Cylinder Block, Liners, Pistons, and Rods
02
030
16
RG,RG34710,110 –19–03AUG99–1/2
Visually Inspect Cylinder Liners
RG4643 –UN–05DEC97
Liner Visual Inspection
A—Liner Pitting
B—Erosion
C—Pitting Depth Is One-Half Liner Thickness
D—Erosion Depth Is One-Half Packing Step
IMPORTANT: If pitting has occurred, check condition
of coolant.
1. Inspect exterior length of liner for pitting (A). Check
packing step for erosion (B). If pitting or erosion is
observed, measure the depth of pits and erosion with a
fine wire or needle.
Replace piston and liner if:
• Pitting depth is one-half liner thickness (C) or more.
Specification
Cylinder Liner Wall—Thickness 9.39—9.43 mm (0.370—0.371 in.)..........
• Erosion depth is one-half packing step (D) or more.
Specification
Cylinder Liner Packing Step—
Dimension 2.14—2.30 mm (0.084—0.090 in.)............................................
NOTE: Liners are reusable if the depth of pits or erosion
is less than one-half the amount specified. When
installing these liners, rotate 90
°
from original
position. The liners should be deglazed and ring
sets installed on pistons.
Continued on next page
CTM100 (06APR04)
02-030-16
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=156
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