Subaru Legacy BN/BS (2015-2019) Service Manual: Center differential note

Transfer case

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Extension case note

For removal, installation and inspection, refer to “CVT (TR580)” or “CVT (TR690)” section.CVT (TR580) model: Extension CaseCVT (TR690) model: Extension Case ...

Other materials:

Synthetic oil
You should use synthetic engine oil that meets the same requirements given for conventional engine oil. When using synthetic oil, you must use oil of the same classification, viscosity and grade shown in this Owner's Manual. Refer to "Engine oil" F12-4. Also, you must follow the oil and filte ...