So I drive home today after dropping the kids off for varsity tennis practice and I'm on the highway for one short exit. I then see a puff of smoke coming from the left front hood, so I'm thinking that maybe that's the diesel purge spillover being burnt off from y-day's work. Now I'm going 70 mph when I see the temp gauge pegged at 120!!! I quickly exit and pullover , must have been 1/4 mile, I pop the hood see the hose off at the right top radiator and turn off the car. Now y-day I tightened that radiator hose because it appeared loose. Well after looking more closely today, I noticed that I was crushing the hose down a bit BEFORE the plastic protrusion. So under speed, it popped out. I walk to and fro and dumped 2 gallons of antifreeze into the basin and start her up and the car cools down to 90 and I park home, relieved. Now I'll probably flush this weekend and use MB coolant. Now the BIG question, did I do irreparable harm to my baby? Apart from the puff or 2 or 3, when I opened the hood it was steaming but not scary-like. There were no leaks underneath the car and the oil pressure is fine. Thanks, guys.

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