Why Does My Car Smell Bad?

A bad odor originating from air conditioning vents has actually long been a common grievance with vehicle owners.Some automobiles in particular seem to have been more troublesome throughout the years-like the 2009 Ford Focus.Moreover,it seems that this kind of complaint comes primarily from owners of late design cars and usually Used automobiles  with R-134 systems.Given that there is still a vigorous trade in the utilized automobile market,it helps to know why your automobile might be doing this.



Bad Air

This is not a brand-new issue; it's been around ever since vehicles have had air conditioners.Prior to we can determine how to eliminate that smell,however,we need to comprehend what's causing it.The origin of the smell is caused by fungi,germs,and other microbes growing inside the evaporator core. The moisture-laden environment is extremely conducive to the development of these organisms.

As car manufacturers scale down elements to conserve space and weight,this problem has actually been increased.Due to the fact that the automakers made the evaporator smaller, they added more fins and packed them more detailed together to increase the performance of the evaporator.While this has made the evaporator more effective,it has likewise made it more susceptible to trap moisture that contributes to the growth of these organisms.

Purging the Smell

Automakers have actually long understood this problem and have actually assaulted it with both mechanical and chemical solutions.

Ford created a Moisture Purge Module that attaches to the A/C system to dry the evaporator core.What it does is cycle the blower motor to dry the evaporator for an amount of time after the engine is shut off.The module will work for the majority of Ford vehicles,however it requires an unique harness depending on the type of electrical system used in the cars and truck.

General Motors has a comparable system called Electronic Evaporator Dryer (EED).The EED turns the blower motor on and off in 10-second bursts (whereas the Ford Purge Module runs it continually).This will conserve the battery and GM says it pushes out two to three times more moisture from the evaporator.There is likewise a temperature sensor that will turn the blower motor off when the ambient temperature level is low enough that the possibility of bacterium development is at it's least expensive.The EED is not based upon what kind of electrical system is utilized;it can be used on any General Motors item without any adjustments.

Spray Solutions

There are a couple of chemical items out there that will assist look after the issue, too.Tidy 'N Coat is a two-part system that embeds an anti-bacterial in an acrylic coating that stays with the evaporator.It comes in a spray can that you can spray on the evaporator and provides defense for about three years.Call your local vehicle dealer parts department to learn more.

There are likewise a variety of products specially formulated as vehicle HVAC duct cleaners.Mission A/C System Cleaner,and 4 Seasons Dura II Flush Solvent are simply a couple that are presently offered at automobile supply stores.And many car owners swear by a good spraying of Lysol every so often.It's not a long-term option,however it is quick,simple,and reasonably inexpensive.

Other Smelly Causes

Lastly,no matter which make or design you drive,if you park your car outside or in an automobile port where small animals can reach your duct,you may likewise have to battle dead animal smell at some time.In this instance,any of the short-term solutions pointed out above need to work to assist combat the stink.

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