Subaru Impreza 2002 Service Manual page 3137

POWER ASSISTED SYSTEM (POWER STEERING)
C: DISASSEMBLY
1. NON-TURBO MODEL
1) Remove the nut and detach oil pump pulley.
2) Remove the stay from oil pump.
3) Remove the four bolts which secure rear cover.
(1) Rear cover
4) Using a screwdriver, pry the retaining ring off.
(2)
(1) Retaining ring
(2) Screwdriver
5) Extract the shaft from front casing.
OIL PUMP
ST0088
(1)
ST0089
PS-94
6) Remove the following parts from front casing.
CAUTION:
Discard old seal washer; replace with a new
one.
(A) O-ring
(B) Straight pin (2 ea.)
(C) Cam ring
(D) Rotor
(E) Vane (10 ea.)
(F) Pressure plate
(G) O-ring (2 ea.)
7) Pry off the oil seal using a screwdriver.
CAUTION:
Be careful not to scratch the inner surface of
casing.
(1)
(1) Oil seal
(2) Screwdriver
8) Remove the pressure switch.
H4M1230B
(2)
ST0091