2011+ FB25 oil consumption usage data and updates (split thread) - Subaru Forester Owners Forum
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post #1 of 939 (permalink) Old 06-20-2011, 12:10 PM Thread Starter
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2011+ FB25 oil consumption usage data and updates (split thread)

Please use this format when reporting oil consumption.


Quote:
Originally Posted by flstffxe View Post

How is the consumption from?:

1. 0 miles to 1,875 miles.

2. 1,875 miles to 3,750(severe service interval).

Then for those continuing on and doing the normal service interval.

3. 3,750 miles to 5,625 miles.

4. 5,625 miles to 7,500 miles.

I don't mean total accumulated consumption at those points either, just consumption from point to point with a notation for make up oil amounts.

So it would look some thing like this:


Oil brand, Mobil 1 Oil type, Advanced Fuel Economy(AFE) Weight, 0w20
Consumption amount/make up amount added

1. 0 miles to 1,875 miles. 0/0

2. 1,875 miles to 3,750(severe service interval). ¼/¼

Then for those continuing on and doing the normal service interval.

3. 3,750 miles to 5,625 miles. ½/½

4. 5,625 miles to 7,500 miles. /0(you're changing it why add)

Total consumption = 2¼qtsMake up = ¾qt

I say this way because following some of the forums I am seeing some members average it out to a linear consumption rate when it is not. They are using nothing or little from oil change to 3,750 but between 3,750 and 7,500 they may have added 2qts and are reporting they are seeing consumption of around ¼qt / 1,000 miles.

To me seeing a non- linear consumption rate like that would seem to be a likely indicator that the oil is contaminated, additives are breaking down, volatility is going up... and no longer able to do its job and one should think about shortening their OCI on that particular oil and with those driving conditions to maybe 5,625.

Following a layout like this allows every one to see the oil brand, type, weight being used and when the consumption is occurring.




2011 is burning a lot of oil (Premium- non turbo). It's going into the dealer but he told me the owners manual states that 1 quart every 1, 200 is "acceptable." Are they trying to cover themselves by putting it in print? I didn't even get the manual until after purchase. I think it is burning more than that but even 1 quart every 1, 200 under light driving conditions (no excessive weight and no towing) is clearly not acceptable. Why should a brand new engine, now with about 10k on the clock be burning about a quart a month- minimum. So according to their math, if I can go 7k between oil changes, I will have had to add about 7-9 quarts or oil before I even do my oil change? This makes no sense and gets costly fast since it requires full synthetic 0w20. I can only imagine this issue will get worse as the engine gets older too. This is not what I expected from a new vehicle. You buy a new vehicle to avoid these issues. I have another 10 year old vehicle (not a subaru) that has never burned a drop.

Has anyone else in here been burning this much oil- about 1 quart or more every few week- or about every 1, 000. What can I do to address this with Subaru directly if the dealer tells me it is within the acceptable range. Have there been any recalls on the '11's to address this issue? I was not told about this issue prior to buying the vehicle. I don't even think it's good for the environment to be putting a quart of oil into the air every few weeks. Many cars can go 5-7k without burning a drop of oil. Is it just this Forester or are all the 2011's with the new motor burning at such a high rate.

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post #2 of 939 (permalink) Old 06-20-2011, 03:28 PM
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post #3 of 939 (permalink) Old 06-20-2011, 04:45 PM
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I am observing something similar, using app. 1 liter/quart every 4000km/2500 miles.
2011 NA Touring Package purchased in Canada in March.
Changed the oil at 5000km, it was low than but I did not check the level when I purchased the car (changed the oil at the same dealer).
My next trip to the dealership will be interesting.
Thanks for any comments/suggestions.
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post #4 of 939 (permalink) Old 06-20-2011, 07:19 PM
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My 2011 NA used about 700ml (0.75 quarts) during break in, up to about 3500kms (2190mi). Even this seems like a lot to me. I am keeping an eye on things to see how it progresses. I wonder if there is something unique about the 2011 engine and the recommended oil viscosity that might make oil consumption more prevalent.
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post #5 of 939 (permalink) Old 06-20-2011, 07:47 PM
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I had to add about .7 Qt to my 2011 Limited after about 1500 or 2000 miles. Then i had it serviced at 3000 and it was ok. Holding steady at I think 4500 now.
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post #6 of 939 (permalink) Old 06-20-2011, 09:08 PM
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Did my first oil change at 1,034 miles, I'm now at ~3,800 miles. No oil used, always reads full.

