A/C air filters get dirty quickly in Phoenix, AZ

The normal interval for a/c air filter replacement is once a year or every 15,000 miles. In Phoenix, AZ it is very dusty, so filter changes may be needed more often. Today I found a set of original equipment a/c filters in a 1994 Lexus LS400. The car only has 96,000 miles on it and the owner only drives twice a week at best, the owner is a snow bird and this is the winter car that just sits at the house during the summer.

The car has been serviced several times with us, but the owner visits other locations. The client did not have an issue with the a/c, but it’s March and warm out so I turned it on Max just to check it. I noticed the air flow was weak when the fan was set on MAX air. So I took a peek at the a/c air filters.

I was stunned to find OE original filters in place. Some-how it was not noticed on the other visits to the shop. Overall changing the cabin air filter regularly keeps incoming air cleaner and duct air flow at peak output. If you do not remember ever-changing the a/c filters in your car, stop in at the shop and we can take care of it for you.

It’s all good under the hood. Anthony Xavier ASE Master Technician

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