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David G

Well-known Member
Jegs has 1999-2007 Chevy replacement pre-bent brake lines, Steel $170, SS $230.

They also have the copper / nickel in bulk.
 
Buy the pre-bent lines no matter what the cost is. Brakes are the most important system on any vehicle. Copper will not withstand the pressure that is in a hydraulic brake system. You're talking 2,000 + PSI in a hydraulic brake system. It's hard to believe I know but it's true. That's why you don't see any company manufacturing brake lines like you do hydraulic hoses...
 
As expected, I got a text from my son this morning as I was returning home from work, he was heading in to work, lost his braking power on the way. I checked his car, and the body line to the right rear had rusted and blown- he did make a hard stop at the first green light when a car ran out from the red side. Since I'm working the next three nights, I just ran it over to the trusted shop about two miles from his work. Need to replace both body lines to the rear. 1997 LeSabre, not unexpected, I guess. All because of these threads, I'm sure...
 
I suspect the reason copper won't take it is the flare won't hold. It would push the line out of the flare nut and straighten the flare on the way out. Am I right?
 
copper/nickel brake lines are just copper lined (inside) they are easier to bend and not kink and take a double flare well without cracking
 
(quoted from post at 13:04:19 08/01/15) I suspect the reason copper won't take it is the flare won't hold. It would push the line out of the flare nut and straighten the flare on the way out. Am I right?

I expect that you are simply because the metal is a little thinner there.
 
CALL YOUR GM DEALER! They have a kit for all the lines on your truck for something like $99.00
GM knows there is an issue so they basically discount the kit so everyone wont make a stink. This is about the only time I have ever seen GM be cheaper than aftermarket. Last winter I did my 2006 with 67K on it...
 

I have dealt with them they are reputable. To make and install all of the lines on a vehicle can take a day pre-made lines can save a EZ 3 to 4 hours and save 3 to 500 dollars it time and parts...

The only issue I have with pre-made is the line that runs the length of the chassis will come to you wadded up in a roll :twisted: I normally ditch it and make up that one myself...
 
I've got a early 70's Allis Chalmers forklift that came factory with copper brake lines. Never seen that on
anything else. Never had a problem with the lines, granted they never see the kind of pressure a power assist
panic stop would generate.
 
Mine were replaced and used GM for replacements, still haven't put the one over the gas tank yet, lots of trouble to take tank down
 

Lift the bed up :wink:

Another option is to use armored (wire rapped, looks like a spring has been installed over the brake line) brake line and re-rout the line...
 
Prebent is the way to go if you're doing more than one or two lines.

Even with all the right tools and a good flaring tool, making your own is a pain in the butt, and you always end up doing a little last minute hand bending while you're down there installing it - negating all the time you took to make factory perfect bends.

Save your sanity for something better than brake lines.
 

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