Subaru Impreza 2002 Service Manual page 3150

11.Power Steering Fluid
A: SPECIFICATION
Recommended power steering fluid
DEXRON III or equivalent
B: INSPECTION
1) Check the power steering fluid for deterioration
or contamination. If the fluid is highly deteriorated
or contaminated, drain it and refill with new fluid.
2) Check the joints and units for oil leakage. If any
oil leaks are found, repair or replace the applicable
part.
3) Inspect the fluid level on flat and level surface
with engine "OFF" by indicator of reservoir tank.
If the level is at lower point or below, add fluid to
keep the level in the specified range of the indica-
tor. If at upper point or above, drain fluid by using a
syringe or the like.
(1) Check at temperature 20°C (68°F) on the
reservoir surface of oil pump; read the fluid level
on the "COLD" side.
(2) Check at temperature 80°C (176°F) on the
reservoir surface of oil pump; read the fluid level
on the "HOT" side.
POWER STEERING FLUID
C: INSTALLATION
1) Set the ST on top of reservoir tank and fill it
about half way with the specified fluid.
ST 34199AE040 OIL CHARGE
Manufacturer
B.P.
CALTEX
CASTROL
MOBIL
SHELL
TEXACO
2) Continue to turn the steering wheel slowly from
lock to lock until bubbles stop appearing in the tank
while keeping the fluid at that level.
3) In case the 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.
4) Start the engine and let it idle.
5) Continue to turn the 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.
6) In case the bubbles do not stop appearing in the
tank, leave it about half an hour and then do the
step 5) all over again.
7) Stop the engine, and then take out the safety
stands after jacking up vehicle again.
Then lower the vehicle, and then idle the engine.
8) Continue to turn the steering wheel from lock to
lock until bubbles stop appearing and change of the
fluid level is within 3 mm (0.12 in).
9) In case the following happens, leave it about half
an hour and then do step 8) again.
B4M1674A
PS-107
POWER ASSISTED SYSTEM (POWER STEERING)
(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.
B4M1673A