Subaru 2005 Legacy 2.5 GT Limited Logo

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Mary Greenough Posted on Aug 31, 2016
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My subaru legacy started smoking from rear and from turbo. it hasnt had a oil change in a while. could flushing the engine oil, and changing oil fix the problem??

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Bill Boyd

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  • Subaru Master 53,816 Answers
  • Posted on Aug 31, 2016
Bill Boyd
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Only flush using normal engine oil as flushing oil is not good for the engine
If you want to flush it out , the best oil to use is diesel oil 20w-40 as the detergents in that oil will clean out the engine
change the oil filter and then change it again in 2,000 miles , then again as the oil will remove sludge that will be caught in the filter
change the filter one last time , depending on the oil color on the dip stick
as for the smoke at the end and the turbo, that could be from a failing turbo seal allowing oil into the exhaust side
Have it checked out at a specialist turbo repair shop

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2005 Legacy 2.5 GT Limited

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I have a 1990 2.2 subaru legacy it is either burning oil or losing it somewhere but no puddles head gaskets seem to be fine doesn't overheat and no water in the oil blows smoke on startup

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