Recommended grade and viscosity

Use only engine oil with the recommended grade and viscosity.

Use only engine oil with the recommended grade and viscosity.

Refer to “Engine oil”.

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.

    See also:

    State emission testing (U.S. only)
    At state inspection time, remember to tell your inspection or service station in advance not to place your SUBARU AWD vehicle on a two-wheel dynamometer. Otherwise, serious transmission damage will r ...

    2010 Subaru Legacy review
    The 2010 Subaru Legacy's redesign has been long overdue. Its sophisticated new look is sleek, but as Mom always says it's what's on the inside that counts. The sedan's redesign added nearly 4 inch ...

    Determining compatibility of tire and vehicle load capacities
    The sum of four tires’ maximum load ratings must exceed the maximum loaded vehicle weight (“GVWR”). In addition, sum of the maximum load ratings of two front tires and of two rear tires must excee ...