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Subaru 2.5 adbv effectiveness #5436503 05/23/20 07:45 AM
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TargaMonteSS Offline OP
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I have changed the oil 13 times on two 2013 Outbacks with the 2.5 l boxer with magnatec 0w20 at 5k miles, always consumes about 2 qts over that period. Using mostly ecogard 4615s, oems blue Subaru filters, tough guards, and 1 ultra guard. I remove the filter roughly 20-40 mins after a drive.

The only time the filter (top mounted upside down) was full of oil when removed was with the ultraguard. I had just bought the ultraguard because it was the only thing in stock. I have since gone back to using tough guards.

Does this mean the only adbv that worked was on the ultraguard?

Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436534 05/23/20 08:08 AM
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ARCOgraphite Offline
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My Subaru FB NEVER have oil in them when I do an OC.

Regardless of ADBV or not with the hot oil, air is going to seek that high place when the main gallery drains.

Bad idea mounting the filter ABOVE oil level.

Car has horrendous TC racket.


I do recall the car having less startup racket with the factory Tokyo Roki, But things were less gummed up when new.

Subaru has bee shooting them selves in the foot with garbage quality replacement parts for service items.
I was never able to get the factory quality ignition wires from service parts.

Subaru should sell the Roki as a premium replacement filter at least.

Mazda isn't this cheap.

To answer you question. Not really - same design adbv as the Toughguard. I bet it wouldn't hold oil overnight.

May have had something to do with the oil qualities or ambient temp or fuel dilution or even gumming.

Last edited by ARCOgraphite; 05/23/20 08:14 AM.

2019 VW Jetta S 6MT OCI#2 7378mi-MOTUL Specific VW508.00+VW Service Filter; '17 Subaru Crosstrek CVT OC#9 70254mi-Rotella
Gas Truck 5W20 + Fram Ultra 7317 Filter
Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436543 05/23/20 08:15 AM
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benjy Offline
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subies live on the AWD standard fare, after that everything is DOWNHILL, + the CVT being among the worse with mostly no alternatives, but they sell in the snow belts when 4 SNOW tyres on FWD will do as good or better as AWD has NOTHING to do with stopping better in slippy conditions

Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436558 05/23/20 08:26 AM
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Eddie Offline
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Interesting that Subaru have one of the most reliable vehicles on the market. Don't respond with minor stuff like gasket weeping. Ed


2014 CX5 Touring 2.5L :-)
Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436574 05/23/20 08:51 AM
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Rand Offline
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The subaru hater fan club has found this thread.


2019 Jeep Cherokee Trailhawk 2.0T
2020 Hyundai Elantra "Value Edition"
Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436583 05/23/20 09:05 AM
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TargaMonteSS Offline OP
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We have had great luck with ours even though it's the year that is known to burn oil, I bought a second one when the first was rear ended.

Takes me 10 mins to change oil. I love the oil filter design compared to my other vehicles. My pentastar has that bypass valve plastic piece that crumbles right above the opening to the engine it's already failed and the whole cooler housing is known to leak. My d series civic before that the filter was buried on the back of the block. I would always burn my arm on the exhause crammed underneath we the car

Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436584 05/23/20 09:07 AM
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SLO_Town Offline
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I'm 67 years old and life has been good to me. I've owned just shy of 30 cars, many of them bought new. Our 2001 Subaru Outback was one of the worst vehicles I've ever owned. Defective flywheel design caused horrible clutch chatter (recalled later, but Subaru never notified me even after the dealer already replaced the clutch twice), leaking head gaskets (the official "fix" was dealer installed radiator stop leak!), all four wheel bearings bad, and a myriad of rear tail light issues (weird corrosion on all contact points).

Not a hater. Instead, my car was junk.

Scott


03 BMW E46 330Ci ZSP (Euro Castrol 0W-30)
10 Honda Element SC (Castrol Magnatec 5W-30)
11 BMW E90 328i M-Sport (Pennzoil Euro 5W-40)
16 VW Passat VR6 3.6L SEL Premium (Euro Castrol 0W-40)
Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436590 05/23/20 09:20 AM
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doitmyself Offline
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Looks like you will have to go elsewhere to get a meaningful answer TargaMonteSS. Shame on you guys.

Re: Subaru 2.5 adbv effectiveness [Re: SLO_Town] #5436637 05/23/20 10:18 AM
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Pelican Offline
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Originally Posted by SLO_Town
I'm 67 years old and life has been good to me. I've owned just shy of 30 cars, many of them bought new. Our 2001 Subaru Outback was one of the worst vehicles I've ever owned. Defective flywheel design caused horrible clutch chatter (recalled later, but Subaru never notified me even after the dealer already replaced the clutch twice), leaking head gaskets (the official "fix" was dealer installed radiator stop leak!), all four wheel bearings bad, and a myriad of rear tail light issues (weird corrosion on all contact points).

