Quote:
Originally Posted by Perfectlap
not sure if this is possible for you, but do you think you could ballpark the % of filters you've removed vs the number that had these issues?
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We look carefully at all removed filters, regardless of brand or style for both for debris types (if any) as well as the integrity of the filter itself as part of regular service; and we note this in the car’s service records. As part of that process, we catch the ones that are not intact. At one time, we were seeing failures in the 5% range on average, but it also has moved higher and lower at different time intervals. We were also seeing about one center opening tear for every three bonding failures. What I do not have data for is how big the end cap tear was or how much of the end cap bonding line failed, as we did not record that information.
While some might see this failure rate as “small”, what concerned us is that we have yet to see similar problems with filters that do not use this end cap material and bonding process. And you also have to ask yourself if you would be comfortable with at least part of your oil not being filtered some of the time until your next oil change. Knowing how sensitive these engines can be to circulating debris, we looked for a replacement that gave our customers better odds.