User Manual - Page 337

For 2003 IMPREZA TS SPORT WAGON.

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IMPREZA(NA) A1850BE-A (ENGLISH)
Maintenance and service
11-14
New API Certification Mark (Starburst Mark)
In choosing an oil, you want the proper quality and
viscosity, as well as one that will add to fuel econo-
my. The following table lists the recommended vis-
cosities and applicable temperatures.
When adding oil, different brands may be used to-
gether as long as they are the same API classifica-
tion and SAE viscosity as those recommended by
SUBARU.
SAE viscosity number and applicable temperature
*) 5W-30 is preferred.
Engine oil viscosity (thickness) affects fuel economy.
Oils of lower viscosity provide better fuel economy.
However, in hot weather, oil of higher viscosity is re-
quired to properly lubricate the engine.
CAUTION
Use only engine oil with the recommended
grade and viscosity.
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