Subaru 2004 IMPREZA Service Manual page 6

POWER ASSISTED SYSTEM (POWER STEERING)
6) Tighten the adjusting screw until it no longer
tightens.
(1) Adjusting screw
7) Using a wrench (32 mm (1.26 in) width across
flats) or adjustable wrench with cinching boot, re-
move the tie-rod.
(1) Tie-rod
8) Loosen the adjusting screw, and then remove
the spring and sleeve.
9) Disconnect the pipes A and B from steering body
and control valve housing.
(1) Pipe A
(2) Pipe B
Steering Gearbox [RHD MODEL]
PS-00057
PS-00058
PS-00059
PS-50
10) Clean the dirt of input shaft. Remove the dust
cover taking care not to scratch the housing or in-
put shaft and allow foreign matter to enter gear box
interior.
(1) Dust cover
11) Align the ST pin to plug hole to install. Rotate
the ST counterclockwise to remove plug.
ST 34199AE090 PLUG WRENCH
(1) Plug
PS-00060
PS-00061