the back ac blows cold noting comes out front wents on 1999 Ford Explorer

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
the ac blows cold back want blow in front vents
(1) Answer
the ac blows cold in back but the vents in front want blow out air when it does its hot air