2011+ Excessive Oil Consumption? (ARCHIVED) - Subaru Forester Owners Forum
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post #1 of 3816 (permalink) Old 06-20-2011, 12:10 PM Thread Starter
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2011+ Excessive Oil Consumption? (ARCHIVED)

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). /

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. 1/0(you're changing it why add)

Total consumption = 2qtsMake up = qt

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 qt / 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.


Last edited by flstffxe; 12-26-2012 at 05:42 AM. Reason: Added oil consumption layout to first post
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post #2 of 3816 (permalink) Old 06-20-2011, 12:12 PM
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No, my 2011 with 3,000 miles has not burned any oil. I'm also in hot Florida.

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post #3 of 3816 (permalink) Old 06-20-2011, 12:17 PM
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That is not acceptable. Either the oil is too thin, the rings were not broken in properly, or something is broken.

Stan

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post #4 of 3816 (permalink) Old 06-20-2011, 12:33 PM
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My guess? Either some one "demo'ed" your car off the lot before you came along and bought it........OR...it was defective from the factory with a broken ring as Stan says.....

I've seen potential buyers take a car out to "test", then they choose to order a car or wait for one in a specific color...leaving the demo as a badly broken-in "new" car that the dealer then tries to see to the next customer........like, maybe, you(?). Not saying that the dealer is being dishonest, all they care about, in general, is moving the cars off the lot.

Complain, this is NOT right. My 03X with 134K mile uses about 1/3 of a quart every 4000 miles.......and I broke my Forrie in very carefully.

Steve

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post #5 of 3816 (permalink) Old 06-20-2011, 01:02 PM
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1200 miles per quart is not acceptable.

1000 miles/quart is a holdover from 60/70 years ago and became a convenient tool to keep new owners from annoying dealers because of their defective cars.

Be careful what you wish for.
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post #6 of 3816 (permalink) Old 06-20-2011, 03:28 PM
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Start a case with SOA, 1800-SUBARU-3

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post #7 of 3816 (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 #8 of 3816 (permalink) Old 06-20-2011, 04:57 PM
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Quote:
Originally Posted by midfield View Post
I am observing something similar, using app. 1 liter/quart every 4000km/2500 miles. .
Welcome to the board. Good luck with the issue.

Be careful what you wish for.
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post #9 of 3816 (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 #10 of 3816 (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 #11 of 3816 (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 #12 of 3816 (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 #13 of 3816 (permalink) Old 06-27-2011, 09:03 AM
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you also have the first year of a new engine.... have to think about that too. I would look in your owner's manual and see if it's acceptable to run 5w20 or 5w-30 in your climate/temperature range. I HATE zero weight. that means that at 212*f, your engine oil has the same viscosity as EFFING WATER!!! 5w-20 has 5x the viscosity of water at 212*f which is still rather thin, without effecting the cold weight, which is 20x viscosity of water at 32*f.

also, my 1990 ej22 legacy with 188k on it uses 1 quart 10w-30 every 1500 miles. truly unacceptable from a brand new forester. call Subaru of America

1998 Forester S (Wife's)
1990 Legacy S/W (My DD)

Last edited by Ricearu; 06-27-2011 at 09:09 AM.
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post #14 of 3816 (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 #15 of 3816 (permalink) Old 06-27-2011, 01:07 PM
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Quote:
Originally Posted by Ricearu View Post
you also have the first year of a new engine.... have to think about that too. I would look in your owner's manual and see if it's acceptable to run 5w20 or 5w-30 in your climate/temperature range. I HATE zero weight. that means that at 212*f, your engine oil has the same viscosity as EFFING WATER!!! 5w-20 has 5x the viscosity of water at 212*f which is still rather thin, without effecting the cold weight, which is 20x viscosity of water at 32*f.

also, my 1990 ej22 legacy with 188k on it uses 1 quart 10w-30 every 1500 miles. truly unacceptable from a brand new forester. call Subaru of America
Sorry, but you don't quite understand the oil ratings. 0w20 and 5w20 will have near identical viscosity at operating temperature, the difference comes at 'cold' temperatures. At 'cold' temperatures, the 0w20 will be less viscous (less thick) then the 5w20, and thus will flow better and reach operating viscosity sooner then the 5w20.

For a good explation of oil rating and characteristics, read through this: Motor Oil 101

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