0
In your 1997 mustang the air is blowing through the defrost Why isn't it blowing through vents?
Wiki User
∙ 12y ago
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.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
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 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
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 is there no air coming out of vents can hear air blowing under dash board?
The year, make and model would help but many vehicles use vacuum to operate the direction of air flow through the floor vents, dash vents and defrost vents. If the vacuum supply is cut off for whatever reason the system defaults to defrost only. So if you only have the defrost mode working chances are the vacuum supply is cut off. Check the HVAC vacuum supply line under the hood for damage. If that system seems to be working but you have insufficient air flow through all of the vents, check/replace the cabin filter if applicable.
What would cause ac to stop blowing through the vents and start blowing through defrost and air not being very cold on a 1995 ford ranger?
Check your blend door for proper operatin. Check your ac gas level. make sure your condenser and orice tubes are not stopped up.
2002 winsrtar lx ac started blowing only through defrost vents onlytried turn every know still only blows through defrost vent?
Check under the hood for a disconnected or damaged vacuum line. The controls are vacuum operated and if the vacuum supply is cut off the system defaults to defroster only.
