Browse Publications Technical Papers 2007-01-1431
2007-04-16

Investigating Cleaning Procedures for OEM Engine Air Intake Filters 2007-01-1431

Most new passenger vehicles on the road today are equipped with a disposable OEM engine intake filter made of cellulose paper or synthetic non-woven media. Engine intake filters have an expected and recommended service life (by OEMs) of approximately 45K to 75K kilometers under normal driving conditions [ref. 2, 3, 4 & 5]. Majority of air filter element manufacturers do not recommend any type of cleaning to be performed on their OEM products. However, cleaning OEM and aftermarket air filters is common for end-customers in areas such as Asia, Middle East and South America. Vehicle owners in some regions would like to service and clean their own air filter elements in an effort to reduce vehicle operating costs. As a result, a number of OEMs selling passenger vehicles in these regions are requesting their suppliers explore solutions and the effects of whether cleaning air filter elements is appropriate for proper engine operation. In contrast a number of heavy duty and motorcycle air filter manufacturers do include a recommended cleaning schedule and procedure to maintain optimal operating performance. On the other hand, filter cleaning is more popular in the aftermarket industry. This paper is devoted to OEM designs and requirements and aftermarket performance is not elaborated.

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