JAC J2 User Manual



Maintenance Manual for J2 Sedan
Mechanical Part of Engine
75
rod.
■
Maintain
the
connecting
rod
big
end
and
the
connecting
rod
body
match
sequentially
and
maintain the connecting rod big end serial number in consistency

⑩

Dismount bearing shell from the connecting rod and the connecting rod cover.
Attention:
■
Identify
their
mounting
positions,
and
properly
place th
em to
avoid
confusion.
⑪
Dismount ring from the piston.
Check the side clearance of piston ring before dismounting. See “Check after Disassembly” below.
Attention:
■
Use
the
piston
ring
expander
.
⑫

Dismount the piston ring from the connecting
rod with method below:
a.
Insert
the
push
rod (special
tool)
from the
front side with a arrow mark, and then install
the guide sleeve D.
b.
With
the
front
mark
of
piston
face
upwards,
install piston and connecting rod assembly on
the mounting base of piston pin (special tool).
c.
Push
out
the
piston
ring
by
the
press.
d.
Detach
the
connecting
rod
from
piston.
Attention:
■
After
dismounting
piston
pin,
place
it
together with the piston pin and the
connecting rod.
■ It
is
forbidden to
place
the
pistons,
piston
pins and connecting rods of different
cylinders together.
⑬

Dismount the crankshaft bearing cap.
Before loosening the crankshaft bearing cap, measure axial clearance of crankshaft. See “Check after
Disassembly” below.
Fig.1.1.055
Fig.1.1.056
Piston Ring
Expander

Push Rod

Guide Sleeve D

Base

Front
Mark


JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English