K&N filter problem
Thread Starter
Instructor
Joined: Jan 2007
Posts: 194
Likes: 3
From: The Mitten
K&N filter problem
I was informed recently about a possible problem with the K&N filter systems. It seems that the oil used on the filter can get into & cause problems in the induction system. Has anyone heard about this possible problem.
K&N says there is no problem.....
K&N says there is no problem.....
Drifting
Joined: Jun 2005
Posts: 1,837
Likes: 4
If way too much oil is used when re-oiling the filter after cleaning it can get on the itty-bitty wires in the MAF and cause them to read incorrectly, causing a code. They are a real pain to clean, too.
Not a problem as long as the proper amount of oil is used (it doesn't take much).
Not a problem as long as the proper amount of oil is used (it doesn't take much).
Race Director
Joined: Jun 2004
Posts: 19,459
Likes: 48
From: Schaumburg IL
CI 7-8-9-11 Veteran
St. Jude Donor '06-'10, '13
If way too much oil is used when re-oiling the filter after cleaning it can get on the itty-bitty wires in the MAF and cause them to read incorrectly, causing a code. They are a real pain to clean, too.
Not a problem as long as the proper amount of oil is used (it doesn't take much).
Not a problem as long as the proper amount of oil is used (it doesn't take much).
a lot of people seem to think you need to get the filter dripping wet with oil
= yes you will have a problem.
Safety Car
Joined: Jun 1999
Posts: 3,570
Likes: 3
From: Austin, Singapore, Kuala Lumpur, Houston, Dallas, Hong Kong, Elgin, etc.. Texas
Yes. Too much oil and not waiting long enough for the oil to soak in are known issues. Some forum members even reported too much oil on filters from the factory.
Safety Car
Joined: Feb 2007
Posts: 4,939
Likes: 448
From: CHOCOWINITY NC
Yup.....I've built and sold over 1000 K&N based Airbox systems for Audi's and VW's which also use a MAF based metering system. Never an issue until an owner gets a little exuberant with re-oiling at the first cleaning..
Team Owner
Joined: Jun 2005
Posts: 46,295
Likes: 2,596
From: Northern, VA
St. Jude Donor '15
"In honor of jpee"
As a matter of fact, straight out of the box, a brand new K&N filter LOOKS like it's over-oiled in my opinion. It MAY NOT be, but it sure looks close to "dripping" to me.
Simple solution is to let it sit out a bit in a non-dusty, direct sun on some newspapers. I do that (or used to when I had them) as a part of my shaking out/washing/drying/re-oiling/drying process for these filters. Worked great; never had a problem with about a dozen or so of them over 20 years. Mine looked dryyyyyyy.....
Simple solution is to let it sit out a bit in a non-dusty, direct sun on some newspapers. I do that (or used to when I had them) as a part of my shaking out/washing/drying/re-oiling/drying process for these filters. Worked great; never had a problem with about a dozen or so of them over 20 years. Mine looked dryyyyyyy.....
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