Subaru 2002 IMPREZA Service Manual page 378

LUBRICATION
C: DISASSEMBLY
Remove the screws which secure oil pump cover
and disassemble oil pump. Inscribe alignment
marks on the inner and outer rotors so that they can
be replaced in their original positions during reas-
sembly.
CAUTION:
Before removing the relief valve, loosen the
plug when removing oil pump from cylinder
block.
(A) Oil seal
(B) Pump case
(C) Inner rotor
(D) Outer rotor
(E) Pump cover
(F) Relief valve
(G) Relief valve spring
(H) Plug
(I) Gasket
OIL PUMP
D: ASSEMBLY
1) Install the front oil seal by using ST.
ST 499587100
NOTE:
Use a new oil seal.
2) Apply a coat of engine oil to the inner and outer
rotors.
3) Install the inner and outer rotors in their original
positions.
4) Install the oil relief valve and relief valve spring
and plug.
NOTE:
Use a new gasket.
5) Install the oil pump cover.
Tightening torque:
T1: 5 N·m (0.5 kgf-m, 3.6 ft-lb)
T2: 44 N·m (4.5 kgf-m, 32.5 ft-lb)
S2M0735A
LU-14
OIL SEAL INSTALLER
S2M0235A
S2M0735B