Subaru Legacy BN/BS (2015-2019) Owners Manual: Recommended grade and viscosity

Subaru Legacy BN/BS (2015-2019) Owners Manual / Maintenance and service / Engine oil / Recommended grade and viscosity

CAUTION Use only engine oil with the recommended grade and viscosity.

Refer to "Engine oil" F12-4.

NOTE Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity provide better fuel economy. However, in hot weather, oil of higher viscosity is required to properly lubricate the engine.

Changing the oil and oil filter

Change the oil and oil filter according to the maintenance schedule in the "Warranty and Maintenance Booklet". NOTE Changing the engine oil and oil filter should be performed by a well- ...

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 s ...

Other materials:

Inspection
1. Check that the manifold absolute pressure sensor has no deformation, cracks or other damages.2. Connect dry-cell battery positive terminal to terminal No. 3 and dry-cell battery ground terminal to terminal No. 1, circuit tester positive terminal to terminal No. 2 and the circuit tester ground ter ...