Your battery went dead sometime it messed up the computer.
Disconnect the ground for 5 or more min. Reconnect and it should work
could be a vacuum line off
My ac blows only in the defroster and not any of the other vents i have 98 ford windstar 3.8 v6
check your coolant level
Either you have clogged or busted vent pipe or the actuator could be going bad.
The 2 door Chrysler Sebring (non-convertible) Also the 1996 Mitsubishi Eclipse
check belt maybe slipping Be sure the coolant level is full
This happened to my 96 Your battery went dead sometime it messed up the computer.Disconnect the ground for 5 or more min. Reconnect and it should work
Try This If it's stuck in defrost your battery died and messed up the computer. Disconnect battery for 5 or more min. It worked on my 96
no, only with defrost or ac on or if coolant temp is hot enough
The doors are moved by vacuum. You need ot trace the vacuum line that goes into the firewall on the pass side to make sure it is not broken.
If it blows only out the defroster vents : then check for Vaccume leak Rick ASE L-1 Master TransMichigan.com
If air blows from defroster only, the vacuum line to the blend door may be broken. You can access most of it under the hood.