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Plugged Oil Filter #4531126
10/01/17 11:34 AM
10/01/17 11:34 AM
Joined: Sep 2005
Posts: 5,920
MIchigan
Warstud Offline OP
Warstud  Offline OP
Joined: Sep 2005
Posts: 5,920
MIchigan
Can you tell if the oil filter is plugged when you drain the oil out of it. I've noticed that sometimes when draining the filter all the oil will drain out immediately. Then other times it requires placing the filter up-right (hole on top) for 10 minutes or so then flipping it over and getting more oil out of it. Thoughts.

Re: Plugged Oil Filter [Re: Warstud] #4531148
10/01/17 11:52 AM
10/01/17 11:52 AM
Joined: Sep 2013
Posts: 10,693
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,693
Indiana
If I suspected a filter to be plugged, I'd cut it open.

Sometimes they hold oil and sometimes they drain. I don't think there's a real explanation aside from a misbehaving ADBV.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Plugged Oil Filter [Re: Warstud] #4531161
10/01/17 12:04 PM
10/01/17 12:04 PM
Joined: Jan 2009
Posts: 6,530
New England
gathermewool Online content
gathermewool  Online Content
Joined: Jan 2009
Posts: 6,530
New England
It's more than likely hydro-locked due to the ADBV.

I would never even suspect a filter of being clogged in any vehicle that is moderately maintained. If it was plugged, I'd imagine there would be symptoms while it was in operation.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
Re: Plugged Oil Filter [Re: Warstud] #4531184
10/01/17 12:33 PM
10/01/17 12:33 PM
Joined: Oct 2002
Posts: 22,168
Colorado Springs
Drew99GT Offline
Drew99GT  Offline
Joined: Oct 2002
Posts: 22,168
Colorado Springs
Definitely the ADBV. If it won't drain, jam something sharp through the inlet holes and puncture/push open the ADBV. That will usually fill the center tube with oil so it can be drained. If anything, it's a good sign when no oil comes out of a used filter until you jam open the ADBV because it means it seals good.

Re: Plugged Oil Filter [Re: Drew99GT] #4531218
10/01/17 01:15 PM
10/01/17 01:15 PM
Joined: Jan 2009
Posts: 6,530
New England
gathermewool Online content
gathermewool  Online Content
Joined: Jan 2009
Posts: 6,530
New England
Originally Posted By: Drew99GT
Definitely the ADBV. If it won't drain, jam something sharp through the inlet holes and puncture/push open the ADBV. That will usually fill the center tube with oil so it can be drained. If anything, it's a good sign when no oil comes out of a used filter until you jam open the ADBV because it means it seals good.


It's the reason I can remove my Subaru's top-mounted, base-down filter without making any mess. Makes me feel good when I see that a "used-up" filter has a good-working ADBV.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
Re: Plugged Oil Filter [Re: gathermewool] #4531229
10/01/17 01:33 PM
10/01/17 01:33 PM
Joined: Jul 2010
Posts: 19,312
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 19,312
PNW
Originally Posted By: gathermewool
Originally Posted By: Drew99GT
Definitely the ADBV. If it won't drain, jam something sharp through the inlet holes and puncture/push open the ADBV. That will usually fill the center tube with oil so it can be drained. If anything, it's a good sign when no oil comes out of a used filter until you jam open the ADBV because it means it seals good.


It's the reason I can remove my Subaru's top-mounted, base-down filter without making any mess. Makes me feel good when I see that a "used-up" filter has a good-working ADBV.

Can or can't? So the filter is empty when you remove it?

My Tacoma has the filter mounted vertically with base down. If I don't punch a hole in the dome end to drain it, it'll puke oil upon removal.

