OEM air filter SHOT after 10k??? - Page 3 - G35Driver - Infiniti G35 & G37 Forum Discussion

#31

01-18-2006, 12:20 AM

Jeff92se

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I just replaced my cabin filter w/ a Nissan equivalent p/n. As far as the picture shows, you are right, when you slide just the filter in, it's loose. In the back of the housing, there are "ramps" that make the filter slide "up". When you put the cover back on, it has "tabs" on the bottom of the cover that hold the filter up also. So I believe it does a good job at sealing.

BTW. I changed mine at 26,xxx. I just got the car so I don't know when it was changed last. But it looked terrible and I noticed I didn't get an decent airflow until the fan was almost on the highest setting. Seems to blow much better at much lower settings now.

Quote:

Originally Posted by boones

Take a look inside the housing where the HVAC filter goes. The filter does not fit all that well as it appears designed to allow air to go around it, probably in case the owner never changes the filter. I'd think a HEPA rated filter would be worthless as the air will just take the path of least restriction. Also, since it was designed to fit loosely and allow air around it, putting in a tight fitting HEPA filter could potentially damage the blower motor over the long haul. The blower motor would have to work much harder to pull air through the filter. Also, the OEM filter does not use any carbon. I know there is a web store that advertises such, but no G35 I am aware of came equipped that way from the factory AFAIK.

BTW, if you are willing to go with an aftermarket filter, and once you feel the OEM one and see how loosely it installs I can't believe you wouldn't be, you can get aftermarket HVAC filters CHEAP. $12 bucks a pop. See here.

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