Mercury MerCruiser D2.8L D-Tronic Service Manual page 787

SERVICE MANUAL NUMBER 22
Torque
Lubricants / Sealants / Adhesives
Description
All diesel engines covered in this manual use an exhaust manifold which incorporates air
passages for both intake and exhaust in a single unit. Fresh water from the closed cooling
system is pumped by the engine water circulating pump through the combined intake and
exhaust manifold when the engine is operating.
When reference is made to the exhaust manifold, keep in mind that it includes the intake
air passages (or intake manifold).
Additionally, the engines exhaust manifold includes a flange for mounting a turbocharger
wastegate and valve assembly.
90-860074--1 FEBRUARY 2002
Description
Intake / Exhaust Manifold Nuts
Rear Cover Bolts
Water Temperature Switch/Sender
Exhaust Pipe Bolts (MCM)
Exhaust Elbow Clamp Nut
Description
Loctite 592 Pipe Sealant With Teflon
MANIFOLDS, ELBOWS AND RISERS
Nm lb-in. lb-ft
32
40
13 120
30
Part Number
Obtain Locally
Page 7B-3
24
30
23