9-5 (9600) L4-2.3L Turbo (B235) (2001)
4. Remove the circlip and unhook the pushrod from the valve operating arm.
5. Observe whether the flap valve abuts firmly against the turbine housing. Check for carbon deposits, etc.
6. Check that the arm moves easily.
7. Refit the circlip and hook on the pushrod.