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Why does Air conditioner work on defrost only and no front vents or floor?
Wiki User
∙ 14y ago
Vacuum leak
Wiki User
∙ 14y ago
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Why does my air only blows out my front vents and not the floor or defrost on your 03 dodge ram?
There may be several reasons why the air only blows out the front vents and not on the floor or the defrost on the 2003 Dodge Ram. The fuses may be blown, or the heating coil is not working correctly.
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.
Why heat blows out vents only not defrost or floor?
Most likely a bad or disconnected vacuum hose to the defrost/floor selector in the heater ducting.
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
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.
Why doesn't heat blow out floor only?
the heat blows out the defrost when it should blow out floor vents only
Why doesn't heat nor cold air blow out of front or floor vents but does out of windshield defrost vents?
It sounds like your vacuum controls are stuck on the defroster I had that happen and I sprayed a lubricant into the vacuum lines and it cleared up
Why do you get hot air at floor and defroster vents but only cold air at the dash vents vents in a 1995 chevyvan 20?
the middle vents only supply air from the ac unit using a separate in dash fan. the floor and defrost vents come only from the heater
04 Chevy trailblazer why don't defrost and floor vents work but not face vents?
The mode door actuator has failed. We have instructions for repair at www.trailvoy.com
Why would you get heat out of your defrosters but not your front vents or the floor on a 98 wrangler. fuses are good and I replaced the control pannel?
Your blend door is giving you trouble, it is not switching from defrost to heat or vent
Why would your air conditioner blow out of the defrost vents ON 2000 F-350?
You probably have a jammed or otherwise defective vent door.
