Close-up of black plastic radiator/shroud part with molded circl…

With the area dry, it disappears again. This suggests that it CAN be repaired, since it's so close to the large inlet nipple, and on a flat surface, and the plastic isn't degraded. Not every plastic radiator tank leak is in such a convenient position, and not all are in such good overall condition.

If the leak was any worse (and I was desperate, broke, or bored), I'd uncrimp the tank seam, pull it off, and fix it more thoroughly.

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UPDATE: 6/5/15 After 3 years, this tank blew out farther down on the side, and I replaced it with a new one from 1800RADIATOR. I may open this old one up and fiddle with it some day...

Owner caption September 2012 · Photo 4715 of 5000