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04 Chevy trailblazer why don't defrost and floor vents work but not face vents?
Wiki User
∙ 14y ago
The mode door actuator has failed. We have instructions for repair at www.trailvoy.com
Wiki User
∙ 14y ago
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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 won't the dash vents work in my 95 Chevy Camaro but floor vent and defrost vent work fine?
the ducts can not be hooked up for the vents to work
Chevy trailblazer 2004 air vents do not blow air?
If the air vents of the Chevy trailblazer 2004 are not blowing air, have the fuel pump checked.
Why won't the dash vents work on my 1995 Chevy Camaro but floor vents and defrost vent work fine?
When there is a problem with the vent system it dfaults to the defrost setting. Sounds like you have a problem in the doors that direct the air flow.
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.
Chevy trailblazer 2004 Why doesn't the air blow out of the front vents when the air conditioner is on?
The air of your Chevy trailblazer 2004 blow out of the front vents when the air conditioner is on because the air condition is faulty and it needs repair.
Why doesn't heat blow out floor only?
the heat blows out the defrost when it should blow out floor vents only
Why does Air conditioner work on defrost only and no front vents or floor?
Vacuum leak
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
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.
...when you turn on your AC in your 1996 Jeep Cherokee and cold air only comes out of defrost and floor vents instead of your main vents. How do you fix?
you need to replace the vacuum.
What is wrong with 03 trailblazer climate control won't switch from feet to head vents?
If the climate control on a 2003 Trailblazer will not switch from feet to head vents, try changing it to defroster then back to head. The mode button on the dual climate control model can only be switched from face/feet to feet and then to defrost. The feet and head vents worked at the same time.
