Daskuppler Posted January 29, 2018 Share Posted January 29, 2018 Hello All, I bought our 14 Forester 2.5i about a year ago. When it was time for an oil change, I drained the Subaru fluid and put in Mobil1 0w20. About 3000 miles later, the low oil light came on. In past Subarus, I've experienced problems with consumption ruining Mobil1 but never like this. The oil was not low after 6k on the Subaru oil. I can assume the consumption is related to switching brands but I was curious if anyone else had similar experiences. What brands are working well? 0w20 seems really light, is anyone rubbing 0w30 or even 5w30? Cheers 3 Quote Link to comment Share on other sites More sharing options...
Numbchux Posted January 29, 2018 Share Posted January 29, 2018 I definitely know people who have switched to 5w30 syn to reduce consumption. A 2014 should be outside the problem range for that engine, but it might be worth consulting your local dealership to have it tested and see if you might be eligible for a free shortblock. Quote Link to comment Share on other sites More sharing options...
Daskuppler Posted January 29, 2018 Author Share Posted January 29, 2018 I'm not familiar with known engine issues, do you habe now information or a link to the problems? Quote Link to comment Share on other sites More sharing options...
idosubaru Posted January 29, 2018 Share Posted January 29, 2018 0w20 seems really light, is anyone rubbing 0w30 or even 5w30? yes. do it. Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted January 30, 2018 Share Posted January 30, 2018 You need to replace the rings. There was a class action suit on these. The early FB engines had faulty piston rings. The dealers just swap the short block. GD Quote Link to comment Share on other sites More sharing options...
Mike104 Posted January 30, 2018 Share Posted January 30, 2018 The short and sweet version above by GD. Here is the long version https://subaru.oemdtc.com/80/engine-oil-consumption-2013-2015-subaru/4 Quote Link to comment Share on other sites More sharing options...
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