How to make filters bright again?

by Przemysław Wiśniewski in 912 / 914 Technical Questions 8 years ago

I have two old very dirty filter. They are black.. I'm trying with K&N chemistry and I'm getting them more clean but still far away from this what should to be.

If there is any trick to clean them more efficient? Maybe bath in something else than K&N stuff?

Re: How to make filters bright again?

by Roger Lee » 8 years ago

Roger Lee

128 5.28k 4.98k

Don't put K&N air filters in any fuel or solvents.
Use either their own brand of cleaner or some other biodegradable cleaner like Oil Eater or Simple Green in some warm to hot water. I really like Oil Eater. It is water based, won't hurt your glass windshield, cleans oil and dirt in an instant without rubbing. I also use it to clean my epoxy hangar floor.. After they dry do not over saturate the filters with oil.

"Oil Eater" comes in spray bottles up to 5 gallon buckets. I buy the 5 gal.
Try it, you'll like it.

https://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=oil+eater

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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How to make filters bright again?

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