The 2009 Subaru Legacy came factory standard with A4-speed automatic transmission but the higher level trims are going to come equipped with A5-speed automatic transmission. Both models are going to need to run on Dexron ViAutomatic transmission fluid. This is a very common type so You should have no issue finding it at Your local store. The fluid capacity for the 4 speed model is going to be 9.8 US quarts for a full fill up. If You have the 5 speed then it's going to be slightly larger at just under 11 US quarts.
Santos D
July 16, 2020
The 2009 subaru legacy takes atf type f automatic transmission fluid.
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