Subaru Legacy BN/BS (2015-2019) Owners Manual: 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 filter changing intervals shown in the Warranty and Maintenance booklet. NOTE Synthetic oil of the grade and viscosity noted in chapter 12 is the recommended engine oil for optimum engine performance. Conventional oil may be used if synthetic oil is unavailable. |
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 visco ...
Cooling system
WARNING
Never attempt to remove the radiator
cap until the engine has been
shut off and has cooled down
completely. Since the coolant is
under pressure, you may suffer
serious ...
Other materials:
Installation
1. CYLINDER HEAD RH1. Clean the bolt holes in the cylinder block RH.CAUTION:To avoid erroneous tightening of the bolts, clean out the bolt holes sufficiently by blowing with compressed air to eliminate engine coolant etc.2. Apply liquid gasket to both sides of the cylinder head gasket RH as shown in ...
