Maintenance Manual for J2 Sedan
Mechanical Part of Engine
82
③
Add oil to bearing surface
Install crankshaft on cylinder block. When rotating the crankshaft by hand, check whether the rotation
of crankshaft is smooth.
④
Install main bearing cap.
■
The main bearing cap can be identified through
mark.
■
Install the main bearing cap starting from the
front of the engine according to the ordering
numbers.
■
Arrow must point to engine front.
⑤
Tighten the bolts of main bearing cap to
standard torque.
a. Apply new engine oil onto the thread and fixing surface of bolts of main bearing cap.
b.
Tighten bolts for main bearing cap in steps.
■
Tightening torque: 35±2N·m
Screw all bearing cap bolts by 60-64° clockwise.
■
After installation of bolts of main bearing cap, verify that the crankshaft can be rotated smoothly by
hand.
■
Check the axial clearance of crankshaft. See “Axial clearance of Crankshaft”.
⑥
Install piston onto the connecting rod with
following instructions.
a.
Measure the following lengths (See right
Figure).
A
：
Distance from piston flange to piston flange
outside
B
：
Distance from piston flange to piston flange
inside
C
：
Length of piston pin.
D
：
Thickness of small end of connecting rod.
b.
Introduce the measurements into following
formula:
L = [(A-C)-(B-D)]
／
2
c.
Insert push rod (special tool) into the piston pin, and then install guide sleeve.
d.
When mounting the piston and the connecting rod, keep the front marks at same side.
e.
Apply the engine oil onto the outer circle of piston pin.
f.
Starting from the guide sleeve, press the guide sleeve, piston pin and push rod into the piston front
Fig.1.1.072
Fig.1.1.071
P
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s
t
o
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P
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P
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on
Connecting
Rod
