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OK, but how can rodents in the air box stink up the cabin air?
Max, please define "air box" so we know exactly what you are talking about. It is one of those terms that means different things to different people, and most automotive mechanics don't even use it!
Knowing what car you have can help clear up the question a little easier. The cabin air filter and the engine air filter are two completely different systems not related to each other at all.
Max, please define "air box" so we know exactly what you are talking about. It is one of those terms that means different things to different people, and most automotive mechanics don't even use it!
The guy who wrote that in another auto-related forum (I don't think I'm allowed to link to it) just used the term "air box". I also wondered about that for a while, and decided that he must have been referring to the engine air filter box.
In my car (2008 Honda CRV) the cabin air stinks (urine/ammonia/ black mold?) If I switch to recirc, it doesn't. I looked at the cabin air filter behind the glove box, and it seems OK.
I think I'll try to spray Lysol into the intake holes by the windshield, and see if that helps.
The consensus here seems to be that the engine air box and all the filters and pipes there are irrelevant, right?
You need to clean the cowl vent and the heater core and the air conditioning coils.
Then make sure the air plenum drain is open.
IF, on a hot day, after running the air conditioning for a while then parking the car, there is no puddle of condensate under the car, then the drain is plugged and all that water is laying in there, growing things. You may have to take it to your Honda dealer and have the system disassembled and cleaned. Be sure they understand that the drain must be cleaned out, or you will just have the same problem again next year.
No, this has nothing to do with the engine air cleaner housing or filter.
Likely in cabin air fan box. Air coming through the engine ait filter does not mingle with the air going through cowl. Unless he had some real crap in the air FILTER box and it stunk so bad that oncoming air flow sucked it into the air filter.
Also, you need to always split in half what folks online say.
Some people wrote that rodents made a nest in their "air box", and that made their cabin air stink.
If a rodent crawled into the engines "air box" that is not possible, as already mentioned it's completely different system.
There is "air box" if you want to call it that under the windshield/dash.Mine has filter, I would assume they all do. You should change these occasionally or at least clean it. Took mine out and it was completely black.
IF, on a hot day, after running the air conditioning for a while then parking the car, there is no puddle of condensate under the car, then the drain is plugged and all that water is laying in there, growing things.
If I just pour half a gallon of water into the HVAC intake grill (cowl), and nothing comes out from the bottom, is that a good test?
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