Subaru 2002 IMPREZA Service Manual page 2454

POWER ASSISTED SYSTEM (POWER STEERING)
3) Interconnect the pipe C and suction hose.
Tightening torque:
Joint nut
39 N·m (4.0 kgf-m, 28.9 ft-lb)
CAUTION:
If a hose is twisted at this step, the hose may
come into contact with some other parts.
(1) Suction hose
(2) Pipe C
4) Connect the connector to power steering pump
switch.
5) Install the pulley belt to oil pump.
6) Tighten the oil pump pulley nut to the specified
torque.
Tightening torque:
52 N·m (5.3 kgf-m, 38 ft-lb)
7) Check the pulley belt tension.
<Ref. to ME-45, INSPECTION, V-belt.>
8) Tighten the bolt belt tension.
Tightening torque:
8 (0.8 kgf-m, 5.8 ft-lb)
9) Install the pulley belt cover.
10) Connect the battery ground cable to battery.
11) Feed the specified power steering fluid. <Ref.
to PS-107, Power Steering Fluid.>
CAUTION:
Never start the engine before feeding the fluid;
otherwise vane pump might be seized up.
OIL PUMP
2. TURBO MODEL
1) Install the oil pump to bracket.
(1) Place the oil pump bracket in a vise. Tighten
the bushing using a 12.7 mm (1/2") type 14- and
21-mm box wrench until it is in contact with the
oil pump mounting surface.
CAUTION:
Do not place the oil pump bracket directly in the
vise; use soft pads and hold oil pump lightly to
protect the pump.
ST0015
PS-92
(1) Bush
(2) Nut
(3) 21 mm
(4) 14 mm
(5) Bolt
B4M1670B