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  1. #1
    Join Date
    Nov 2007
    Posts
    10

    Default Welding bracket on copper radiator

    The mounting flange on the side of my 69 Camaro has detached itself from the radiator. Has anyone out there had any experience re-attaching the flange? Can it be welded? The bracket is steel and the side tank of the radiator is copper. Thanks for any help that might be out there.

  2. #2
    Join Date
    Sep 2005
    Location
    East Tennessee
    Posts
    141

    Default

    It's soldered on. There's a dimple or raised place on each side plate at the tank. hook a light spring, or bungee cord in each of these (use a piece of wire on the side that's loose, so the bungee cord doesn't melt) this will pull the sides together as the solder melts it'll settle right into the right position then heat the side that is loose with a torch. You may need to add a little solder, but there's usually enough to reattach the side already there.
    If it's been broken a while, or it's dirty, you may need to pull the side back a little, clean & re-tin both pieces, then re-solder as above...
    HTH
    Cya Frank
    Professional Auto Mechanic since 1974
    My own shop since 1981
    Cya Frank

  3. #3
    Join Date
    Nov 2007
    Posts
    10

    Smile

    Cya,

    Thanks for the great information. I really do appreciate it. I'll let you know how it turns out. Thanks again, Bill (z302)

  4. #4

    Default

    I believe you will want to use silver solder.

  5. #5
    Join Date
    Dec 2007
    Location
    Oklahoma
    Posts
    711

    Default

    Quote Originally Posted by Jeepnford View Post
    I believe you will want to use silver solder.
    No.

    Griff

  6. #6
    Join Date
    Aug 2006
    Location
    Raymore Missouri
    Posts
    1,920

    Default

    No what..........
    Nick
    Miller 252 Mig
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    www.youtube.com/watch?v=jTu7wicVCmQ
    Vist my site: www.nixstuff.com
    and check out some of my ironwork and other stuff

  7. #7
    Join Date
    Nov 2007
    Posts
    10

    Default

    Is there a special solder to use? I'm getting ready to do this tonight after work. Thanks

  8. #8
    Join Date
    Nov 2007
    Posts
    10

    Default

    One more thing, I found out that the side tanks on this radiator are brass not copper.

  9. #9
    Join Date
    Aug 2006
    Location
    Raymore Missouri
    Posts
    1,920

    Default

    I would think a soft solder with low melt temp is called for. You could probably use acid core solder. Clean your parts well and tin each part. Then hold it in place and heat untill the solder starts to flow and remove heat without disturbing the part. Be careful not to use too much heat or you'll melt other joints as well. A good sized soldering iron should work. Leave the o/a alone. Clean the residue off afterwards.
    Nick
    Miller 252 Mig
    Miller Cricket XL
    Millermatic 150 Mig
    Miller Syncrowave 200 Tig
    2-O/A outfits
    Jet Lathe and Mill
    Jet 7x12 horz/vert band saw
    DeWalt Multi Cutter metal saw
    Century 50 Amp Plasma Cutter
    20 ton electric/hydraulic vertical press
    Propane Forge
    60" X 60" router/plasma table

    www.youtube.com/watch?v=jTu7wicVCmQ
    Vist my site: www.nixstuff.com
    and check out some of my ironwork and other stuff

  10. #10
    Join Date
    Jan 2008
    Location
    VA
    Posts
    298

    Default

    I use 95/5 plumbing solder it is a bit harder than 50/50 but in the same heat range. Clean and coat with non acid flux.
    Weekend wannab racer with some welders.

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