Steam blowingout of air conditioner vent

Tiny
MEPLUS6
  • 2001 MITSUBISHI DIAMANTE
  • 150,000 MILES

My air works great until I have driven steadily for an hour. Then it starts to blow less cool air (boarder line warm) and "steam" blows from my vents. If I let the car rest for even just 5 minutes, it will work fine when I start back up for a few minutes then start failing again. Any ideas?

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Friday, September 9th, 2011 AT 9:56 PM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,399 POSTS

Check to make sure you don't have a leak in the heater core. Steam will blow out from there if there is.

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Friday, September 9th, 2011 AT 10:07 PM

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