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Oil filter life #4117605 06/07/16 10:12 AM
Joined: Aug 2012
Posts: 2
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Axle Offline OP
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Joined: Aug 2012
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Long time listener, first time caller. Jumping right in. I am curious how to tell where a filter is at in it's useful life. I change oil on a few semi trucks as well as my own person pickup and I noticed when I pull the filters off these trucks that have been sitting for a while, the filter is only partially full. We buy quality Donaldson filters so I wouldn't think the ADBV would be the culprit. Also they are all vertical mount with the o-ring to the sky. I'm wondering if this is an indication of where they are at in their service life.


2004 Dodge Ram 2500 5.9l Cummins-Valv Premium Blue 5w-40 Donaldson DBL7349
Re: Oil filter life [Re: Axle] #4117629 06/07/16 10:47 AM
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901Memphis Offline
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Without an expensive test you really are left guessing. Best bet is to check the oem intervals. You can dissect the filters and check for high levels of contamination which is usually not a great sign.


2012 Chevy Cruze LT 1.4T - 62k - Edge 0w30 SL + Mahle OX401D
2002 Buick Century 147k - Built 4T65e(Maxlife) - GTX 5w30 + Fram XG3980
Re: Oil filter life [Re: Axle] #4117648 06/07/16 11:13 AM
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gfh77665 Offline
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Typically, the ones who post pictures of dissected oil filters end up with comments like "looks great" and "could have gone much longer". By this anecdotal evidence, I have gone to changing the filter every other oil change. It seems like filters have a much greater lifespan than most are given credit for. In fact, as the filter loads some, it even gets better (higher efficiency).

Re: Oil filter life [Re: Axle] #4117709 06/07/16 12:18 PM
Joined: Feb 2011
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LeakySeals Offline
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Where are the filters located in the vehicles... and what angle


06 Escalade 6.0L LQ9 AWD 167k M1 0w40
03 Maxima 3.5L POS 170k ST HM 10w30
05 Malibu Classic 2.2 111k M1 5w30
Re: Oil filter life [Re: Axle] #4117739 06/07/16 01:12 PM
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Donald Offline
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Polaris tests oil filter in addition to oil analysis. If the filter is clogged with fine particles it will not be easy to tell if the filter is cut open. If the engine was super sludged and you dumped in some decent cleaning motor oil, then the filter would have sludge and/or grit in it, easy to see.

I would change the filter when oil is changed or when its reached its useful life as indicated by the filter manufacturer.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Oil filter life [Re: Axle] #4117757 06/07/16 01:48 PM
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CT8 Offline
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The oil leaks/siphons out through the crank bearings.

Re: Oil filter life [Re: Axle] #4117759 06/07/16 01:49 PM
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Farmer Offline
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On our dodge trucks, it's a full flow filter. With no drain back valve. It's never full when you take them off.

Re: Oil filter life [Re: Axle] #4118067 06/07/16 10:09 PM
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Axle Offline OP
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Can the same be said in regards to the filters on a Detroit 60 series? These filters on the big trucks are located on the passenger side of the block, straight vertical with the o-ring facing upward. I was just informed earlier today that EcoPure recommends a 25k mi interval for any full flow filter used in conjunction with their OPS system(which is what we have on two of our trucks currently).

With regular sampling would it eventually show a spike in soot and insoluble levels as the filters begin to "load up"?


2004 Dodge Ram 2500 5.9l Cummins-Valv Premium Blue 5w-40 Donaldson DBL7349
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