Subaru 2002 Impreza Service Manual page 361

POWER STEERING SYSTEM
Power Assisted System (Power Steering)
2. TURBO MODEL
0
The reservoir tank is mounted on the vehicle body.
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The fluid pump is belt-driven by the engine. The fluid pump for the turbo models is different from
that for the non-turbo models in that it has additionally an energy-saving valve mechanism. This
valve mechanism reduces the rate of fluid recirculation during straight-ahead driving, which helps
reduce engine load.
I
I
NF0299
(1)
Reservoir tank
(4)
Fluid pump assembly
(2)
Flow control, energy-serving and pressure sensitive (5) Steering gearbox
(3) Vane pump
valve assembly
PS-17