Subaru 2004 IMPREZA Service Manual page 8

POWER ASSISTED SYSTEM (POWER STEERING)
15) Insert the ST from valve side and press back-
up ring and oil seal out.
ST 927580000 REMOVER
16) Using the ST1 and ST2, repair the cylinder's
clinched sections.
ST1 34099FA080 PUNCH
ST2 34099FA070 BASE
(1) Cylinder
Steering Gearbox [RHD MODEL]
PS-00065
PS-00066
PS-52
17) If the cylinder edge is deformed in a convex
shape, repair using an oil stone.
18) Remove the oil seal using ST and press from
plug.
ST 34199AE100 PLUG OIL SEAL REMOVER
NOTE:
Do not apply force on the plug edge surface.
(1) Oil seal
(2) O-ring
19) Set the ST on drawing dimension.
ST 34199AE120 GEARBOX OIL SEAL RE-
MOVER
(1) 70 mm (2.76 in)
PS-00067
PS-00068
PS-00069