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Losing Anti-freeze

chevyaddict

Well-known member
Joined
Jun 12, 2002
Messages
894
Location
Tucson, AZ USA
Corvette
1990 Convertible
Another suggestion

I didn't have time to peruse in detail what everyone said, but I have experienced a problem where I have had pinholes in the upper portion of the radiator - not enough to blow steam, not enough to make the car overheat, but overtime, due to the chemical nature of water, I would simply need to add more because the vapor would escape through the pinholes. In this case, you won't notice any water leaking - it will appear that the water is just disappearing........

Some radiator seal works great on these pinholes. I would try a tube of that stuff and see if it fixes your problem. :upthumbs
 

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