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  1. #1

    Default Radiator in 94 GMC z71

    i have a 94 gmc z71. running into the radiator on the passenger side there is a metal pipe that has a slow leak. where it runs into the radiator there is a double bolt system. could this be why its leaking? how could i fix it? but because of this my overflow tank wont hold liquid.
    Last edited by ChevyFan; 07-29-2009 at 08:50 AM. Reason: more descriptive title

  2. #2


    ok what do you mean your overflow wont hold any liquid did you put any coolant in it to see where the leak is coming from , and if so where is the coolant leaking from on your overflow tank ?

  3. #3


    You can go to Auto Zone and borrow a pressure tester. Pump it up and pressurize it cold. You will see where the leak is.

    2004 SILVERADO 2500HD LS
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