Subaru IMPREZA 2002 Service Manual page 507

OIL PUMP
POWER ASSISTED SYSTEM (POWER STEERING)
7) Install the following parts to casing.
ST007E
(1) O-ring
(2) Pressure plate
(3) Rotor
(4) Vane
(5)
Cam ring
(6) Straight pin
(7) O-ring
NOTE:
Install the rotor with the mark facing the rear case
side.
(1) Mark
(2) Rear
8) Using 8-mm box wrench, tap the retaining
into the shaft groove.
ST004L
ring
9) Install the O-ring to the rear cover.
10) Install the rear cover.
Tightening torque:
CAUTION:
Loosely tighten the bolts in the sequence (A),
(B), (C), and (D) shown in figure. Then, tighten
27.5 N.m (2.8 kgf-m, 20.3 ff-lb)
in the same sequence.
I
\ I
ST0046
1 1) When the reassembly procedures have been
completed, turn the shaft by hand to ensure it turns
smoothly. If it binds or other unusual conditions are
evident, disassemble again and check for foreign
matter trapped on sliding surfaces and improper in-
stallation. Eliminate the cause of trouble.
12) Check followings by referring to "CHECK arti-
cle.
Excessive play in pulley shaft
Ditch deflection of pulley
Resistance to rotation of pulley
Measurement of generated oil pressure
PS-65