Brake Lines after adding Power Booster

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Sep 14, 2005 | 01:20 PM

qman

Thread Starter

Cargo Master

Joined: Sep 2004

Posts: 2,691

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Brake Lines after adding Power Booster

I bought a power booster for my 72 and realized that if I slip it in behind the master cylinder the break lines will no longer mate up. How is this problem solved?

Sep 14, 2005 | 02:26 PM

Tech 1

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Joined: Dec 2003

Posts: 129

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From: Fayetteville, N.C.

gman: You can approach this 2 ways. Go to the parts house and get 2 short pieces of brake line and 3 unions and 2 extra flare nuts and add them to your existing lines. The only problem you may face is you may have to flare the ends of your rear most line because I think the fitting is different than the lines you get at the parts house. I personally would add a section to the forward line and get a tubing bender and make a new line completely from the proportioning valve up to the master cylinder to replace the rear line. Another way is if your lines are coiled you may be able to stretch the coils out enough to make them work. It is my understanding that the coils are put in the lines to prevent vibration from breaking them but I don't think stretching the coils out some would affect it.

Sep 14, 2005 | 02:36 PM

4Cammer72

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Joined: Mar 2004

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From: SOUTH CAROLINA

stretch the coils to make up the difference. there is plenty of line and you will still have coil left in the lines.

Sep 14, 2005 | 03:26 PM

flyflinger

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Joined: Aug 2003

Posts: 177

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From: Beaverton OR

I just did this and just SSSSTTTTTRRREEEETTTCCCHHHEEEDDD the coils. Worked great so far!!!

Sep 14, 2005 | 04:03 PM

qman

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Cargo Master

Joined: Sep 2004

Posts: 2,691

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Is it better to uncoil the coils or tighten the coils.

Sep 14, 2005 | 04:04 PM

flyflinger

Senior User

Joined: Aug 2003

Posts: 177

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From: Beaverton OR

Grab the fittings and just give it a pull, so you are tightening the coils, but the stretch isn't that far. The coils have some give, just pull slowly.

Sep 14, 2005 | 09:10 PM

4Cammer72

Elder User

Joined: Mar 2004

Posts: 976

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From: SOUTH CAROLINA

yeah, like he said just grab it and pull it towards where you need it to go. dont try to unwind it or wind it tighter just pull it and it will give.

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Sep 15, 2005 | 10:28 AM

rebocardo

Post Fiend

Joined: Jun 2002

Posts: 13,873

Likes: 3

From: Atlanta GA

When pulling up on the line, do not attempt to thread the fittings together until the connection stays lined up perfectly by itself and threads in easy. Otherwise you will strip the threads.