HELP... I HAVE A 1998 VETTE NOW 2 PROBLEM'S THE FIRST ONE IS THE VENT FEELS LIKE IS CLOSE AND THE AIR ON ALL VENT COMES OUT REAL LOW. I HEAR THE BLOWER BLOWING HIGH WHEN I PUT IT IN LOW OR HIGH THE FAN BLOWS LIKE IS WORKING BUT THE AIRSTAY LOW. NOW HOT AIR COMES OUR OF THE DRIVER SIDE AND COLD AIR FROM THE PASSENGER SIDE ANY HELP PLEASE THANKS....