Wastegate Actuator: Testing and Inspection

WASTEGATE ACTUATOR INSPECTION [MZR 2.3 DISI Turbo]

1. Remove the air hose and air duct. (See Service and Repair)

2. Disconnect the hose from the wastegate actuator.

3. Plug the wastegate actuator as shown in the figure.






4. Connect the vacuum pump to the port

5. Raise the pressure slowly and take a measurement of the pressure when the rod stroke is 1.5 mm {0.06 in}.





Specification (rod stroke: 1.5 mm {0.06 in})
- 78.0-83.4 kPa {0.796-0.850 kgf/cm2, 11.4-12.0 psi}

- If the rod does not move, replace the turbocharger. Service and Repair