1998 Buick Park Avenue Q&A

1998 Buick Park Avenue Question: Why whenI turn on the a/c and one side blow cold and the other side blow hot air

The ac blows cold on driver side and hot on passanger side why is that so.. -
Answer 1
YOU MUST HAVE A DUAL ZONE SYSTEM , CAN BE SEVERAL THINGS , MOSTY IT IS THE HEAD UNIT, OR THE SERVO MOTERS GOIN BAD THAT CONDTROL THE BLEND DOORS. -