Wastegate Actuator: Adjustments

Operation number: 25534-2

Wastegate Control Valve Adjustment











Check

Remove right front wheel Refer to: Wheels Service and Repair













Use: Universal oil, 1161657




951 2986 Measurement sensor 951 2986 Measurement sensor





Caution! Make sure that the component moves freely between the end positions.

Repeat the following steps until the component moves freely. Some minimal binding is permitted.








1.
2.
3.
4. Check that the pressure-drop remains within the specified values.












1.
2. Caution! If the specified pressure is exceeded repeat the steps.

3.
See information about wastegate valve Refer to: Wastegate valve, B6304T4 [1][2]Specifications




Note the value.




1.
2.
3. Caution! If the specified pressure is exceeded repeat the steps.

See information about wastegate valve Refer to: Wastegate valve, B6304T4 [1][2]Specifications




Note the value.

Calculate the average value.

Follow the instructions for wastegate valve Refer to: Wastegate valve, B6304T4 [1][2]Specifications

If the average value is not according to specifications, adjust the stroke.

Adjustment

Remove the right drive shaft Refer to: Drive shaft right, B6304T4, TF-80SC AWD, B6324S5, TF-80SC AWD, B6324S5, TF-80SC, B6324S4, TF-80SC AWD, B6324S4, TF-80SC Front Driveshaft, Right




Torque: M10, 50 Nm




Torque: M10, 50 Nm

Note! Turn the adjusting screw counter-clockwise to increase stroke. Turn the adjusting screw clockwise to decrease stroke.

Note! One revolution corresponds to approx. 1 mm stroke.





Caution! Take extra care when handling the component.

1.
2. Adjust to specified average value.
See information about wastegate valve Refer to: Wastegate valve, B6304T4 [1][2]Specifications





Caution! Take extra care when handling the component.

Torque: Pressure regulator, lock nut adjuster rod , 7 Nm




1.
2. Adjust to specified average value.
See information about wastegate valve Refer to: Wastegate valve, B6304T4 [1][2]Specifications




Torque: Pressure regulator, lock nut adjuster rod , 7 Nm

Repeat the method to verify that the average value is according to specifications.