/16", and the rear line in the frame is 1/4".

2. What other things do you recommend doing?

3. Does anyone have tips to make the job easier?

We are removing the bed (2013 bed) to make things easier. I am thinking fuel lines and parking brake cable while the bed is off. I have stainless steel hoses from KLM performance and I am also planning on replacing the rear rubber hoses. Obviously I'm using nickel copper line. There shouldn't even be an option for other brake line.

https://www.klmperformance.com/ford-...nes-99-04.html


the hard lines are available prebent and terminated from motorcraft and can be had fairly cheaply from Rock Auto. Do them all straight back to the ABS unit. Don't cheap out. replace everything you possibly feel you can afford. it's worth it in just not dealing with the friggin rust. parts on our trucks are so cheap, anyway...


I would not recommend replacing the brake lines with stainless. there's no reason paying through the nose for SS lines when the stock ones will get you another 15 years, at least, anyway. Stainless is also a pain in the *** to bend, if you have to make adjustments.
 
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Old Apr 3, 2017 | 12:34 PM
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From: Bozeman MT
I would buy OEM hard lines, you can go either OEM or aftermarket for the hoses - the aftermarket hoses need minor adjustments always.
 
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Old Apr 3, 2017 | 02:04 PM
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I've done brake lines before so I'm fairly set on my ways. I only use NiCopp line, and stainless steel braided hoses where possible/sensible.

What I'm mostly looking for is what lines pass through the framerail there, that would otherwise be inaccessible or difficult to access with the bed on.

Since I am removing the bed, I'd like this to be a one shot kill as far as maintenance in that area for the next decade.
 
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