JAC J2 User Manual



Maintenance Manual for J2 Sedan
Mechanical Part of Engine
85
■
Make
the
piston
ring
with
front
mark
facing
the front end of engine by the piston ring
compressor or other suitable tool, then install
piston ring onto pi
ston hea
d.
Attention:
■
Do
not
damage
cylinder
wall
or
crankshaft
journal by the big end of connecting r
od.
■
Do not
to damage
big bonnet
and
connecting rod fitting surface

⑩

Install connecting rod cover.
During installation, first use high pressure gas for
blowing the expansion sections.
When tightening connecting rod bolt, the order of
“5Nm→10Nm→13Nm+45°+45°”alternate
methods should be followed. After piston
connecting rod assembly is installed, verify that
clearance for the connecting rod big end is 0.10 -
0.30mm.
Attention:
■

Connecting rod bolts can only be used once..
■
Before
installing
nut, a
pply engine
oil
on its
thread and
seat.
⑪

Install rear oil seal
housing of crankshaft with rear oil
seal assemble
to the
cylinder block.
⑫

Installati
on of knock
sensor
, Hall se
nsors, oil
pressure swit
ch.
Attention:
■ Do not
screw
the nut
when
grasping
the
joint.
■ If the knock sensor is shocked, replace
with
a new
one.

Note: Be sure that there is no foreign body at the matching surface of cylinder body or
the back side of
knock sensor.

⑬

Be aware of following to install with steps contrary to dismantlement.
■ Flywheel
Alternately tighten bolts to specified torque.

Fig.1.1.075
Fig.1.1.076

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English