d14vd_h Posted February 5, 2018 Posted February 5, 2018 Hi guys, I have a 2015 Impreza GP model, FB16 engine. This was a relatively low mileage car until my ownership At 20k miles it went in for its service and it was discovered it required a warranty repair for a known oil leak. There was no evidence of the leak so I assume it was piston seals and then burned up. Im at 28.5k now and i got a flash of the engine oil level warning light for the first couple of miles on a very cold morning, and it went off for the duration of my 60 mile round trip with a 4 hour stop in the middle. I tried various places along my route to pick up the recommended 0/20w but nowhere had it . I checked the dipstick at various points through the day/ evening but I find it hard to get a clear reading on the Subaru sticks, however I would if pushed say that it was a the lower level (bottom hole). Any googling on the issue brings up a ton of stuff on Subaru North America reducing service/change intervals on these vehicles to 6000 miles because of oil burning issues, and about law suits involving short blocks and piston ring recalls etc. The most concise advice i found was http://mdhmotors.com/subaru-oil-consumption-problem-repair/ https://oppositelock.kinja.com/subaru-tsb-for-excessive-oil-consumption-1600566355 When I got home i checked through my receipts to find dates etc and noticed that the main dealer had used 5/30w on my last oil change. I called the dealer to query a) if they thought I should have used this much oil b) when they were expecting the car for its next service - July 2018 or 36,000 miles. c) why they had used 5/30 not 0/20 as specified in manual/ filler cap. They weren't sure if my oil use represented a deeper problem so have booked the car in to be checked next week. And they said that the manufacturer (Subaru) had told them to use 5/30w despite the specs on the car itself. I called another dealers service dept and they said if the car says 0/20w then thats what they use and that 5/30 is the bulk use oil and that 0/20 needs ordered in on tins so it might have been laziness at other dealer. I understand the 0 and 5 to relate to operating temps and wonder if perhaps 0/20 had been in there at cold morning start i would have saw the low level indicator. Interested in your guys thoughts on this and how I should pursue things with Subaru. I'm happy the dealer is checking it despite me not having much confidence in them, im also considering requesting a full oil change and specifying it must be 0/20w even if its at my cost. D
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