Subaru Legacy 2003 Service Manual page 3414

D: INSTALLATION
1) Set ST on top of reservoir tank and fill it about
half way with the specified fluid.
ST 34199AE040 OIL CHARGE GUIDE
2) Jack-up vehicle and support it with safety
stands, then turn steering wheel with engine
stopped.
3) Continue to turn steering wheel slowly from lock
to lock until bubbles stop appearing in the tank
while keeping the fluid at that level.
4) 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.
5) Start and idle the engine.
6) 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.
7) 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.
8) Stop the engine, and take out safety stands after
jacking up vehicle again.
Then lower the vehicle, and idle the engine.
9) Continue to turn steering wheel from lock to lock
until bubbles stop appearing and change of the flu-
id level is within 3 mm (0.12 in).
10) 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.
POWER STEERING FLUID
11) Check the fluid leakage at flare nuts after turn-
ing steering wheel from lock to lock with engine
running.
CAUTION:
• Before checking, wipe off any fluid on flare
nuts and piping.
• In case the fluid leaks from flare nut, it is
ST
caused by dust (or the like) and/or damage be-
tween flare and tapered seat in piping.
• Remove the flare nut and tighten again it to
the specified torque after cleaning flare and ta-
pered seat. If flare or tapered seat is damaged,
replace with a new one.
12) Install jack-up plate.
PS-00160
13) Install under cover.
PS-93
POWER ASSISTED SYSTEM (POWER STEERING)