Subaru Impreza 2003 Service Manual page 369

ENGINE OIL FILTER
LUBRICATION
7. Engine Oil Filter
A: REMOVAL
1) Lift up the vehicle.
2) Remove the under cover.
3) Remove the oil filter with ST.
ST 498547000 OIL FILTER WRENCH
LU-00194
B: INSTALLATION
1) Get a new oil filter and apply a thin coat of engine
oil to the seal rubber.
2) Install the oil filter by turning it by hand, being
careful not to damage seal rubber.
3) Tighten more (approx. 2/3 to 3/4 turn) after the
seal rubber contacts the oil pump case. Do not
tighten excessively, or oil may leak.
C: INSPECTION
1) After installing the oil filter, run the engine and
make sure no oil is leaking around seal rubber.
NOTE:
The filter element and filter case are permanently
jointed; therefore, interior cleaning is not neces-
sary.
2) Check the engine oil level. <Ref. to LU(H4SO)-8,
INSPECTION, Engine Oil.>
LU(H4SO)-19