On the trip home from Chicago to Minneapolis last night, the outside temperatures varied around high 40's to low 50's through Illinois, Wisconsin and Minnesota.
Our 2008 Sonata Limited 3.3 V6 has a auto climate control unit which blows A/C beautifully even when the outside temp listed on the unit is 50 degrees F. I've noticed it wasn't getting any warmer while trying to turn the dial to 72 -75- 80-84 degrees, it kept staying cold and blowing cold even when directing the air to floor, face and defrost. Good thing the kiddies were nice and warm in their car seats and covered with their blankets, then us we were happy to have the heated seats option.
I've kept an eye on the temperature gauge and that was just shy under half between Cold and Hot, which is where I have seen it at normal operating temperatures.
At a gas station while stopped to refuel, I've opened the hood and checked the coolant hoses upper and lower on the radiator.
The top one was definitely hotter than the lower one - this got me thinking the thermostat is working OK....
Then I've reached in the back to the heater core hoses and both the inlet and outlet hoses were hot. Which told me that the heater core is not clogged and hot coolant flows through.
Now I am puzzled why am I getting cold A/C when the temperature dial is turned to MAX or anywhere in high 80's F, regardless where I directed the air flow?