why does my car ac smell sour
If you do not see clear water dripping from under the middle of your car when the AC is running it means the AC evaporator case drain hole is clogged with leaves pine needles debris or sludge. A cabin air filter in need of replacement.
How To Get The Bad Smell Out Of Car Ac Vent System Diy Cleaning Car Interior Car Smell Vent Cleaning
A best practice is to change your cars cabin air filters one every 30000 miles or so.
. A moldy or mildewy smell often occurs because of debris buildup in the under-hood air intake vent. If your drain line is damaged or you frequently use your AC system the unit is likely to stay damp all the time which creates a breeding ground for mold and bacteria. Theres also the chance that it might be a gas leak or just dirt but 9 out of 10 times itll be bacteria and mold.
When your cars air conditioning system smells bad its usually a musty and moldy odor. Often the culprits are. This is typically the main cause for most odors coming from a cars AC system.
As the car becomes older bacteria mold fungi and micro-organisms can start to grow. Water and moisture can get trapped within this debris leading to mold and mildew build-up. An air conditioner does not run on an internal combustion engine.
As your vehicle ages bacteria will grow in the AC system. Since this is not only unpleasant but also harmful to your health you should clean the AC properly. Engine coolant can then spill out of the coolant lines onto the road which can lead to coolant smells entering the cabin of your car from the air conditioner.
Bacteria and mold are often the most common reasons that make your cars air conditioner smell bad. Certain types of mold can cause your cars air conditioning to smell pungent pretty close to vinegar. Mold could be tough to stop once it has gained traction and it can be toxic to those who get into deal with it.
Photo in the Public Domain. Mold the one widespread reason car ac smells sour is known to infiltrate AC air ducts and feed on dirt dust useless pores and skin cells that build in the ducts if they are not cleaned on a regular basis. Mildew is probably the most common reason for car AC smells bad.
It leaves a distinct odor and every time you turn on the air condition you have to face this. Ensure that the engine is excellent and uses a reputable air conditioning service. When you power that bad boy up on the first hot day of summer the smell flows directly to your face yuck.
Car AC odors are usually caused by fungi growth. Air vents can quickly get blocked with debris such as leaves flowers grasses and bird deposits. A smell from an AC such as this most likely means there is a leak in your refrigerant line.
Httpsamznto2MYaGh7In this video I will show you how to re. An unclean car AC becomes home to mold bacteria fungi and many other kinds of micro-organisms to grow which causes an unpleasant smell to come out of the cars air conditioning system. Certain types of molds can cause your cars air conditioning to smell like vinegar.
These areas are moist and enclosed the perfect habitat for bacteria. One of the most obvious causes would be mold and bacteria. A leaky exhaust pipe can cause the smell of ethylene glycol or other chemicals to get into your cars air conditioner.
Your car AC smell due to the bacteria and mold that grow inside the AC. Ait conditioning knob Michal FludraNurPhoto via Getty Images Why does my air conditioner smell bad. This particularly happens where moisture collects that is on the ACs evaporator.
A sour smell from the car AC is usually caused by the bacteria. AC systems tend to hold moisture from condensation this is when mildew and mold can build up on the filter itself causing a very nasty odor when the fan is turned on. Basically water collects in that area and if it sits long enough creates the musty smell Most of the water is meant to exit your car via.
They use commercial-grade bacteriostats and microbials to kill and eliminate spores and other contaminants that cause foul smells from an AC system. Secondly you should investigate the cause of the exhaust smell. Mildew can thrive in many areas of your cars air conditioning system but youll find its particularly fond of the evaporator core and the condenser.
However your air conditioner does make use of some fluids and when heated they can smell like exhaust fumes. So why does my car AC smell. If you smell rotten eggs in the exhaust port your cars catalytic.
While it doesnt really present much of a health risk it certainly is unpleasant to smell. The mold can grow on the air vents especially if your region experiences high humidity. So there is no reason why your air conditioner should smell like running car exhaust.
Smells of mildew in your car may be caused by the growth of bacteria. Coolant lines are made out of rubber and are susceptible to cracking and leaking as they age. Buy Lysol Disinfectant Spray Crisp Linen 38oz 2X19oz US.
This area of your car is dark and damp which is the perfect place for this. Much bigger issues could cause foul odors in your AC too such as ozone emissions which tend to smell vinegary or leaking battery acid which has a strong sulfur smell. There are many ways the air condition system can cause a bad smell in a car.
This has to be one of the more upsetting car problemsWhat really makes this problem so brutal is that the air conditioner will typically keep working just fine but driving is tough to do when your eyes are watering from the foot stink blowing in your face. Probably one of the reasons why there is a distinct smell in your air conditioner when you turn it on is the growth of mold in your air vents. The air that passes through the evaporator and the units mold build-up will carry the foul smell inside of your car through your dash vents.
These elements produce smells from the AC system. It could grow in the wet dark spaces within the air conditioning system.
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