Subaru IMPREZA 2002 Service Manual page 284

ENGINE OIL COOLER
LUBRICATION
B: INSTALLATION
1) Install in the reverse order of removal.
Tightening torque:
CAUTION:
Always use a new O-ring.
T: 54 N-m (5.5 kgf-m, 39.8 ft-lb)
C: INSPECTION
1) Check that coolant passages are not clogged us-
ing an air blow method.
2) Check the mating surfaces of cylinder block, 0-
ring groove and oil filter for damage.
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G2M0784
LU-26