1995 Ford F350 "causes ac blow defrost vent" Questions

AC blows out of the defrost vents until you accelerate for awhile and sometimes when you stop at a red light it will change from the ac vents and go back to the defrost vents SOUNDS LIKE A VACUUM ...

ac only blows through defrost vents Also the ac is not always cold but will get cold with increased acceleration Sounds like blend/diverter door is not actuating. Check to see if blend door(s) actuate

ac only blows from defrost and floor vents.nothing blows from the front vents. Look for vacuum leaks. System is designed to fail in defrost mode. so.... vac hose off, for example, would cause an issue

...ac blows hard on defrost vent front vents stop working whats the problem manual AC or climatic ,if manual its could just be a perished vacumn hose if its clima it could be the computer malfuntioning ...

...defrost vents by the windshield. Hot is hot in AC is cold but only blows up by the windshield This may be caused by a loose or cracked vacuum line if the system uses vacuum actuators to control the ...

...AC. works well for a few minutes and then shuts down and doesn't blow out the vents. Then is seems to blow out the defroster harder. Then after a few minutes it blows out the vents again. I can hear ...

AC only blows out the defrost vents Doesn't matter which setting I have it on. The air only blows out of the defrost vents. It has vacuum activated doors to close and open when you move the switch. ...

...causes the ac to blow cold in the rear but warm air in the front? ac blows fine in the rear, blows warm air in the front, also you cannot change the controls as far as face, feet, defrost, its stuck ...

...defrost vents AC stopped blowing through the vents and started blowing through the defrost only - the vaccum hose is properly connected, what is causing this? hi.. Try grounding the LOW PRESSURE A/C ...

...blow out of dash vents When I try to select the dash vents, I only get air out of the defroster and heater vents. Where do I look to fix this problem? If it has automatic climate controls.Look to ...