Anyone have an idea?

Dvst8err

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2014 1500 5.7 Came home to a puddle in the driveway underneath the truck. Found the leak from this inlet on the passenger side under the ECU. This pic is from underneath looking up. Anyone know what it is?
 

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Jeepwalker

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Yep, that's what it looks like. Must have been a more humid day outside than usual.

Some incoming air crosses past the cold air conditioning evaporator coil in the heater box. As the air is lowered past it's dewpoint ...and then the moisture condenses onto the cold coil, just like water forms on a cold beer or can of soda outside. The water builds up and runs to the bottom of the HVAC box and drains out that tube.
 
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