Brake Fluid Leak?
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Senior User
Joined: Aug 2004
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Brake Fluid Leak?
My brake fluid is leaking somewhere. On the rear axle there is a "something" where a couple metal brake lines go into and a hose or 2, I can't remember. What is this? I looked in the chilton manual and I cannot find anything in there about it. I was thinking a proportioning valve of some sort, but when i goto the parts store to buy a new one, I want to get the right part. It is soaking in cleaner right now and I will wire brush it later this week to see exactly what it looks like.
Thread Starter
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Senior User
Joined: Aug 2004
Posts: 382
Likes: 0
The truck is a 1977 f150 2wd with a 360 and a 4-spd
I guess I will have to clean it up real good and see exactly where it is leaking from, but i may just replace the junction block to be safe, thanks guys
I guess I will have to clean it up real good and see exactly where it is leaking from, but i may just replace the junction block to be safe, thanks guys
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
That block is a T fitting that splits brake fluid between each rear wheel. You'll see two rubber lines and two steel lines. One rubber line goes up front to a steel line that goes to the master, and the two steel lines go to each wheel. The other rubber line is a differential breather. It's about two feet long, and just gets tied up inside the frame.
