Impreza GT F4-2.5L Turbo (2009)
3) Using the ST, loosen the lock nut.
ST 926230000 SPANNER
4) Tighten the adjusting screw until it can no longer be tightened.
5) Loosen the adjusting screw, and remove the spring and sleeve.
6) Remove the two bolts securing valve assembly.
7) Carefully draw out the input shaft and remove the valve assembly.
