0
In your 1997 mustang the air is blowing through the defrost Why isn't it blowing through vents?
this one is easy your switch the controls the vents is not working there is a flap the closes the defrost vents so that it goes through the other vents or there is a vacumn line that is controlled by the switch, and its leaking. The vacumn line is usually on the engine side of the firewall. It is a very small plastic tube comming out of the middle of the firewall at the top and it connects to a junction with other vacumn lines. See if any of them are disconnected.
What else can I help you with?
I have a 2004 Ford Mustang and you will just be riding along and my air conditioner will just randomly start blowing air out of my defrost vents What is going on here?
You have a vacuum leak causing your vents to switch from dash to defrost.
What causes the front air conditioner on 1999 Lincoln navigator to stop blowing through the ac vents and start blowing through the defrost vents?
When there is a problem in the vent system it defaults to defrost setting. Check the doors & vac supply
Your central air conditioner turns on but is not blowing through the vents?
If central air conditioner turns on but is not blowing through the vents, check the filter. If it is dirty, change it. Change the thermostat into cool, this will defrost the air conditioner.
AC vents blowing through Defrost and bottom vents 05 crown vic?
2003 crown vic air conditioning vent dont blow
What causes the air conditioner on a 2003 Chevy trailblazer to stop blowing through the ac vents and start blowing through floor and defrost vents?
Check for a vacuum leak -sounds like it is starving for vacuum and reverts to the default position
Why does air blow through vents on the dash but not through the defrost vents on top when you switch the control?
When you switch the control to direct air through the dash vents, the HVAC system redirects airflow away from the defrost vents. The system uses a series of blend doors to control airflow direction, and if the defrost setting is not activated, those doors remain closed, preventing air from flowing through the defrost vents. Therefore, air is channeled exclusively to the dash vents instead.
Why does your 96 mustang gt only move air through the defrost vents?
This should answer your question. I too had this same problem on my 96 mustang and found this site useful. http://forums.stangnet.com/740776-posessed-air-conditioning.html
Air not blowing through vents just floor and defrost on a 2002 jeep?
when it happened to mine, it was because the arm behind the dash that controls the internal vent doors slipped off
Why does your AC blow through defrost but not through dash vents on 2005 titan?
If your 2005 Nissan Titan's AC is blowing through the defrost vents but not the dash vents, it may indicate a problem with the mode door actuator. This component controls the airflow direction, and if it's malfunctioning or stuck, it can prevent air from reaching the dash vents. Another possibility is a vacuum leak in the system, which can affect the operation of blend doors. Checking for any diagnostic trouble codes or inspecting the actuator for proper function would be a good next step.
2000 Ranger's Fan goes from blowing air through vents to the defrost when fully depressing throttle?
This is very common on many vehicles and its either a broken, cracked or removed vacuum line.......
What is causing the air to come through the defroster vents and not the AC vents in a 1995 Ford Mustang GT when the AC or vent knob is turned on?
I am sorry, I am not technical on this stuff, but we had the same problem on our 95 Mustang GT. We had to take it into the dealer and the problem was that one of the hoses had come loose, so it was not blowing enough air pressure to force the vents open.
Why does AC and heater blow air through defrost vents and will not blow air into cabin vents in your 2009 Mercury?
If the AC and heater in your 2009 Mercury are only blowing air through the defrost vents and not into the cabin vents, it may be due to a malfunctioning blend door actuator or a problem with the HVAC control system. The blend door actuator controls the flow of air to different vents, and if it’s stuck or malfunctioning, it may be directing all air to the defrost vents. Additionally, issues with the climate control module or vacuum leaks in the system could also cause this problem. A thorough inspection of the HVAC system is recommended to identify the exact cause.
