The air air conditioning is a blessing, especially in warm temperatures. Do you quiet sweat while driving your Kia Sedona? your air conditioning device no longer cools properly? This can have various causes. What this are and what you deserve to do about it, we describe in this article.

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Kia Sedona – (photo by Kia)

The many common reasons that hinders normal procedure of wait conditioning system on your Kia Sedona room dirty cabin waiting filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, poor blower motor, defective compressor, faulty blend door actuator or any kind of fault in the electric system.


1. Dirty cabin air filter

The pollen filter, additionally known as the cabin filter or microfilter, is a central component the the ventilation system in her Kia Sedona. A dirty filter causes the all at once ventilation the the inner to deteriorate resulting in decreased cooling, heating and also air flow. It additionally puts unnecessary stress, overload on the whole AC mechanism which negatively effects your Sedona’s fuel consumption.

There is no prescribed time for transforming cabin wait filter, yet most manufacturers recommend a change after 10,000-20,000 miles. If you drive your auto in dusty or polluted environment, the filter can get dirty much sooner than manufacturer’s recommendation.

Start by inspecting the problem of the cabin wait filter on your Sedona. Rather of changing it directly, that is regularly recommended to an initial clean the pollen filter. This deserve to be done, because that example, through a vacuum cleaner or a compressed air system, removing at least a large part of the visible dirt particles. Unfortunately, this procedure does not allow you to acquire into the deeper great of the filter. Therefore, the filter performance will certainly not increase substantially even after ~ cleaning. Together a rule, over there is no staying clear of a change.

Video: instead of cabin wait filter in Kia Sedona

You don’t necessarily need to visit a workshop to clean or change the pollen filter on your Sedona. You can accessibility the filter by complying with a couple of simple steps, as shown in the video.


Note: Dirty cabin air filter mostly only leads to decreased cooling. If only hot air comes the end of the air vents in your Sedona, climate the difficulty probably lies somewhere else.

2. Dirty or clogged condenser

Like the radiator, the air conditioning condenser top top Kia Sedona sit at the front of the vehicle and is responsible for releasing the warm from the refrigerant into the ambient air. Over time, grime, bugs and other little particles can develop up on its surface and in the gaps of its mesh. This hinders the condenser’s capacity to release warmth as less air passes through the mesh, which results in poor cooling in the interior.


If the condenser is dirty on her Sedona, the easiest solution is to clean it. For this you typically have to eliminate the prior bumper to gain access to the condenser. You can use power washer for cleaning, but make sure that its in ~ low push setting, together high pressure can easily damage the delicate fins on the condenser.


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A clogged or leaking condenser can likewise be the reason for air-conditioning no working effectively on your Sedona. A leaking condenser deserve to lead to a loss of refrigerant and reduced cooling performance of the system. In bespeak to find leaks in the air air conditioning system, a leak search is brought out in the workshop using creating gas – also the the smallest leaks deserve to be detected. In this way, it have the right to be identified whether the loss of refrigerant is due to a defective condenser. If this is the case, the only option is to replace the broken part.

3. Refrigerant Leak

Insufficient amount of refrigerant is quiet the main reason of a non-functioning AC system. A loss of up to 15% of the refrigerant per year is normal as result of the design. If girlfriend don’t have actually the device serviced routinely on her Sedona, the refrigerant level will ultimately get for this reason low that the device loses the cooling capacity. Just have actually it refilled and also you have the right to drive with pleasant temperatures again. If the refrigerant level goes under again quickly, then it way there is most likely a leak.

In addition to the typical loss, ingredient defects room usually responsible because that the escape of the refrigerant gas top top Kia Sedona. A defective sealing ring, a worn heat or a condenser that has actually been damaged by a stone chip are the most common causes.

Finding these mostly very tiny leaks is often not easy. The mechanism is fill with creating gas (nitrogen v a tiny hydrogen) in the workshop. Bigger leaks may already be heard or girlfriend can discover them through a leak detection spray. Smaller sized holes have to be localized by looking all materials with a gas detector. As soon as the leak has actually been found, this must be closed again by instead of the corresponding component.

4. Dirty evaporator

Dirty evaporator can additionally be the reason for AC troubles on her Kia Sedona. Cabin air filter catches most that the dust or other airborne particles, however some escape and also fall on come the evaporator. End time, these dust particles deserve to builds increase on the fins and block the air flow through the evaporator, result in bad cooling.


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The 2 most influential symptoms the a clogged up evaporator on her Sedona are:

The air circulation from the vents is choppy and not smooth.The within of the car is arising a poor moldy smell.

Cleaning the evaporator on Sedona is no a straightforward task. In many cases, the entire dashboard has to be removed prior to you can accessibility the evaporator. Therefore it is recommended to execute this at a workshop.

There can additionally be a refrigerant leak in the evaporator, in that case the evaporator will have to be replaced.

5. Compressor failure

The compressor is the heart of the whole air conditioning mechanism on Kia Sedona. It is composed of moving parts that convert what is actually a gaseous coolant right into liquid – this is how your vehicle is cooled.


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A broken compressor is commonly irreparable. If the air conditioning is switched on regularly, the parts likewise remain movable. However, if friend don’t turn on the air air conditioning on her Sedona for a long time, the components will stick. The an outcome is a defective compressor that have the right to no much longer be repaired. The only thing that helps is swapping through a new one.

The worst damage, however, is a failure of the AC compressor once it “eats” itself as result of insufficient lubrication or a production error, metal chips form, i m sorry are distributed throughout the Sedona’s AC system. If you just install a new compressor here, another failure is inevitable, together the chips automatically destroy the new component. In such a case, nearly the entire air air conditioning system has to be replaced. A best of the metal pipes have the right to be rinsed here. Because the two warm exchangers (condenser and evaporator) space designed in cross-flow design, the laundry detergent finds the route with the least resistance and also leaves the chips behind. However, the high-pressure refrigerant pulls these chips earlier with it during operation and the next damage is inevitable.

6. Negative blower motor

If there is no air circulation or diminished air circulation from the vents on your Kia Sedona, poor blower motor can be the culprit. A worn the end or weakened blower motor can additionally produce abnormal sounds as soon as in operation.


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You can not repair a broken blower motor, the component must be replaced with a brand-new one.

Note: If the blower engine suddenly stops working from one second to the next, girlfriend must very first check even if it is a puffy fuse is responsible for the failure.

7. Faulty blend door actuator

Blend door actuator plays a function in controlling the air flow and also temperature inside your Sedona. Anytime over there is a problem with the temperature the the air air conditioning system, it could be a difficulty with the mix door actuator.

The most usual symptom the faulty mix door actuator on Kia Sedona is a slight clicking sound consistently coming native under the dashboard. The sound will certainly be most influential for a couple of seconds once you revolve on the air conditioning or adjust the temperature. Sometimes transforming the temperature have the right to temporarily stop the sound.

A knocking noise can be one more indicator that a negative blend door actuator on her Sedona, although its fairly rare. The sound is something choose a irradiate tapping on the door and it happens as soon as you revolve on the waiting conditioning system or revolve off the engine.

Conclusion

There are many reasons why air conditioning may not it is in working correctly on your Kia Sedona. When looking for the reason, girlfriend should always start with the most noticeable cause, low refrigerant level in the system.

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In any type of case, that is advisable because that laypersons to visit a workshop. In the occasion of a defect, the mechanic can straight initiate the repair.