Impreza 2.5 RS Sedan AWD F4-2.5L SOHC (2002)
3. Measure the working pressure of control valve by turning wheel from stop to stop.
ST1 925711000 PRESSURE GAUGE
ST2 34099AC020 ADAPTER HOSE B
ST3 34099AC010 ADAPTER HOSE A
Service limit:
TURBO model 7,350 - 8,036 kPa (75 - 82 kg/cm2, 1,067 - 1,165 psi)
Non-TUF7BO model 7,164 - 7,840 kPa (73 - 80 kg/cm2, 1,040 - 1,137 psi)
4. If it is within the specified value, measure the steering effort. If it is not within specified value, replace the control valve itself or control valve
and pinion as a single unit with new ones.