Subaru LEGACY 2006 Manual page 757

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LUBRICATION
C: DISASSEMBLY
Remove the screw which secures oil pump cover
and then 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 disassembling the oil pump, remove the
relief valve.
(C)
(B)
(A)
(A) Oil seal
(B) Oil pump case
(C) Inner rotor
(D) Outer rotor
(E) Oil pump cover
(F) Relief valve
(G) Relief valve spring
(H) Plug
(I) Gasket
Oil Pump
(E)
(D)
(I)
(F)
(G)
(H)
LU-00020
LU(H4SO)-12
D: ASSEMBLY
1) Assemble the front oil seal by using ST.
ST 499587100 OIL SEAL INSTALLER
NOTE:
Use a new oil seal.
ST
2) Apply a coat of engine oil to inner and outer ro-
tors.
3) Assemble the inner and outer rotors in their orig-
inal positions.
4) Assemble the oil relief valve and install relief
valve spring and plug.
NOTE:
Use a new gasket.
LU-00021