Subaru Impreza 2002 Service Manual page 3142

2. TURBO MODEL
1) Reassembly precautions
(1) Whenever O-rings, oil seals, and snap rings
are removed, they must be replaced with new
ones.
(2) Thoroughly wash parts and allow to dry.
They must be kept free from cleaning oil and
dust.
(3) Reassembly procedure must be performed
in clean place. Ensure the parts are kept away
from waste threads or other dust particles.
(4) Cleaning oil tends to stay inside the front
casing. Remove it completely by blowing com-
pressed air.
(5) Ensure the parts are free from rust. (Use
specified hydraulic oil for rust prevention after
cleaning and drying.)
(6) Reverse the sequence of disassembly pro-
cedures.
2) Apply grease to the oil seal and inner surface of
front casing (at bearing location).
CAUTION:
Make sure that the front body internal surfaces
are free from damage.
3) Attach the ST to front body. Using a press, install
oil seal.
ST 34199AE030 INSTALLER
4) Install the pump pulley to front body.
5) Using the ST, place oil pump in a vise.
ST 34199AE020 MOUNT
6) Remove the rear cover.
OIL PUMP
POWER ASSISTED SYSTEM (POWER STEERING)
7) Install following parts to casing.
NOTE:
Install the rotor with the mark facing the rear case
side.
B4M1667A
8) Using the 8-mm box wrench, tap retaining ring
into shaft groove.
9) Install the O-ring to rear cover.
PS-99
(C)
(B)
(A)
(A) O-ring
(B) Pressure plate
(C) Rotor
(D) Vane
(E) Cam ring
(F) Straight pin
(G) O-ring
(2)
(1) Mark
(2) Rear
(G)
(F)
(E)
(D)
ST0057
(1)
ST0080
ST0044