Replacing brake lines.
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New User
Joined: Aug 2003
Posts: 6
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From: Quaker City, Ohio
Replacing brake lines.
I have a 1993 F-150 that has a hole in the rear brake line. I am replacing the lines form the proportioning valve in the front to the point that the line goes through the frame by the rear tank. I got the front loose quite easily but the rear is giving me some trouble. I tried cuting the line at the connector and placing a socket over the connector but I all i have succeded in doing is rounding this one off. I was wondering if any one had any suggestion on removing this, and if this is a different type of connector?
Thanks For your help
Dayle
Thanks For your help
Dayle
Senior User
Joined: Feb 2000
Posts: 369
Likes: 1
I just replaced the brake lines on my '68 Scout and I had a lot of problems removing those fittings that have been on for 35 years until I started using a flare wrench to remove the line nuts. However, if you're using a socket and it is still rounding then you probably have the wrong size of socket. Well, also the metal is quite soft. Nevertheless, confirm with a metric or standard. Either way, it sounds like you'll have to get out the file and try to get those edges sharp again, so the original size is irrelevant now.
To loosen it up, make sure you use lots of liquid wrench/PB Blaster, etc. to loosen up the connection and let it work it's way in for a while. If that doesn't work, heat always makes a big difference. Put a hair dryer or something similar (that won't cause a fire with the penetraing oil!) to heat the fitting. That's about the only use I have for my hair dryer these days!
Good luck!
To loosen it up, make sure you use lots of liquid wrench/PB Blaster, etc. to loosen up the connection and let it work it's way in for a while. If that doesn't work, heat always makes a big difference. Put a hair dryer or something similar (that won't cause a fire with the penetraing oil!) to heat the fitting. That's about the only use I have for my hair dryer these days!
Good luck!
Posting Guru
Joined: Apr 2003
Posts: 1,085
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From: West Chester PA
Similar question. I'm replacing the front brake lines. I have everything all set to go, but have one question. In the haynes manual, it says to plug the brake line after it you remove it so that the brake fluid won't all leak out. What do you plug it with?
Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
>What do you plug it with?
I do not plug it, I cap it with a vacuum cap and small clamp. This way you cut down on air in the line. Though I do let all the fluid out when I bleed it, so all the fluid is new.
I do not plug it, I cap it with a vacuum cap and small clamp. This way you cut down on air in the line. Though I do let all the fluid out when I bleed it, so all the fluid is new.
