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Technical 1953 Chevrolet 3100 / master cylinder / brake line

Discussion in 'The Hokey Ass Message Board' started by Woogeroo, Apr 25, 2019.

  1. Woogeroo
    Joined: Dec 29, 2005
    Posts: 1,025

    Woogeroo
    Member
    from USA

    Hiya folks.

    vehicle in question:

    1953 Chevrolet 3100 series(half ton) pickup

    I am trying to replace all of the brake lines as I had a rupture last year, I have all of the lines removed, finally.

    I had to take the MC off the truck in order to get this brake line loose.

    I have questions about the line that goes into the back of the brake master cylinder, it has a thread on it, then it passes through the brass piece on there.

    Can I buy a new brake line with this thread on it? I've never seen a brake line quite like this before, so I'm guessing the parts store people will be equally confused.

    Any help on terminology or a parts source is appreciated, thank you.

    -Woogeroo

    ----

    folder of brake line photos

    go to the bottom for the brake line in question, removed from the MC.

    ----

    these are links to individual photos of the brake line in question:


    mc still mounted with brake line


    MC / brake line


    brass piece on brake line


    brass piece / brake line


    mc / brass piece / brake line


    brake line / brass piece
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 42,903

    squirrel
    Member

    maybe you could upload the photos to the HAMB so we can see them more easily?

    but you just need to take it all apart. The threaded thing going through the brass piece is a banjo bolt, the fitting itself is a banjo fitting. Generally we re use all that stuff, after spending an hour getting it freed up from the rust.

    be sure to use new copper washers.
     
    Woogeroo likes this.
  3. Here are the photos...

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    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]
     
    Woogeroo likes this.
  4. Doublepumper
    Joined: Jun 26, 2016
    Posts: 387

    Doublepumper
    Member

    A typical brake line is threaded into the banjo bolt. Yours looks like a one piece deal because the tube nut is rounded off.
     
    Woogeroo and squirrel like this.
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  5. 41rodderz
    Joined: Sep 27, 2010
    Posts: 2,696

    41rodderz
    Member
    from Oregon

    Now you went to all that work , you might as well rebuild/replace master cylinder if it's been sometime.
     
    Truckdoctor Andy likes this.
  6. replace with a dual master? ditch the banjo bolt completely
     
  7. Totally agree, though you'll need to make a bracket. We used a 4 wheel drum AMC unit on one project and worked out great, just needed a "custom" bracket anyone could make up to fit the holes in the car. Just pick a master, AMC, Corvette, Mustang whatever is close in size and weld up something stout to fit between it and the car.
     
  8. Woogeroo
    Joined: Dec 29, 2005
    Posts: 1,025

    Woogeroo
    Member
    from USA

    Thanks for the replies folks, I wasn't sure about that brake line coming out of that hollow threaded bolt or not... being a separate piece. I was leaning towards it being separate, but wasn't sure.

    Thanks for the information.

    -Woog
     
  9. Woogeroo
    Joined: Dec 29, 2005
    Posts: 1,025

    Woogeroo
    Member
    from USA

    I put the bolt in a vice and took a pair of vice grips to the corroded brake line side, where the nut was rounded off... after a few attempts with the old metal on the brake line flaking off, finally got down to some good metal with a grip and the brake line nut broke loose. Then I was able to take it apart and clean it up.

    Thanks for the tips folks.

    -W
     

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