Mercury MerCruiser D2.8L D-Tronic Service Manual page 818

TURBOCHARGER
NOTE: If the exhaust housing cannot easily be removed by hand, tap on it carefully all
around using a plastic hammer and carefully remove it in the following.
IMPORTANT: Be careful not to damage the turbine impeller when removing exhaust
housing.
3. Remove exhaust housing as shown.
4. Inspect turbine blades. If blades are rubbing against housing, the bearings are worn.
Replace turbocharger.
Page 7C-16
b
a - Exhaust Housing
b - Bearing Housing
c - Turbine Impeller
b
a - Turbine
b - Inspect (Edges of Blades)
c
a
a
SERVICE MANUAL NUMBER 22
70994
70994
90-860074--1 FEBRUARY 2002