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Old 01-03-2015, 06:30 PM   #15
neg_matnik
Scooby Specialist
 
Member#: 132389
Join Date: Nov 2006
Chapter/Region: BAIC
Location: SF Bay Area
Vehicle:
2006 WRX Wagon SGM
2003 SV1000S, 2014 DL650

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Quote:
Originally Posted by Annihilator817 View Post
I'm sorry but you, and the average driver, don't understand the car industry or car maintenance.

This is why my forester has a factory 7 quart oil sump on a motor that only requires 4 quarts. Because of people like you that don't check and top off their oil.

You should absolutely expect to have to top off the oil on a brand new car between oil changes. Internal combustion engines burn oil, period.

Up to a quart every 3000 miles is the acceptable legal limit for new cars in the US, iirc.
It's all good except that Subaru has acknowledged an issue with oil control rings on some FB20/FB25 engines. There's a TSB out about it.
So, in some instances, for some FB20/FB25 engines out there, Subaru recognizes that there's indeed *excessive* oil consumption.

EDIT:
I only found the TSB for the FB25; so, maybe the FB20 does not have this oil control piston rings issue.
Ultimately, since the FB20 has a low oil level sensor in the sump, people that do not regularly check oil level are getting an advanced warning.
On Crosstrek/Impreza, the "low oil level" light comes on when sump is around a quart low; plenty of time to correct the issue.
But, the FB25 does *not* have an oil level sensor in the sump (that's at least true all the way to MY2014; not sure about MY2015 Forester/Legacy/Outback).
In any case, here's the TSB for FB25 (from AWD auto, an independent Subie shop in the Seattle area):
- http://allwheeldriveauto.com/subaru-...use-explained/
- http://allwheeldriveauto.com/wp-cont...02-143-13R.pdf
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Last edited by neg_matnik; 01-03-2015 at 06:47 PM.
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