Subaru 2002 IMPREZA Service Manual page 2465

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-109, Inspection.>
• 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 a cotton cloth waste at a place where fluid
drops before the pressure gauge is installed.
Wipe off split fluid thoroughly after the mea-
surement.
NOTE:
Keep the engine idling during measurement.
1) REGULAR PRESSURE MEASUREMENT
(1) Connect the ST1, ST2 and ST3.
ST1 92511000 PRESSURE GAUGE
ST2 34099AC020 ADAPTER HOSE B
ST3 34099AC010 ADAPTER HOSE A
(2) Remove the air intake duct.
(3) Disconnect the pipe C from the pump.
(4) Using the gasket (Part No. 34621AC021)
and bolt (Part No. 34620AC010), install the ST2
to the pump instead of pipe C.
• Non-turbo MODEL
(1) Bolt A
(2) Pipe C
(3) Pipe D
OIL PUMP
POWER ASSISTED SYSTEM (POWER STEERING)
• Turbo MODEL
(5) Disconnect the pipe C from pipe (on gear-
box side).
(6) Install the ST3 to pipe C.
(7) Replenish power steering fluid up to the
specified level.
(8) Open the valve, and start the engine.
(9) Measure the regular pressure.
ST1 925711000
ST2 34099AC020 ADAPTER HOSE B
ST0011
ST3 34099AC010 ADAPTER HOSE A
Service limit:
981 kPa (10 kg/cm
PS-103
(1) Pipe C
(2) Pipe D
(1) Pipe C
(2) Pipe D
PRESSURE GAUGE
2
, 142 psi) or less
ST0012
S4M0382A
B4M1675A