Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1118

Oil passage
Compressor
wheel
INTAKE AND EXHAUST -
COMPRESSOR COVER
Check the compressor cover for traces of contact with the
Turbine wheel
compressor wheel and other damage.
TURBINE WHEEL ASSEMBLY
1. Check the turbine and compressor wheel blades for bend,
2. Check the oil passage of the turbine wheel assembly
Water passage
3. In the case of water cooled type, check also the water
4. Check the turbine wheel and compressor wheel for light
Turbocharger
burr, damage, corrosion and traces of contact on the
back side and replace if defective.
for deposit and clogging.
passage for deposit and clogging.
and smooth turning.
15-25