Removal & Installation: Inspection

To inspect impeller wheel rotation, grasp edge of turbine wheel and turn it. Check that impeller wheel turns smoothly. If impeller wheel does not turn or if it turns with a drag, replace turbocharger assembly.
To inspect axial play of shaft bearing, insert a dial gauge into intake side, hold turbine wheel edge by hand and check axial play. Standard clearance is .0051" (.13 mm). If not within specification, replace turbocharger assembly.