Mercury D4.2L D-Tronic

TURBOCHARGER SERVICE MANUAL NUMBER 22
Page 7C-12 90-860074--1 FEBRUARY 2002
4. Loosen spring retaining heat-shield blanket around wastegate exhaust pipe.
5. Remove fasteners and lockwashers retaining wastegate exhaust pipe to exhaust elbow.
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a
b
c
d
Typical
a-Spring (Blanket Retainer)
b-Heat-Shield Blanket
c-Hex Nuts With Lockwashers
d-Wastegate Exhaust Pipe
6. Make matching marks on exhaust elbow or riser and turbocharger housing, for
alignment during reassembly.
7. Loosen exhaust elbow, or riser, clamp. Remove elbow gasket and clamp.
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73941
73632
b
c
a
d
d
Typical Exhaust Elbow (Similar With Riser)
a-Matching Marks
b-Clamp
c-Exhaust Elbow
d-Exhaust Gasket