Subaru IMPREZA 2002 Service Manual page 272

OIL PUMP
LUBRICATION
6) Install the oil pump
Tightening torque:
6.4 N-m (0.65 kgf-m, 4.7 ff-lb)
S2M0740A
C: DISASSEMBLY
Remove the screws which secure oil pump cover
and then disassemble oil pump. Inscribe alignment
marks on inner and outer rotors so that they can be
replaced in their original positions during reassem-
bly.
CAUTION:
Before removing the relief valve, loosen plug
when removing the oil pump from cylinder
block.
S2M0735A
(A) Oil seal
(B) Pumpcase
(C) Inner rotor
(D) Outer rotor
(E) Pump cover
(F) Relief valve
(G) Relief valve spring
(H) Plug
(I) Washer
LU-14