1992 Bonneville Rusted Brake Line - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-23-2012, 10:45 AM   #1
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Default 1992 Bonneville Rusted Brake Line

I looked under my car after realising a brake line must have rusted through and it looks like about a good foot of the brake line is rusted. The part in the center is where the leak is.




My question is, if that'* the only rusted part I can see, is that all that needs replaced on the line(*)?
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Old 07-23-2012, 12:04 PM   #2
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Considering the nature of brake lines and how they rot, its always recommended to replace the entire line. If you accidently touch a different line, its guaranteed to leak also. Thats plumbers murphys law.
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Old 07-23-2012, 12:04 PM   #3
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The brake line should rust from the outside in, which means you should be able to visually determine which sections need to be replaced. If it was me, I would replace the entire line.
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Old 07-23-2012, 01:48 PM   #4
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Unless there'* a very solid chunk you can splice into I'd just replace the whole line like stated. Another thing that'* common is once you touch one line you'll likely break more.
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Old 07-23-2012, 02:15 PM   #5
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If you replace the brake line with pre flared lines, and are not a master bender of steel pipe, conside replacing with nickel copper lines sold at Autozone. Much easier to bend than steel pipe. And a much better quality material when it comes to corrossion. Many of the European manufactures use a copper nickel pipe over steel pipe.
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Old 07-23-2012, 05:08 PM   #6
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How long is the entire line and is there a way to determine which actual brake line I need to purchase. I have a mechanic that will be working on it, I just want to do my research to figure out what i'm looking at financially as far as parts.
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Old 07-23-2012, 05:17 PM   #7
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if hes just spooling off a coil of line and the fittings are cheap but the labor on lines is high because its a pain in the butt. i did all mine including the price of the metric flare tool was a little over 100. i think thats the one thats about 4 to 5ft goes to the pass side rear wheel, maybe 20
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