Just cut open a few Purolators I had lying around the garage after reading about all of the pleat separation that has been happening lately. I still have about 10 more to cut open that I hope to get to when I have a bit more time.
I do not remember exactly how many miles these filters had on them, but it would definitely be somewhere between 3,000-5,000.
The first filter I cut open was a Purolator Classic L14006 that was from a 1999 Pontiac Grand Am SE (2.4L 4-cylinder).
Summary: Torn on both sides of one pleat closest to the metal seam. The rest of the pleats looked fine. There was almost no oil inside the filter, which leads me to believe the ADBV may not have been functioning correctly.
Next is a Purolator PureONE PL14612 from a 1999 Kia Sephia.
Summary: Pleats near metal seam looked stressed, but not torn. Plenty of oil left inside filter: ADBV was most likely working properly.
I do not remember exactly how many miles these filters had on them, but it would definitely be somewhere between 3,000-5,000.
The first filter I cut open was a Purolator Classic L14006 that was from a 1999 Pontiac Grand Am SE (2.4L 4-cylinder).
Summary: Torn on both sides of one pleat closest to the metal seam. The rest of the pleats looked fine. There was almost no oil inside the filter, which leads me to believe the ADBV may not have been functioning correctly.
Next is a Purolator PureONE PL14612 from a 1999 Kia Sephia.
Summary: Pleats near metal seam looked stressed, but not torn. Plenty of oil left inside filter: ADBV was most likely working properly.