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CRANKSHAFT/TRANSMISSION 9-19
Crankshaft and Connecting Rods
•
Install new bolts and nuts in reused connecting rods.
If the connecting rod assy was replaced, use the bolts and
nuts attached to the new connecting rod assy.
•
Apply a small amount of molybdenum disulfide oil solution
to the following portions.
Threads [A] of Bolts and Nuts
Seating Surfaces [B] of Nuts and Connecting Rod Caps
•
First, tighten the nuts to the specified torque. See the
table below.
•
Next, tighten the nuts 120° ±5° .
Mark [A] the connecting rod big end caps and nuts so that
nuts can be turned 120° [B] properly.
Tighten the hexagon nut by 2 corners.
Torque + Angle
Connecting
Rod Assy
Bolt Nut
N·m (kgf·m, ft·lb)
Attached to
22 (2.2, 16)
new con-rod
+120°
20 (2.0, 15)
New
Use the bolts
attached to
new con-rod.
New
+120°
26 (2.7, 19)
Used
+120°
26 (2.7, 19)
Used
Replace the
bolts with new
ones.
New
+120°
The nuts can be tightened by using a torque angle gauge
[A].
Crankshaft/Connecting Rod Cleaning
•
After removing the connecting rods from the crankshaft,
clean them with a high flash-point solvent.
•
Blow the crankshaft oil passages with compressed air to
remove any foreign particles or residue that may have
accumulated in the passages
.
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