Rear ac not blowing on 2005 GMC Yukon XL Denali

Rear ac not blowing but front is blowing cold air

by in Rochester, MN on June 25, 2010
1 answer
ANSWER by , June 25, 2010
Check the pressures with a gauge set, if the system is a bit low, it will only cool the front 1/2 of the vehicle.