I Have A Question about cabin air filters

Re: pricing at dealer vs elsewhere

Just paid $18.95 plus tax at the dealership parts window. Easily changed it myself.

That’s my kind of woman!
:wink:

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What good does filtering down to 5 microns do if you can pass a bowling ball through the side window?

Simple!

The passenger compartment is always under positive pressure.

Where the outside air is always under negative pressure.

That’s why cigarette smoke always goes out the window as soon as it’s opened.

So, even if the window is open, the air is going to go thru the cabin filter, into the passenger compartment, and then out the open window.

Simple fluid dynamics.

Tester

I see them as more of way to keep junk/dirt out of the HVAC system.

Many moons ago compressed air was free. The original "pay per puff " machines appeared in this area about 20 years ago and were 25 cents for 5 minutes. Similar to the 25 cent 5 minute self service car washes. The last time I used a car wash about 5 years ago it required $2.50! I had 1 tire a bit low 3 years ago and paid $1 for 2 minutes with a barely functional nozzle. The gas station attendant informed me the machine did not belong to them. They were a vending machine like drinks or snacks. The days of actual service stations is unfortunately history. The Chevron service station I worked at when I was 19 years old 1971-1972 asked customers if they wanted their tires and oil checked. All windshields were cleaned while we pumped their 25 cents a gallon leaded regular gas unless the customer declined. The station had 2 lifts plus a tune-up bay with a Sun diagnostic machine. We even went as far as valve jobs. The head shop was only 2 blocks away. There was no need for having a convenience store as the 7/11 was 3 blocks away. The ā€œgood old daysā€ really were.

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Many of the filling stations around here still have a 1 or 2 bay repair shop attached to them

Some of them even manage to stay very busy

I’m guessing it’s word of mouth, as some of these shops specialize in a particular type of

I’ll go a little off-topic now

That filling station I’ve mentioned in the past . . . the one that charges about 50 cents more/gallon than ANYBODY else in the area . . . their business seems to finally be drying up. It’s increasingly common to drive by there, and see absolutely no cars there, whereas all the other filling stations have at least a few cars there at all times. And it’s at a busy intersection, so location is not a problem.

I’m actually quite please by this development. Serves the owner right. If you charge WAY too much, and have absolutely nothing to offer for that rip-off price, then you SHOULD go under. Even if he’s the best employer in the world, he’s still charging too much, and by a very wide margin

In the back of my mind, I still think the guy might be using the gas station to write off losses from his other business dealings, or it may be a front for some shady activities

Or maybe the guy is just plain stupid and/or crazy. You don’t need a business degree to realize something isn’t right with this picture

That would not work with my 2010 Kia Forte. The only key access locks are ignition and driver’s door. Since nearly all vehicles have an interior release for trunk or hatch a valet key would only be useful for the glove box or console but not for me.

While there is truth to the above statement, don’t forget that anytime a window is open, lots of outside air comes into the passenger compartment, rendering the cabin filter’s filtration mute.