2005 Subaru Impreza Owner's Manual - Page 396

Maintenance and service Oil filter color Black White Part number 15208AA080 15208AA09A Amount of rotation 1 rotation 2/3 - 3/4 rotation Never over tighten the oil filter because that can result in an oil leak. UGB057EA Non-turbo models 11.Reinstall under cover (for Turbo). 12.Pour engine oil through the filler neck. Oil capacity (guideline): 4.2 US qt (4.0 liters, 3.5 Imp qt) 7. Remove the oil filter with an oil filter wrench. 8. Before installing a new oil filter, apply a thin coat of engine oil to the seal. 9. Clean the rubber seal seating area of the bottom of engine and install the oil filter by hand turning. Be careful not to twist or damage the seal. 10.Tighten the oil filter by the amount indicated in the following table after the seal makes contact with the bottom of engine. The oil quantity indicated above is only guideline. The necessary quantity of oil depends on the quantity of oil that has been drained. The quantity of drained oil differs slightly depending on the temperature of the oil and the time the oil is left flowing out. After refilling the engine with oil, therefore, you must the dipstick to confirm that the level is correct. 13.Start the engine and make sure that no oil leaks appear around the filter's rubber seal and drain plug. - CONTINUED - 11-15