Late Model Cylinder Head Gasket - Mercury MerCruiser D2.8L D-Tronic Service Manual

ENGINE MECHANICAL
Late Model Cylinder Head Gasket - Torque Sequence and Specifications
IMPORTANT: Cylinder head bolts may be installed as many as three times, and then
must be replaced. Replace bolts if any doubt exists.
IMPORTANT: Observe the following assembly notes:
•
Lubricate the underside of all 14 mm center bolt heads and threads with Molykote.
•
Lubricate the underside of all 12 mm side bolt heads and threads with clean engine
oil (SAE 30 W).
•
Position cylinder heads, one at a time. Install cylinder head end spacers, formed
spacer-washers and bolts. Temporarily finger tighten the bolts.
•
Hand tighten intake / exhaust manifold to cylinder heads to align sides of cylinder
heads. Then, recheck for proper coverage of gaskets.
a
Cylinder Head Assembly Diagram
Page 3A-20
c
d
a - End Spacer
b - Formed Spacer-Washers
c - Center Bolt Set
d - Side Bolt Set
b
a
a
b
c
a
SERVICE MANUAL NUMBER 22
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90-860074--1 FEBRUARY 2002