Not a hater. Instead, my car was junk. Scott


I'm older than you smile have had about 15 vehicles and had a 2001 Outback, kept it for 17 yrs and sold it last year for $5,000 the only thing that I had was a bit of piston slap which was corrected under warranty. I guess like everything else it may be a bit of hit & miss, but above all it's the quality of the fluids and the frequency of maintenance that will keep your vehicle healthy.

Last edited by Pelican; 05/23/20 10:19 AM.
Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436672 05/23/20 11:14 AM
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Gebo Offline
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No, I don't think so. Just stock up on a case of Subaru OEM dealer filters so you will have some on hand when you need them.

Last edited by Gebo; 05/23/20 11:14 AM.

'98 LEX LS400 310K
'02 4Runner 250K
'05 Lex LS430 90K
'07 Lex GX470 75K

Shell Gas and Truck 5w-30
Amsoil OE 10w-30
Toyota ATF's and Coolant
Amsoil Gear Oil and Grease
Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436716 05/23/20 12:12 PM
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Farnsworth Offline
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Subarus are everywhere where I live, and I know a few people who have them and love them.

To the filter subject, the center hole to the bearings has no valve on it on this model, so the oil can flow out under gravity. There is some vacuum holding it. I guess if the bearings are tight the leakage is less or nil. I've had cars with angled down filters with low mileage and I would let the old drain out overnight to have no filter mess when taking it off. All drained out. The oil can still flow through the media and down the center or outlet hole.

Re: Subaru 2.5 adbv effectiveness [Re: TargaMonteSS] #5436764 05/23/20 01:36 PM
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sopususer Offline
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Try this. s. WIX 57055



Great experience with Wix on all my Subaru vehicles. I'll be the balance to the Subaru hater's club. Three of them at my house currently. Both of my sons as well as my wife drive Subaru. Owned too many over the years to count. Never any major issue. Reliable, easy on gas, awd, great safety design, great dealer support in my area. The wife won't own any other brand.

Last edited by sopususer; 05/23/20 01:37 PM.



Re: Subaru 2.5 adbv effectiveness [Re: ARCOgraphite] #5436786 05/23/20 02:40 PM
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ZeeOSix Offline
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Originally Posted by ARCOgraphite
My Subaru FB NEVER have oil in them when I do an OC.

Regardless of ADBV or not with the hot oil, air is going to seek that high place when the main gallery drains.

Bad idea mounting the filter ABOVE oil level.


I've had three vehicles with filters mounted on top of the engine, in a vertical base down configuration. All three puked oil when ever I removed the oil filter, so at least on those specific vehicles, a well sealing ADBV certainly did keep oil in the filter, even in that mounting configuration.

There may be some vehicles that leak down the oil from a top mounted filter because of other reasons beside a leaky ADBV.

That's when I discovered (many years ago with the RX-7) that punching a hole in the dome end while the oil was hot and letting it drain for 30 minutes while I go ready to change the oil cured the oil puking upon removal.

[Linked Image]


Re: Subaru 2.5 adbv effectiveness [Re: Farnsworth] #5436799 05/23/20 02:57 PM
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ZeeOSix Offline
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Originally Posted by Farnsworth
To the filter subject, the center hole to the bearings has no valve on it on this model, so the oil can flow out under gravity. There is some vacuum holding it. I guess if the bearings are tight the leakage is less or nil. I've had cars with angled down filters with low mileage and I would let the old drain out overnight to have no filter mess when taking it off. All drained out. The oil can still flow through the media and down the center or outlet hole.


Re: your comment in red. I did a test to see if oil would flow through the media in this old Oct 2010 thread (I'm sure you've seen it before), and the oil stayed between the media and can until I opened up the ADBV. So even if oil does flow out of the center hole and through the galleries to the bearings, the can will still be full of oil upon start-up is the ADBV is sealing well, which is better than nothing.

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/2042807/



Re: Subaru 2.5 adbv effectiveness [Re: ZeeOSix] #5436868 05/23/20 05:49 PM
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Farnsworth Offline
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Originally Posted by ZeeOSix
Originally Posted by Farnsworth
To the filter subject, the center hole to the bearings has no valve on it on this model, so the oil can flow out under gravity. There is some vacuum holding it. I guess if the bearings are tight the leakage is less or nil. I've had cars with angled down filters with low mileage and I would let the old drain out overnight to have no filter mess when taking it off. All drained out. The oil can still flow through the media and down the center or outlet hole.


Re: your comment in red. I did a test to see if oil would flow through the media in this old Oct 2010 thread (I'm sure you've seen it before), and the oil stayed between the media and can until I opened up the ADBV. So even if oil does flow out of the center hole and through the galleries to the bearings, the can will still be full of oil upon start-up is the ADBV is sealing well, which is better than nothing.

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/2042807/




We all know oil flows through the center hole to the clean side when prefilling a filter. I doubt if the media is a one way valve. I said can drain out, not has to, or always, but can, and my anecdotal experience says sometimes it did. Just like your anecdotal experiences tell you things.

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