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Why does your vents not blow any air Air is coming out of the dash and the floor and the heat and the cool setting works you just can't get any air to blow out of the vents?
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When accelerating or engine under load of 2002 f-250 ac air from dash vents moves to defrosters then to floor while cruising it works fine any ideas?
you have a vaccumm leak defrost is the normal at rest vent setting
For a 1998 Honda civic HX if there is no air coming out of the vents but the air conditioner fan works what is wrong?
Your air conditioning cool air is routed to the various vents by routing doors. A malfunctioning routing door can be stuck and remain closed.
1990 Nissan 300zx What if the AC works but will not change from the dash vents to the floor vents or defrost wents you I have replaced the climate control switch?
ITS THE VACCUM ADVANCE WHEN YOU ACCELERATE THE VACCUM IS LEAKING WHEN YOU RESUME SPEED THE A/C REACTS NORMAL CHECK VACCUM HOSE LEAKS
My 1978 Corvette AC works fine except it doesn't blow air out of the sides and Center Console vents just out of the floor vents.?
sounds like there is a vacuum leak under the dash or at the slide controls, and the plenum door is not able to move to change selection.
2002 Chevy astro van The ac works good but no air comes out of the middle ducts of the dash Could this be a blockage or is there a motor that works that vent only The other vents seem to work fine.?
The most likely cause is the hoses to the center vents coming loose. Feel under the dash to see if cold air is blowing, and look to see if you can see the back of the vents to insure the hoses are connected.
Blower works but no air come out?
something has to be blocking the vents.
Windstar 98 AC and heating working fine but air doesn't flow through top rear vents and warm air is vented to floor rear vents while AC is on and sending cold air in face vents?
Its a faulty rear control switch (a/c or heat) on the dashboard. It works by vacuum and when it doesn't work correctly it defaults the rear heat. I just had this repaired on my '98.
The blower works fine no hot air getting to the vents?
Heater core
2000 Chevy 1500 heater not working but the AC works fine. It seems as long as you leave the blower control turned below 2 you can get somewhat warm air coming out of the vents but not on defrost?
i just replaced the thermostat in 2004 Chevy truck heater works fine now
What is the meaning of different pictures on the fan control panel in the car and how does this work?
The knob with multiple pictures is used to control where the air comes out. For example floor, defroster, vents or a combination of two of them. It works through the use of cables, vacuum or electric motors.
Cold air is blowing on first floor but not second floor?
Hi: would love to help, but your question leaves more questions than answers. I simply do not have enough to go on here to help as much as I would like to. You are only as good as your information & I'm afrain you tell me very little. Assumptious guidance is bad business. Tell me more about your system/systems, and how they are arrainged in your house to work for you and all you can about the house to. Thanks: Jimiwane or you could open your second floor vents all the way, and crack the vents on your second floor. Works like using Balance dampers, but not as effective as having your system balanced properly.
Air not blowing cold fans work compressor works full of freon?
How do you know it is charged properly? If you did not put gauges on the system? If no air is coming thru the vents the coil may be clogged. This list could take a long time!!
