2003 Subaru Forester Owner's Manual - Page 357
2003 Subaru Forester Manual
Page 357 highlights
Maintenance and service er. ! Recommended grade and viscosity 3 1 Each oil manufacturer has its own base oils and additives. Never use different brands together. Oil grade: API classification GL-5 2 HSB043BB -30 -20 -10 -20 0 20 0 40 10 60 20 30 80 90 40 100 1) Filler hole 2) Drain hole 3) Oil level Remove the plug from the filler hole and check the oil level. The oil level should be kept even with the bottom of the filler hole. If the oil level is below the bottom edge of the hole, add oil through the filler hole to raise the level. 85W 80W 75W/90 HSB036BA If the vehicle requires frequent refilling, there may be an oil leak. If you suspect a problem, have the vehicle checked at your SUBARU deal11-28 SAE viscosity No. and Applicable Temperature
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