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You turn on the AC and get hit in the face with a foul odor. It’s worse than the last time you left wet clothes in the washing machine for days!
Whenever the AC is operating, it not only cools, it dehumidifies the air. The moisture in the air condenses on cold surfaces inside the evaporator case. Most of this moisture drains harmlessly out of the system through the AC drain tube.
However, some of the moisture remains on surfaces after the AC shuts down. This lingering moisture combines with pollutants and microscopic contaminants that are naturally present in the air. The growth of these often occurs behind the dash, in the vents and in the evaporator case. The more humidity, the worse it gets. This causes an unpleasant odor. If the AC is not used as often then this can also cause the growth of bacteria and mold.
The next time you turn on the AC system, you will encounter this musty odor.
One way to solve the problem is to keep your AC unit as dry as possible by running it with the compressor off shortly before you arrive at your destination. This will allow some of the condensed water to drain off the AC evaporator surfaces and accelerate the drying process.
Most of today’s vehicles have cabin air filters typically located behind the glove compartment or under the hood or dashboard. Its job is to filter all of the air that comes through the car’s HVAC system to prevent pollutants, such as dust, pollen, smog and mold spores from entering the passenger compartment. If dirty, the filter can be full of mold, bacteria and other odor producing microorganisms which, during AC operation, forces the smell into the vehicle through the air intake. Follow Manufacturer’s recommendations found in your owner’s manual or check with your service professional to replace the cabin air filter in order to prevent excess dust and mold from entering the vehicle.
Tips for preventing air conditioner odor: avoid parking under trees to reduce the possibility of leaves entering the air intake; use the fresh air setting on your climate control rather than the recirculated air setting whenever possible to allow the evaporator to dry out and drive on paved roads whenever feasible as dust may accelerate the condition.
Consult your local LEAKPRO® Representative. LEAKPRO® has the knowledge, the tools and the proprietary products to eliminate the odor, not just mask it for a few weeks. LEAKPRO® uses various techniques and chemicals which are EPA rated and safe for the environment.
For the following smells see your Professional Service Provider Immediately;
If you smell gas every time you turn on your car’s AC system, your car may have a gas leak. When you turn on your AC unit, the gas smell can be brought into the vehicle through the fresh air intake. You need to repair the leak. There are several areas where your service professional can check for a gas leak, including inspecting the fuel pressure regulator of the engine. They can also check the fuel injector “O” rings in the engine compartment. It is advisable to check your exhaust system for any holes.
If the cooling system in your car smells sweet, then you should have your AC system checked immediately. The sweet smell is often caused by the toxic liquid, ethylene glycol (coolant). This smell is the result of a leak in the cooling system. The leak can originate in the heater core, pipe or hose, coolant housing unit or radiator.
I had a great experience working with Mike and his team at LEAKPRO. They provided great quality work and excellent customer service, for a reasonable price. Mike and his team are very well-versed in this specialized area of car maintenance and they stand behind their work. Highly recommended!Calvin J, SurreyBC
After having my 2016 Buick Lucerne repaired unsuccessfully 6 times by my GM dealer I heard of LEAKPRO. I called LEAKPRO, John came out and had my car fixed in 1 hour. The front sunroof drain tubes from the factory were actually trapped at the dashboard. John installed two new drains and I have never had another leak!D. Barlow OttawaOntario
My LEAKPRO representative Jesse did a great job fixing an intermittent water leak that would wet the back seat of my new truck. Jesse quickly pinpointed the problem and fixed it. No leaks now! Great service!K. Peters VancouverBC
I had an ongoing issue with a leak in my 2017 F150 from under the left side dash. My Ford dealer could not pinpoint it after 4 times. The dealer finally called in LEAKPRO and the leak was resolved within a couple of hours. We have had a lot of rain, and no more leaks! LEAKPRO knows what they are doing!D. Wiley HamiltonOntario
I had a musty smell in my used car I had recently purchased. MY dealer called in LEAKPRO, and it was determined that the smell was due to a water leak. LEAKPRO fixed the leak, replaced all l the under pad and disinfected the flooring. My car smells great and no more leaks!A. Stayrer TorontoOntario
I had a big water leak in my brand new truck on the right side. I was so upset, my carpet was soaked! My Service Advisor said not to worry we use LEAKPRO. I received my vehicle back at the end of the day as promised, I felt the carpet it was dry! I lifted the carpet to check underneath and it was dry, all new under pad and fresh smelling. My service advisor informed me it was a skip in the sealer from the factory. I am so happy I had to write!B. Slater WindsorOntario
I had a wind noise on my brand new Charger that my dealer after two attempts could not figure out, it was driving me crazy. I went to another dealer and they said no worries we bring in an outside specialty company. I arrived at the dealership for my appointment as I wanted to drive my car with the technician so he could hear what I was experiencing. Steve from LEAKPRO said he knew what the issue was and had it fixed within an hour!!! THANK YOU LEAKPRO!J. Stanwich KitchenerOntario