Subaru LEGACY 2002 Quick Reference Index page 458

Power Assisted System (Power Steering)
(6)
(1) Reservoir tank
(2) Relief valve
(3) Pressure-sensitive valve
(4) Vane pump
POWER STEERING SYSTEM
(3)
(4)
(5)
(7)
PS-18
(1)
(2)
(5) Flow control valve
(6) Fluid pump
(7) Steering gearbox
B4H1764B