a/c dash vent problems
 

my a/c works great will run you out of the truck once the hot air is out but.... it will only blow from the defrost vents.:censored: was wondering if its a vacuum problem because I do have manual hubs don't know for sure if the truck had auto lock outs before?:unsure: please help cause im tried of wiping my window ever so often when I use the a/c.

your hubs have nothing to do with vacuum, they run off centrifugal force.

anyways, your defrost problem is from a vacuum line, look under your hood battery side up by the heater/ac box. there is a WHITE hard plastic vacuum line, they get brittle and break down. replace it/ or the section that is broke, USE THE SAME SIZE LINE or it wont work right.

http://i54.photobucket.com/albums/g9...VacuumHose.jpg

ill check it out and see what it does. thanks forthe helpful info.