How often do you guys clean and re-oil your K&N filters? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-09-2007, 06:14 PM   #1
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Default How often do you guys clean and re-oil your K&N filters?

I know K&N have a lifetime warranty but they do say that you have clean and re-oil them periodically.
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Old 06-09-2007, 06:22 PM   #2
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when you cant see light through them or when they start to look dirty/brown black or they start losing the red color.
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Old 06-09-2007, 06:39 PM   #3
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Twice a year should be more than enough. It might be more if you live on a dusty road.
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Old 06-09-2007, 06:44 PM   #4
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they say the max is 50,000mi, but if you get it dirty alot, then go with something like 25k. The more you clean them, the faster they'll wear out.
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Old 06-09-2007, 06:51 PM   #5
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Quote:
20. How do I know when to clean the filter?

The general rule of thumb is that the filter needs to be cleaned when the dirt build up gets as thick as the wire mesh. The usual interval is 30,000 - 50,000 miles depending on driving conditions. We recommend that you check your filter about once a year in normal usage.
http://www.knfilters.com/faq.htm
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Old 06-09-2007, 06:55 PM   #6
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I just did mine today. It was 225k when it went on and 1 yr later it is 283K. The bottom half that points toward the ground was dirty, but you could still see light. The top half looked brand new. Mine is exposed to the elements, so I think it did alright. But I will say, after putting it back on clean, I could tell the difference.
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Old 06-10-2007, 01:53 AM   #7
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Mine hit 10k and 2 years on my summer car just a few weeks back, so I cleaned it then.

I figure 10k is a decent amount of mileage, especially with how seldom I drive it.
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Old 06-10-2007, 12:36 PM   #8
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I think when I used to run K&N'* before I switched to the Amsoil dry filter, I'd clean it every 10K or so, being that the SSEi was a summer can and all. God I hated doing that....Great way to keep a car down for an hour or two..
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Old 06-10-2007, 01:01 PM   #9
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No bias there.

I don't recall ever hearing about anyone complaining about the time it takes to clean one. And with K&N'* reputation, and my many years of using them, I feel it'* time well-spent. This is why you keep your old filter or airbox.
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Old 06-10-2007, 02:33 PM   #10
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Quote:
Originally Posted by willwren
No bias there.

I don't recall ever hearing about anyone complaining about the time it takes to clean one. And with K&N'* reputation, and my many years of using them, I feel it'* time well-spent. This is why you keep your old filter or airbox.
I thought about getting another one while I was waiting for mine, then I just had another beer and the thought went away
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