Subaru 2002 IMPREZA Service Manual page 2414

POWER ASSISTED SYSTEM (POWER STEERING)
6) If leak is other than a, b, c, or d, and if oil is leak-
ing from the gearbox, move the right and left boots
toward tie-rod end side, respectively, with the gear-
box mounted to the vehicle, and remove oil from
the surrounding portions. Then, turn the steering
wheel from lock to lock thirty to forty times with the
engine running, then make comparison of the
leaked portion immediately after and several hours
after this operation.
(1) Leakage from "e"
The cylinder seal is damaged. Replace the rack
bush with a new one.
(2) Leakage from "f"
There are two possible causes. Take the follow-
ing step first. Remove the pipe assembly B from
the valve housing, and close the circuit with ST.
ST 926420000 PLUG
Turn the steering wheel from lock to lock thirty to
forty times with the engine running, then make
comparison of the leaked portion between im-
mediately after and several hours after this op-
eration.
CAUTION:
• If leakage from "f" is noted again:
The oil seal of pinion and valve assembly is
damaged. Replace the pinion and valve assem-
bly with a new one. Or replace the oil seal and
parts that are damaged during disassembly
with new ones.
• If oil stops leaking from "f":
The oil seal of rack housing is damaged. Re-
place the oil seal and the parts that are dam-
aged during disassembly with new ones.
F: ADJUSTMENT
1) Adjust the front toe.
Standard of front toe:
IN 3 — OUT 1 mm (IN 0.12 — OUT 0.039 in)
(1) Lock nut
STEERING GEARBOX [LHD MODEL]
S4M0386A
PS-52
2) Adjust the steering angle of wheels.
Standard of steering angle:
TURBO, 2.5 L and
Model
OUTBACK
34°30' ± 1.5°
Inner wheel
30°20' ± 1.5°
Outer wheel
3) If the steering wheel spokes are not horizontal
when wheels are set in the straight ahead position,
and error is more than 5° on the periphery of steer-
ing wheel, correctly re-install the steering wheel.
4) If the steering wheel spokes are not horizontal
with vehicle set in the straight ahead position after
this adjustment, correct it by turning the right and
left tie-rods in same direction by same turns.
Others
37°20' ± 1.5°
32°25' ± 1.5°
S4M0188A
G4M0135