James
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post #7 of 939 (permalink) Old 06-23-2011, 05:03 PM
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I did my first service at 7,000 Km. No problem with the oil though I have a big problem with start up noise.
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post #8 of 939 (permalink) Old 06-27-2011, 11:46 AM
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At 3 months and 5700 km my oil level is still at the full mark for my 2.5X. I do mostly city driving during the week and 200+ km highway on the weekends.

I was in at the dealer for wheel balancing last week and asked if I should change the oil now and they said no and to come back at 8000 km. I also asked about oil for topping up if needed and they said use 0W 20 synthetic as specified in the owners manual.

2011 Forester 2.5X 4EAT Dark Gray
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post #9 of 939 (permalink) Old 08-04-2011, 02:26 PM
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My 2011 forester premium manual uses about 1 quart of oil every 4,000 miles. It now has 10.5k miles and it continues to consume oil at that rate, even after 2 oil changes in the meantime. When I brought this up to the dealer, they responded that they wanted to monitor the oil loss/use ... themselves(!) although it was obvious in between oil changes. To me, even 1 quart every 4,000 miles in UNACCEPTABLE! My other car, a 1995 850 turbo sedan volvo has been in my hands for 17 years and 210k miles, and it uses NO OIL! In fact, all my previous cars (that were European) never used any oil. This is my first Japanese car. We will see.
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post #10 of 939 (permalink) Old 09-11-2011, 04:07 AM
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2011 Suburu Forester X 2.5 Premium-Oil Consumption

Hi,
I would like to chime in and comment on this 2011 Forester oil consumption issue. From the start, Nov 2010, when I bought mine, I have had various rates of consumption to the point it had actually stopped between approx 9000 and 11,600 miles.Now, the oil consumption/burn rate is 1 qt in the past 1775 miles. The dealer's response on my 2nd oil change at 7500 miles was to do an oil consumption test with him where I would bring the car back to the dealer and check the level every 1000 miles and document it. That worked well up to the oil change at 10,313 miles when it stopped. I was left with the impression that this new Suburu engine this year took that long to "break-in" with this 0W20 "water like" oil. Now they are telling me that Suburu's criteria for excessive consumption is 1 qt/1000 miles which I find unacceptable and flat out wrong. That would mean for a 3500 mile interval between oil changes, that would equate to 3.5 qts consumed from a crankcase capacity of 5.5 qts! Ridiculous!
I plan on contacting Suburu America and file a complaint or claim or whatever it takes to get them to fix this!
Any other thoughts, comments and what to do next from any one else out there in this forum?
Phil.
p.s. other than this problem, I really like this vehicle!

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post #11 of 939 (permalink) Old 09-19-2011, 04:53 AM
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Please keep us updated!

I just stumbled upon this thread, and it is of great interest to me. I just changed my oil last weekend at the 15k mark, and it wound up being down ~3 qts over the interval. In this case, it used roughly .4 qt per 1000 miles. For reference, the car had the first oil change around 1300 miles, followed by 3000 and 7500. I've owned many cars, some of them new. This consumption rate ranks among the highest I've owned. My wife's 2.5i uses less than .5 qt in 5k. STi and WRX were similar, so this really has me irked.

I'm keeping an eye on this and will contact my dealer if this trend continues. Aside from a defect, the only thing I can surmise is the break-in procedure. Although I broke it in like I do all of my new or rebuilt engines (per above - I've had a lot), the car was sourced from another dealer 3 hours away and driven to my dealer. I can only assume that the trip was on the highway with the cruise control.