Re: Plugged Oil Filter [Re: Warstud] #4531231
10/01/17 01:41 PM
10/01/17 01:41 PM
Joined: Sep 2014
Posts: 2,180
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,180
US-WA
I had a pretty well plugged WIX filter (PSI drop on OP gauge), and the oil stayed inside until I cut the can.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 103K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 21K VR1 20w50, NG1515
14 RX450h 35k PP MIX, NG7047
Re: Plugged Oil Filter [Re: ZeeOSix] #4531236
10/01/17 01:57 PM
10/01/17 01:57 PM
Joined: Jan 2009
Posts: 6,530
New England
gathermewool Online content
gathermewool  Online Content
Joined: Jan 2009
Posts: 6,530
New England
Originally Posted By: ZeeOSix
Originally Posted By: gathermewool
Originally Posted By: Drew99GT
Definitely the ADBV. If it won't drain, jam something sharp through the inlet holes and puncture/push open the ADBV. That will usually fill the center tube with oil so it can be drained. If anything, it's a good sign when no oil comes out of a used filter until you jam open the ADBV because it means it seals good.


It's the reason I can remove my Subaru's top-mounted, base-down filter without making any mess. Makes me feel good when I see that a "used-up" filter has a good-working ADBV.

Can or can't? So the filter is empty when you remove it?

My Tacoma has the filter mounted vertically with base down. If I don't punch a hole in the dome end to drain it, it'll puke oil upon removal.


Can - am able to. There is some that will drain as you remove the filter, but it is contained, by design. The filter itself doesn't leak much upon removal. The filter is heavy with oil when I put in on my drain pan. When I check however long after (weeks, usually), it feels much lighter and emptier. The filter isn't really even close to perfectly hydro-locked, so it will drain eventually.

https://www.youtube.com/watch?v=uvn-w8zW-lE

Last edited by gathermewool; 10/01/17 02:03 PM.

'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
Re: Plugged Oil Filter [Re: Dyusik] #4531257
10/01/17 02:24 PM
10/01/17 02:24 PM
Joined: Jul 2010
Posts: 19,312
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 19,312
PNW
Originally Posted By: Dyusik
I had a pretty well plugged WIX filter (PSI drop on OP gauge), and the oil stayed inside until I cut the can.

From your other thread:
"No tears, not a thing to report other than I over loaded it. The large grit can be seen everywhere, and the cold oil pressure is now 78psi vs 60-65 @ 3K rpm."

Example of only seeing a filter restriction when the oil pressure sensor is after the filter and the PD oil pump was in pressure relief due to cold thick oil.

Once the oil got fully hot and thinned down you wouldn't be able to tell unless the filter was near 100% clogged.


Re: Plugged Oil Filter [Re: Warstud] #4531287
10/01/17 02:59 PM
10/01/17 02:59 PM
Joined: May 2016
Posts: 720
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline
Joined: May 2016
Posts: 720
Canada


A truly plugged filter means you have super dirty oil that should drain out with lumps,
check your oil drain pan for lots of debris, if none, the chance of a plugged filter is 1 in 10 million!

A freshly removed filter will be heavy with oil in the saturated media, even w/o a ADBV! or a 'fully drained' filter.

Re: Plugged Oil Filter [Re: i_hate_autofraud] #4531314
10/01/17 03:22 PM
10/01/17 03:22 PM
Joined: Jan 2009
Posts: 6,530
New England
gathermewool Online content
gathermewool  Online Content
Joined: Jan 2009
Posts: 6,530
New England
Originally Posted By: i_hate_autofraud

A freshly removed filter will be heavy with oil in the saturated media, even w/o a ADBV! or a 'fully drained' filter.


Not sure if this was in response to my post, but, as others have mentioned, the way to quickly drain a recently removed filter with an ADBV is to stick a screw or something into it and then set it somewhere to drain. The media will remain saturated and heavy for a long time, but not as heavy as a filter that is full of oil.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter (64,774 miles)
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter (40,803 miles)
Re: Plugged Oil Filter [Re: Warstud] #4531608
10/01/17 08:40 PM
10/01/17 08:40 PM
Joined: Jan 2015
Posts: 206
Wa
Skanky Offline
Skanky  Offline
Joined: Jan 2015
Posts: 206
Wa
I just want to add everyone doing own OC should be draining the filter well before pitching it if you don't have a recycle option. I use a deck screw in the ADBV hole to push the elastomer valve open and leave it in tilted with the screw on the lowest side in the oil drain funnel until it is empty usually leave it a few weeks.


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