ISM, ISMe, and QSM11 – 010-055   Turbocharger Wastegate Valve Body

The wastegate actuator end-link must be removed to inspect the turbocharger wastegate. Refer to Procedure 010-050 in Section 10.

Inspect the lever pin.

If the lever pin is worn excessively, replace the turbocharger. Refer to Procedure 010-033 in Section 10.

Actuate the lever by hand to verify that the shaft rotates freely and is not seized.

Check for excessive movement between the shaft and bushing.

Replace the turbine housing if the shaft and bushing are damaged or seized. Refer to the Turbocharger Master Repair Manual, Bulletin 3580555.

Maximum allowable clearance is 0.003-in. If the clearance is determined to be above the maximum allowable, replace the turbocharger. Refer to Procedure 010-033 in Section 10.