brake line size/diameter - JeepForum.com

 
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post #1 of 8 Old 09-20-2005, 11:19 AM Thread Starter
UCTJ
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brake line size/diameter

Anyone know the size for the hard brake line on a rear D44 w/disc? Is it a set size or could it vary?

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post #2 of 8 Old 09-20-2005, 11:21 AM
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Its 3/16 with standard flare fittings.

2004 Black Rubicon w/ 5 spd

RE 3.5 SuperFlex & Front Trackbar / JKS 1.25" BL & MML / 35x12.5 MTRs on 15x8 AR-23s / Currie Anti-Rock / Jeeperman Bumpers / Rokmen Sliders / York OBA / Harbor Freight 8k Winch
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post #3 of 8 Old 09-20-2005, 11:43 AM
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Quote:
Originally Posted by RockRunner85
Its 3/16 with standard flare fittings.
Double-flare I believe. At least that's what I found when I had to cut part of the brake line off to install the disk brake conversion, and that's the kind of flare I put into the brake line when I re-flared it. I think automotive brake lines are mostly double flared but I'm by no means a brake line expert.

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post #4 of 8 Old 09-20-2005, 11:50 AM
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Quote:
Originally Posted by Jerry Bransford
Double-flare I believe. At least that's what I found when I had to cut part of the brake line off to install the disk brake conversion, and that's the kind of flare I put into the brake line when I re-flared it. I think automotive brake lines are mostly double flared but I'm by no means a brake line expert.
I think double flare and standard flare are the same thing. I know when we bought brake lines for my friend 8.8 swap we had the choice of standard flare or bubble flare. The bubble was not right and standard matches what was on the Jeep already.

Not sure on the terminology of brake line flares. Your probably safer saying double flare than standard.

2004 Black Rubicon w/ 5 spd

RE 3.5 SuperFlex & Front Trackbar / JKS 1.25" BL & MML / 35x12.5 MTRs on 15x8 AR-23s / Currie Anti-Rock / Jeeperman Bumpers / Rokmen Sliders / York OBA / Harbor Freight 8k Winch
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post #5 of 8 Old 09-20-2005, 11:54 AM
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Okay I figured it out. Standard flare (or metric flare) is the type of nut used to hold the brake line in the fitting. Then theres double flare and bubble flare for the flaring done to the end of the brake line.

2004 Black Rubicon w/ 5 spd

RE 3.5 SuperFlex & Front Trackbar / JKS 1.25" BL & MML / 35x12.5 MTRs on 15x8 AR-23s / Currie Anti-Rock / Jeeperman Bumpers / Rokmen Sliders / York OBA / Harbor Freight 8k Winch
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post #6 of 8 Old 09-20-2005, 11:59 AM
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Well, standard flare and double-flare kits are different and there is an extra step in the double-flare process so they're really not the same thing. I think whether a single or double flare is used may depend on the anticipated fluid pressure or perhaps if it is a hydraulic line.

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post #7 of 8 Old 09-20-2005, 12:02 PM
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I found this site that explains brake line flaring
http://classicbroncos.com/brake_line_flaring.shtml

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post #8 of 8 Old 09-20-2005, 12:27 PM Thread Starter
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Ok, so I guess I double flair it....or if somebody knows the part number for a Rubicon's brake lines both sides, I could just order some of those and they should fit w/no problem.....BTW does anyone know if e brake cables from an 8.8 will work with a D44 w/discs????
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