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Rear brake lines, HELP

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Old 01-07-2012, 05:18 PM
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Default Rear brake lines, HELP

Ok so I just got back from deployment so I've been working on the Jeep trying to tie up the loose ends. So I bought extended braided lines and I went to put them on and my stock line connections are so corroded. I sprayed it with PB and all that. When I tried to take it off it was so corroded it just flaked off, the metal seems really soft and almost strips. So I need some input on how to deal with it. Thanks
Old 01-07-2012, 05:56 PM
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Brake line by the foot at oreilley, autozone etc.. or various lengths with fittings already on and double flared for ya. If you go that route, measure what you want to replace and go the next size longer on the pre-assembled lines. It's easy to put a few bends in to shorten 'em.
Old 01-07-2012, 06:18 PM
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Ok thanks, what about getting the line off the axle where it splits to the drums? It doesnt look like it twists off, I just dont want to break something and land myself with more issues
Old 01-07-2012, 07:00 PM
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Originally Posted by Tharry91
Ok thanks, what about getting the line off the axle where it splits to the drums? It doesnt look like it twists off, I just dont want to break something and land myself with more issues
The breather hose that comes out the top ... follow that to the square/block and unbolt it. Its basically a hollow bolt for the axle breather line and the where the brake lines (on the axle itself) will unscrew from the box.
Old 01-07-2012, 07:15 PM
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are you talking about the flex line at the frame end, or the other end on the axle tube.

the flex line will unthread at the frame clip/hard line and is attached to the brake block on the axle tube, that part doesn't thread off, only the hard lines to each wheel cylinder threads out of the block.

as mentioned above, unscrew the breather line to remove the block end.
Old 01-07-2012, 07:26 PM
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Yes Im talking about when it goes from the hard line to the rubber line down to the axle block
Old 01-07-2012, 09:16 PM
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that's a tough one. worst case is the line breaks, then you may have to replace that whole piece of hard line, about 8 feet long from the master to the flex line. not a hard job, dealer has the oem line, or you can bend your own from a jobber.

start soaking it with some pb blaster or liquid wrench for the next couple of days. spray it as often as you can.

it's also nice to have a set of line wrenches for these as those flare nuts are soft and strip very easily.
Old 01-07-2012, 10:49 PM
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yeah I have been trying with line wrenches I just dont know if its salvageable, I tried breaking it loose but its so corroded and soft it just started to strip
Old 01-07-2012, 11:23 PM
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I just replaced mine all the way from the master. Mine broke wayyy to easy when replacing the stock flex hose. So it was a no brainer for me.
Old 01-07-2012, 11:26 PM
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Use some vise-grips and replace the lines. If they're that rusted on the outside you can surely bet they are rusted inside too.
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