Brake line installation
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Laughing Gas
Joined: May 2015
Posts: 826
Likes: 21
From: Golden, CO
Brake line installation
I'm looking for tips or "best practices" for running brake lines. Got Speedway firewall booster/MC, proportioning valve, and residual valve (drum/disc).
Just picked up 25' roll of 3/16" line. Mostly concerned about going from cab (MC) down to frame. Do you install a joint/connection or just a 90* bend at frame… and then remove lines from MC should cab ever need to be pulled? Also seen "circles" at MC before dropping down to allow for flex. Necessary?
Advice and photos appreciated. Thanks!
Just picked up 25' roll of 3/16" line. Mostly concerned about going from cab (MC) down to frame. Do you install a joint/connection or just a 90* bend at frame… and then remove lines from MC should cab ever need to be pulled? Also seen "circles" at MC before dropping down to allow for flex. Necessary?
Advice and photos appreciated. Thanks!
Thread Starter
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Laughing Gas
Joined: May 2015
Posts: 826
Likes: 21
From: Golden, CO
yep, just wondering if there are other means for same end, since you don't see them on all setups... (i'm not sure i'll be able to replicate 360˚ turns with a DIY bender??).
Logistics Pro
Joined: Sep 2014
Posts: 4,920
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From: Bothell & Silverdale, WA
I wrap the line around a spray can and then fit.
Roast em' if you got 'em
Joined: Mar 2005
Posts: 21,980
Likes: 9,828
From: Rio Rancho, NM
The best tip I can think of for bending up your own brake lines is this;
Check, and then double check, and then check a few more times that you have slipped the fitting nut on the line before making the flare.
On a related note, double check that the fitting nut is on the last run before the flare and not stuck behind a bend.
I have seen several home made tubing straighteners the people have fabbed up for straightening the brake line after unrolling it. The straighteners were nothing more than a some angle iron with several sliding glass door rollers mounted to it so you could feed the tubing through the rollers to straighten it out.
Also, secure the brake lines to the frame every so often to reduce rattling
Good luck
Bobby
Check, and then double check, and then check a few more times that you have slipped the fitting nut on the line before making the flare.
On a related note, double check that the fitting nut is on the last run before the flare and not stuck behind a bend.
I have seen several home made tubing straighteners the people have fabbed up for straightening the brake line after unrolling it. The straighteners were nothing more than a some angle iron with several sliding glass door rollers mounted to it so you could feed the tubing through the rollers to straighten it out.
Also, secure the brake lines to the frame every so often to reduce rattling
Good luck
Bobby
old and in the way
Joined: Jul 1997
Posts: 5,918
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From: Lovely Hueytown Alabama
don't know if this will help but it might
https://www.fordtruckzone.com/thread...trucks.661906/
john
https://www.fordtruckzone.com/thread...trucks.661906/
john
Logistics Pro
Joined: Sep 2014
Posts: 4,920
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From: Bothell & Silverdale, WA
I just stand the tubing coil on edge, put a weight on the loose end, and just unroll it across the floor. What could be easier?
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I have a frame mounted master and I used stainless braided lines to connect to the hard lines. I also first bought a role of brake line and could NOT get the lines as straight as I wanted them. Really was not a whole lot more to get straight lines vs getting role.
Logistics Pro
Joined: Nov 2011
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From: Northville, MI
Also allows adjustment for differences in length between what you measured and what is real.
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Laughing Gas
Joined: May 2015
Posts: 826
Likes: 21
From: Golden, CO
pete, was that a "kit" for the heat/noise dampening material in the cab in that photo in your sig, or did you piece it all together from a roll?
thanks.
thanks.
Logistics Pro
Joined: Nov 2011
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From: Northville, MI
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Logistics Pro
Joined: Nov 2011
Posts: 4,685
Likes: 80
From: Northville, MI
Inside the rail. There should be clips that hold it near the bottom. There are holes in the crossmembers to allow brake lines through. There is a bracket back by the axle that holds the connection of a flexible rubber line to a hard metal line.