Subaru Legacy 2003 Service Manual page 3409

POWER ASSISTED SYSTEM (POWER STEERING)
3. HYDRAULIC PRESSURE
CAUTION:
• Be sure to complete all items aforementioned
in "INSPECTION", prior to measuring hydraulic
pressure. Otherwise, pressure can not be mea-
sured correctly. <Ref. to PS-94, INSPECTION,
General Diagnostic Table.>
• Do not leave the valve of pressure gauge
closed or hold the steering wheel at stop end
for 5 seconds or more in any case, as the oil
pump may be damaged due to long keep of
these conditions.
• Put cotton cloth waste at a place where fluid
drops before pressure gauge is installed. Wipe
off split fluid thoroughly after the measure-
ment.
NOTE:
Keep engine idling during the measurement.
1) REGULAR PRESSURE MEASUREMENT
(1) Connect ST1, ST2 and ST3.
ST1 92511000 PRESSURE GAUGE
ST2 34099AC020 ADAPTER HOSE B
ST3 34099AC010 ADAPTER HOSE A
(2) Disconnect pressure hose from the pump.
(3) Using gasket (Part No. 34621AC021) and
bolt (Part No. 34620AC010), instal ST2 to the
pump instead of pressure hose.
Except 3.0 L and Turbo model:
(1) Suction hose
(2) Pressure hose
OIL PUMP
( 1 )
ST1 925711000
( 2 )
ST2 34099AC020 ADAPTER HOSE B
PS-00225
ST3 34099AC010 ADAPTER HOSE A
Service limit:
PS-88
3.0 L and Turbo model:
( 1 )
( 2 )
(1) Suction hose
(2) Pressure hose
(4) Disconnect pipe C form pipe (on gearbox
side).
(5) Install ST3 to pipe C.
( 1 )
(1) Pipe C
(2) Pipe D
(6) Replenish power steering fluid up to speci-
fied level.
(7) Open valve, and start the engine.
(8) Measure regular pressure.
PRESSURE GAUGE
ST3
ST2
2
981 kPa (10 kg/cm
PS-00228
( 2 )
PS-00205
ST1
Open
PS-00152
, 142 psi) or less