Subaru Legacy 2002 Service Manual page 2296

10) Set ST on top of reservoir tank and fill it about
half way with the specified fluid.
ST 34199AE040 OIL CHARGE
11) Continue to turn steering wheel slowly from
lock to lock until bubbles stop appearing in the tank
while keeping the fluid at that level.
12) In case air is absorbed to deliver bubbles into
piping because the fluid level is lower, leave it
about half an hour and then do the step 2) all over
again.
13) Start, and idle the engine.
14) Continue to turn steering wheel slowly from
lock to lock again until bubbles stop appearing in
the tank while keeping the fluid at that level.
It is normal that bubbles stop appearing after three
times turning of steering wheel.
15) In case bubbles do not stop appearing in the
tank, leave it about half an hour and then do the
step 5) all over again.
16) Stop the engine, and take out safety stands
after jacking up vehicle again.
Then lower the vehicle, and idle the engine.
17) Continue to turn steering wheel from lock to
lock until bubbles stop appearing and change of
the fluid level is within 3 mm (0.12 in).
18) In case the following happens, leave it about
half an hour and then do step 8) again.
(1) The fluid level changes over 3 mm (0.12 in).
(2) Bubbles remain on the upper surface of the
fluid.
(3) Grinding noise is generated from oil pump.
19) Check the fluid leakage at flare nuts after turn-
ing steering wheel from lock to lock with engine
running.
CAUTION:
¼ Before checking, wipe off any fluid on flare
nuts and piping.
¼ In case the fluid leaks from flare nut, it is
caused by dust (or the like) and/or damage
between flare and tapered seat in piping.
¼ So remove the flare nut, tighten again it to
the specified torque after cleaning flare and
tapered seat. If flare or tapered seat is
damaged, replace it with a new one.
20) Install jack-up plate.
POWER STEERING FLUID
21) Install under cover.
B4M1673A
PS-87
Power Assisted System (Power Steering)