
Turbocharger - Cleaning and Inspec-
tion (10-01)
Cleaning
Remove all carbon deposits and gasket material from the
gasket mating surfaces.
NOTE: Tape or plug all openings to prevent solvent or steam
from entering the oil cavities in the turbocharger.
Warning: When using a steam cleaner, wear protective
clothing and safety glasses or a face shield. Hot steam
can cause serious personal injury.
Use solvent or steam to clean the exterior of the turbo-
charger. Dry with compressed air.
Remove the tape and the plugs.
Inspection
Visually inspect the turbocharger housing for damage.
Replace if through cracks are found.
Visually inspect the turbine wheel and the compressor
impeller for fretting, cracked, or broken vanes. Replace
damaged parts.
Turn the compressor impeller in the direction shown to
inspect the turbine shaft for freedom of rotation
NOTE: The shaft must rotate freely. Replace damaged parts.
Refer to BHT3C Turbocharger Shop Manual, Bulletin No.
3810230.
Cracks on the turbocharger mounting flange longer than
15 mm [0.6-inch] are not acceptable.
Intake Air System Turbocharger - Cleaning and Inspection (10-01)
N14 Page 10-5
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