
Originally Posted by
atsffan
My only guess would be that a seam let go under pressure on the radiator, but it's hard to tell where the point of origin is from your photos. It doesn't look like much coolant was lost (if that's what it was), so you might not be able to see a change in coolant level in the tank. Also - it doesn't have the customary G12 pink color.
Once you clean it up this weekend, I'd take it out for a short drive in some stop 'n go traffic to heat things up and then stop and take a look under the hood for leaks. Good luck.
Very odd.
Richard