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How do these radiator fittings work?

Discussion in 'The Garage' started by divorced, Dec 10, 2005.

  1. divorced

    divorced 3/4 ton status

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    This is on a 1996 K1500. This fitting is leaking, and it would be cool to know how it works before I tear it apart. There is a nut that tightens the fittings. How does the fitting come out? From the inside? It looks like the fitting is leaking between the fitting and tank, not the line.

    [​IMG]

    [​IMG]
     
  2. beater_k20

    beater_k20 Banned

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    i think you're screwed, time for a new radiator.
     
  3. divorced

    divorced 3/4 ton status

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    [going crazy]

    WHAT?


    NO!!!


    $298.99!!!

    [/going crazy]
     
  4. Blazr77400

    Blazr77400 1/2 ton status

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    Try and get that one repaired before buying a new one. It looks like a diesel radiator and those do run real high in price.
     
  5. sandawgk5

    sandawgk5 3/4 ton status

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    If it is a plastic tank it is common for the tank to crack underneath that nut like thing due to the heat from the coolant entering the radiator. You might try epoxy or JBweld on the crack to see if you can get it to seal. Chances are you need a new tank at a minimum. I know there are a few shops around me that say they can replace a plastic tank.

    Ira
     
  6. sweetk30

    sweetk30 professional hooker Premium Member

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    oring under the addaptor in the tank side. lots of fun to fix. time for new rad.
     
  7. 85burbanator

    85burbanator 1/2 ton status

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    youd have to take the tank off, replace the rubber seal or possibly the whole tank. you need a special tool to bend the tabs unless you can get something to work. the tanks are simple to remove and replace. there are 2 rubber seals, 1 at each fitting and a rubber seal that goes around the tank. you can fix it your self if you had the parts.
     
  8. beater_k20

    beater_k20 Banned

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    you're not shopping around enough...:doah:
     
  9. BadBob

    BadBob 1/2 ton status

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    I've got a diesel radiator that's all metal from an 82 K/20 I don't need. It's a little banged up, and needs boiled out, but it didn't leak when I was using it.
     

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