Mercury MerCruiser D2.8L D-Tronic Service Manual page 823

SERVICE MANUAL NUMBER 22
Installation
IMPORTANT: When installing turbocharger, it may be necessary to turn intake and
exhaust housings to line up with intake air duct and exhaust manifolds on engine.
1. Using a new gasket, install turbocharger on exhaust manifold as shown. Tighten nuts
to 24 Nm (18 lb-ft).
2. Install support bracket screws with washers as shown. Tighten screws securely.
3. Tighten the six hex nuts or hex screws (on D4.2L) on clamping plates of exhaust
housing-to-bearing housing to 30 Nm (22 lb-ft). (Refer to Step
for location.)
90-860074--1 FEBRUARY 2002
a - Gasket, Exhaust Manifold-to-Turbocharger
b - Nut (4 Total - 2 Not Shown)
a - Screws With Washers
b - Support Bracket
a
b
b
a
TURBOCHARGER
70991
70992
"1" in Assembly section,
Page 7C-21