New strange Heat issue

This is a new one on me. The heat finally WORKS in the Liberty! But only blows hot air on the first 2 fan speeds. Any higher than that and the air gets cooler (not cold). What in the world could this be?

Little history behind this:
Replaced the fan blower motor resistor so could resolve the fan speed settings.

Replaced main coolant hoses because they were swollen

Replaced T-stat only to discover it was deffective because no heat was blowing. Replaced it again and now heat blows but only at low speeds.

Any ideas on what this could be?

I think thats fairly normal. The coil cant keep up with the fan speed causing the air to pass through without absorbing enough heat.

Lovely! That is good to know.

I don't know about all that... my heat cooks me out most of the time, regardless of what setting the blower is at... even at this time of the year near Chicago.

How's the condition of your water pump?

I forgot to mention that was replaced as well.. Went out 2 months before I changed hoses and thermostat.