Recommended Grade And Viscosity - Subaru 1998 Legacy Owner's Manual

filter's rubber seal.
14. Run the engine until it reaches the normal operating temperature.
Then stop the engine and wait a few minutes to allow the oil drain back.
Check the oil level again and if necessary, add more engine oil.
J Recommended grade and viscosity
CAUTION
Use only engine oil with the recommended grade and viscosity.
Oil grade: API classification SJ or SH with the words "ENERGY
CONSERVING II" (if you cannot obtain the oil with SJ
or SH grade, you may use SG grade oil.) or the new
API mark certification mark (Starbrust mark) displayed
on the container.
API Service label
1
2
3
1
Indicates the oil quality by API designations
2
Indicates the SAE oil viscosity grade
3
Indicates that the oil has fuel saving capabilities
In choosing an oil, you want the proper quality and viscosity, as well as
one that will add to fuel economy. The following table lists the recom-
mended viscosities and applicable temperatures.
When adding oil, different brands may be used together as long as they
are the same API classification and SAE viscosity as those recom-
mended by SUBARU.
Engine oil viscosity (thickness) affects fuel economy. Oils of lower vis-
10-10
New API Certification Mark
(Starbrust Mark)