Air Barely Coming Out of Vents in Car - The Truth About Cars - Navara

Air Barely Coming Out of Vents in Car

If Air barely coming out of vents in a car it means there is a problem with the air passage. In normal car air conditioning if the fan is set to maximum the air coming out the ac vents should be maximum also, but if the car air conditioning vent barely blows out air it is not normal. Usually, the main reason is a blower problem or air duct blockage problem.

 
AC Fan Blower
AC Fan Blower image credit


Air Vents in Car
Air Vents in Car
When troubleshooting the problem, the first culprit that will come into a mechanics mind is the blower because most often than not, the cause of the problem is a failing blower. But sometimes sliding blower wheel from the blower motor shaft is also the reason, there is another reason like the blower is having a faulty dashboard switch assembly if this is the case the blower will not operate on maximum operation even if it was set on the highest setting.

Same as for the air duct blockage this will restrict the flow of air from coming out of the car air conditioning vent, possible reason for this is there are a closed or nearly closed air doors that are stuck inside from one of the air conditioning ducts which prevents the air from coming out the car ac vents, it is also possible that an accumulation of debris such as leaves from a fresh air intakes is preventing the flow of air, but the restriction of air can only be felt when the car air conditioning is set to "fresh".

Car trouble symptoms

(1) Not enough air is coming out the car ac vents even when the fan is at maximum setting.

Possible cause why Air Barely Coming Out of Vents in Car

(1) Problem on the ac blower.
(2) Air duct blockage.

To fix the problem, one must determine first the setting of the ac system to where the problem occurred.

Occur on fresh setting
Air Circulation Switch
Air Circulation Switch
If the problem occurred only when the air circulation is set to "fresh", meaning the air from outside goes inside the vehicle then it obviously be a problem of accumulation of debris on the intake port for fresh air, check if there is leaves that accumulates on the intake port that restrict the flow of air from coming out vents, remove that debris to solve the problem, the intake port is located on the outside beneath the cowl top, this is near the windshield base, just open the car hood to gain full access on the intake port.

Occur on either re-circulation or fresh setting 
If the ac vents barely blow air even the car ac is set to "recirculate" then it is a more serious problem. In this case, you need a mechanic to check the problem, bring the car to a reputable shop specializing in auto ac repair and have it check.

The mechanic will remove a lot of parts before the vehicle ac blower and air conditioning duct can be actually checked. Checking these parts needs some expertise.

Suggested Article:

Why Is My Car Air Conditioner Not Blowing Cold Air?
My Car A/C is Blowing Hot Air
Car Heater Not Blowing Hot Air

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