ISC, ISCe, QSC8.3, ISL, ISLe3, ISLe4 and QSL9 Engines – 010-055   Turbocharger Wastegate Valve Body

NOTE: This step applies to marine engines only.

Remove the actuator heat shield. Refer to Procedure 011-032.

Remove the exhaust connection from the turbocharger. Refer to Procedure 011-017.

Remove the round inspection plate from the turbocharger.

Inspect the lever pin.

Replace the turbocharger if worn excessively, Refer to Procedure 010-033.

Inspect the valve and valve seat for cracks or erosion.

Replace the turbocharger if damage is found. Refer to Procedure 010-033.

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.

NOTE: This step applies to marine engines only.

Install the inspection plate.

Install the exhaust connection. Refer to Procedure 011-017.

Install the actuator heat shield. Refer to Procedure 011-032.