Checking turnability at wastegate valve
- Wastegate valve can be turned with minimal force.
Adjustment at wastegate valve is OK.
- Wastegate valve has play and can be turned without resistance, wastegate valve open too far.
Carry out adjustment at wastegate valve, shorten linkage.
- Wastegate valve cannot be turned, wastegate valve closed.
Carry out adjustment at wastegate valve, lengthen linkage.