My initial knee-jerk reaction - between the oil consumption, the noisy cam chain (let's not start this debate here though), and the various creaks and rattles it already has - is that my previous four Subarus were built better. Time will tell...

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post #12 of 939 (permalink) Old 09-20-2011, 10:27 AM
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Quote:
Originally Posted by AlleyCat View Post
Oh, that's somewhat better, I thought you were down three at the oil drain point. I try to get folks at work to check thier oil level at least 1x month but most all beleive a "newish" car shouldnt burn ANY oil. As far as MY past experience goes, Ive owned over 65 cars, and some eat oil and some do not. Ive found subarus typically to have moderate but acceptable consumption through a 5-6K. Our 2011 is doing OK for now. I think Subaru calls 1 litre per 1000miles excessive. Interseting to learn what may be the issue with your vehicle. As far as "xperts"on this board, I doubtif any will claim to be an expert but there are many seasoned professionals in related fields with extensive automotive experience in service and also component design. I ingest all they have to offer.
Understood. I typically check my oil consumption on new engines or rebuilds frequently early in it's life. The first oil change was barely down at ~1300 miles. Even so, it was hard for me to gauge how much it was truly down since new engines will inherently burn oil until the rings seat.

The next oil change at ~3000-3500 miles was done by Subaru when they did my timing drive update. If it was down, they didn't tell me. The 7500 mile oil change only had ~3500 miles on it, and was down approximately 0.5-1.0 throughout the interval. So as you can imagine, when I added the remaining 0.5 qt to top off at the midway point of the 7500-15000 interval, I was not expecting such a drastic drop towards the end. Assuming the same consumption rate, I was expecting another 0.5 qt...MAYBE 1...but not what it was. Had I had any knowledge of what was going on I would have kept the oil on the dipstick and called Suby.

My fuel economy hasn't changed much on average and the engine idles and runs normally. No issues yet.

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post #13 of 939 (permalink) Old 09-23-2011, 03:25 PM
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Late to this thread. My 11 Forester X manual is consuming about 1/2 qt every 600 miles or so. Regular oil changes (0/20 Mobil 1) at 3000 and 7500 with oil added between changes.

To check my oil level I wait about 5 minutes after the car has been shut off. Reading the dipstick is a challenge.

I'm curious about how quickly other people's oil color changes. My oil was pretty dark at 3k and 7500k. Makes me nervous about going the recommended miles between changes. This is the 1st of five Subaru's I've had that consume significant oil.

Overall, I have to say I'm pretty disappointed with the new Forester engine. Between the oil consumption and the very loud engine tapping noise I'm experiencing (really bad between 2000-2500 rpm) ... I'm coming to the conclusion that this will be my last Subaru.
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post #14 of 939 (permalink) Old 09-24-2011, 11:01 PM
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My wife's 11 Forester has consumed around 1 quart in the past 3,000 miles. Note that it started with 6 quarts of Mobil1 0W20 in the crankcase.
IMHO, I think Mobil 1 0W20 is not up to the task in this engine (I'll get an oil analysis done to confirm it).
I'll be trying one the following oil at the next oil change:
- Subaru's own 0W20
- Eneos 0W20
- Amsoil 0W20
- Redline 0W20

I know, all of these oils are costly and but it's not like Mobil 1 0W20 is cheap either.
Anyway, from the get-go, I had a feeling that Mobil 1 0W20 wouldn't withstand a 7,500 miles OCI.

2011 Forester 2.5X 4EAT Premium, Sky Blue
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post #15 of 939 (permalink) Old 09-29-2011, 12:05 AM
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Kinda wish I didn't click this thread... scary.

My '11 seems to use around 1/4 of a quart between changes, and I've been doing them in my garage every 4-5k miles. So far, that's fine with me, 10k miles on the car now...

2011 2.5X Premium, 5MT, Obsidian Black Pearl
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