Subaru IMPREZA 2002 Service Manual page 506

OIL PUMP
POWER ASSISTED SYSTEM (POWER STEERING)
17) Set the O-ring, with grease applied to it, onto
the connector and secure connector to the front
casing.
CAUTION:
Use care to prevent damage to O-ring at in-
stallation.
When tightening the connector, ensure that
the O-ring does not protrude or get caught.
Tightening torque:
49 N-m (5.0 kgf-m, 36.2 ft-lb)
ST0092
(1) Flow control spring
(2) Spool valve assembly
(3) O-ring
(4) Connector
18) Fix the oil pump pulley temporarily.
19) When the reassembly procedures have been
completed, turn the shaft by hand to ensure it turns
smoothly. If it binds or other unusual conditions are
evident, disassemble again and check for foreign
matter trapped on sliding surfaces and improper in-
stallation. Eliminate the cause of trouble.
20) Check followings by referring to "CHECK arti-
cle.
Excessive play in pulley shaft
Ditch deflection of pulley
Resistance to rotation of pulley
Measurement of generated oil pressure
2. TURBO MODEL
1) Reassembly precautions
(1) Whenever the O-rings, oil seals, and snap
rings are removed, they must be replaced with
new ones.
(2) Thoroughly wash the parts and allow to dry.
They must be kept free from cleaning oil and
dust.
(3) Reassembly procedure must be performed
in clean place. Ensure that the parts are kept
away from the waste threads or other dust parti-
cles.
(4) Cleaning oil tends to stay inside the front
casing. Remove it completely by blowing com-
pressed air.
(5) Ensure that the parts are free from rust.
(Use specified hydraulic oil for rust prevention
after cleaning and drying.)
(6) Reverse the sequence of disassembly pro-
cedures.
2) Apply grease to the oil seal and inner surface of
front casing (at bearing location).
CAUTION:
Make sure that the front body internal surfaces
are free from damage.
3) Attach ST to front body. Using a press, install the
oil seal.
ST 341 99AE030 INSTALLER
4) Install the pump pulley to front body.
5) Using ST, place the oil pump in a vise.
ST 34199AE020 MOUNT
6) Remove the rear cover.
PS-64