Hot air cold air from Passenger and driver side

What is your question?

Bought and installed a new actuator it looks like a black box but super duper hot air is coming out of the driver side and super duper wonderful cold air is coming out of the passenger side... Helpj

What makes this problem better or worse?

It is at its worst when you start the engine and try to Dr

How long has your 2002 Cadillac DeVille had this problem?

A few weeks