Subaru 2004 Impreza - Manual (Page 400)

11-15
Maintenance and service
– CONTINUED –
Non-turbo models
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 lower
crank case/oil cooler (For Turbo) and install the oil fil-
ter by hand turning. Be careful not to twist or damage
the seal.
10.Tighten it approximately two-thirds of a turn after
the seal makes contact with the lower crank case/oil
cooler (For Turbo).
Never over tighten the oil filter because that can
result in an oil leak.
11.Reinstall under cover (For Turbo).
12.Pour engine oil through the filler neck.
Oil capacity (guideline):
Non-turbo models:
4.2 US qt (4.0 liters, 3.5 Imp qt)
Turbo models:
4.8 US qt (4.5 liters, 4.0 Imp qt)
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 con-
firm that the level is correct.
13.Start the engine and make sure that no oil leaks ap-
pear around the filter’s rubber seal and drain plug.
14.Run the engine until it reaches the normal operat-
ing temperature. Then stop the engine and wait a few
minutes to allow the oil drain back. Check the oil level
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