Installation - Mercury MerCruiser D2.8L D-Tronic Service Manual

SERVICE MANUAL NUMBER 22

Installation

Cylinder liners on all engines are required to protrude (or rise above the surface of the block)
0.01 - 0.06 mm (.0004 - .0023 in.). By using one of three shims available (placed between
the liner flange and the block during installation of liner) it is possible to obtain the correct
protrusion.
1. To determine the correct shim thickness needed for each liner follow instructions a. - e.:
Ensure cylinder liners are fully seated in block in the following instructions or
incorrect measurements will occur causing engine performance problems or
severe engine damage.
NOTE: Liners will spin freely in bore when the block and liner are completely clean and ready
for assembly.
a. Unless being replaced, install liners in same cylinder block bore as marked or noted
b. Using a precision depth gauge measure and record the amount of recess (depth
90-860074--1 FEBRUARY 2002
upon disassembly WITHOUT shims or O-rings.
below block surface) of each liner as shown.
a - Liner Recess (Depth of Liner in Block)
b - Cylinder Liner
c - Cylinder Block
d - Cylinder Head Mounting Surface of Block
CAUTION
d
a
c
ENGINE MECHANICAL
b
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