Subaru Impreza 2003 Service Manual page 1635

D: ASSEMBLY
1. OIL PUMP COVER
1) Install oil pump rotor assembly to oil pump hous-
ing.
(A)
(A) Inner rotor
(B) Outer rotor
2) Align both pivots with the pivot holes of the cov-
er, and install the oil pump cover being careful not
to apply undue force to the pivots.
Tightening torque:
25 N·m (2.5 kgf-m, 18.1 ft-lb)
(A)
(A) Oil pump cover
(B) Oil pump housing
3) After assembling, turn the oil pump shaft to
check for smooth rotation of the rotor.
OIL PUMP HOUSING
4) Install the oil seal retainer and new seal rings.
After adjusting the drive pinion backlash and tooth
contact. <Ref. to 4AT-105, ADJUSTMENT, Oil
Pump Housing.>
(B)
AT-00191
2. OIL SEAL RETAINER
1) Install two new oil seals to the oil seal retainer in
proper position using ST.
(B)
AT-00190
2) Install a new O-ring to the oil seal retainer using
vaseline. Install the seal to oil pump housing bore.
4AT-103
AUTOMATIC TRANSMISSION
(A)
(A) Seal rings
(A)
(A) Oil seal
(B) Oil seal retainer
(A)
(A) O-ring
AT-00189
(B)
AT-00185
AT-00186