Radiator with leaking tank at seam
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Pry with screwdriver to open the little tabs
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After screwdriver, you can carefully open them a little more with some pliers
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Screwdriver again to pop the tanks off
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Tank removed
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Carefully remove the gasket and save it
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Wash and clean everything. Opportunity to clean out the inside of the radiator channels
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Thoroughly clean out the channel where the gasket sits and apply ATV or whatever the strongest version you can find
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Put the gasket in and apply another bead of ATV
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Put the tanks back on and bend the tabs back down tight
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Enjoy a leak free radiator
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Only works if the plastic is not cracked and is only leaking at the interface between the aluminum and plastic. Allow for sufficient time for the ATV to cure properly before refilling radiator
