Subaru Legacy: 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 required 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.
NOTE
Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity
provide better fuel economy. However, in ...
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 burns from a spray ...
See also:
Brake hoses and lines
Visually check for proper installation, chafing, cracks, deterioration and any
leakage. Replace any deteriorated or damaged parts immediately. ...
Fuel information
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher. Use
of unleaded gasoline with an octane rating lower than 87 may result
in engi ...
Passenger Compartment Air Filter
The filter removes dust, pollen, and
other airborne irritants from outside
air that is pulled into the vehicle.
The filter should be replaced as part
of routine scheduled maintenance.
See Main ...
