That's generally how the AC performs. Where else is it suppose to blow? By the windshield requires you to select defrost. There are blend doors that based on your switch selection position the air flow.
SOURCE: 2003 envoy ac blows cold from defrost and floor but will not dash
u have to take your dashboard at the glove compartment to cheack the vacuumpod ot your damper door
SOURCE: 98 Olds LLC - AC works but fan air does not blow
If you have a late model GM car
and the system is controlled electronically the blend door actuator becomes weak. When this situation occurs it will not move the air direction door inside of the heater/air conditioner plenum. in your case not to the vents Replace the actuator with new and recheck the system. i hope this helps
SOURCE: my cadillac deville 1998 was blowin good ac on the
actuator is not working the top vents. the actuator opens and closes flaps like a door
SOURCE: AC does not blow through face vents but does blow
There is a directional vent door actuator motor not working,the dash will have to be removed to replace it.If this was at all helpful,please rate,thank you.
SOURCE: Ac not blowing out vents defrost and floor vent
Check for a vacuum hose under the hood that is bad,or not connected,this will be going into the firewall.
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