1997 park av
the a/c blows cold on passenger side and the heat is on the drive side vents.is this a vacuum leak problem or maybe a electronic control issue.
most of the park ave had electronic door actuators in the hvac housings
you may be a little low on freon. my car did the same thing and it was just low on freon. david
Search Buick Park Avenue Questions
Buick Park Avenue Experts