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Home >> Lincoln >> 2021 >> Aviator Base, RWD >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Fuel Charging And Controls - Turbocharger - 3.0L ECOBOOST >> Diagnosis And Testing >> Turbocharger >> Component Tests >> Check for Free Rotation - On Vehicle

Check for Free Rotation - On Vehicle

NOTE: The turbocharger must be pre-oiled before carrying out this check.
NOTE: Turbine and compressor wheels must spin freely when turned by hand. No housing contact is permitted.

Inspect the turbocharger and turbine fins for damage. If the compressor or turbine wheel fins are damaged, install a new turbocharger.

Press and rotate the turbocharger shaft, then repeat from the opposite side. If either the compressor wheel or the turbine wheel contacts the housing, the bearings are bad and a new turbocharger must be installed.

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