JAC J2 User Manual



Maintenance Manual for J2 Sedan
Mechanical Part of Engine
74
■
W
ater
pump
and
its
components
■ Ignition coil
■
Cylinder
cover,
damping
wheel,
oil
pan
■
Engine
timing
sprocket
mechanism
⑥

Dismount the
flywheel assembly.
Fix the
flywheel by the
special tool
to
dismount the
fixing bolt.
■
Tightening
torque:
For
flywh
eel:
95-105N·m
Attention:
■
Fixing bolts should be loosened in the
diagonal orders.

⑦
Disassemble knock sensor, crankshaft position sensor, oil pressure switch.
■
Tightening
torque: Knock
sensor: 16
-
24
N
•
m
Crankshaft positio
n sensor: 7.8 - 9 N
• m
Oil pressure switch: 8 - 12 N • m
Attention:
■
Do
not
drop
or
knock
the
sensor
.
⑧

Remove
crankshaft
rear
oil
seal
bracket
■
Tightening
torque:
7.0-8.2N·m
■ Insert the screwdriver between
the
crankshaft and
the
rear
oil
seal
housing to
dismantle.
Attention:
■
Once dismounted,
the re
ar oi
l seal must not
be reused.
It should
be repla
ced by
a new
one.
⑨

Dismount the
piston
and
connecting
rod
assembly:
Before dismounting the piston and connecting rod assembly, check the gap at the big end of connecting
rod. See “Check after Disassembly” below.
a.
Rotate the
crankshaft to place
the
journal side
of crankshaft which
is
correspon
ding to
the
connecting rod to be dismounted at the center of bottom.
b.
Dismount
the
connecting
rod
cover.
■ Tightening
torque:
13±1N·m +
90°-94°
Be aware that when tightening the "5Nm → 10Nm → 13Nm +45 ° +45 °" alternate methods should be
followed to
tighten.
c.
Push out
the pi
ston and
connect
ing rod
assembly
from the
cylinder
body by the
rubber ha
mmer
or
equivalent.
Attention
:

■
Be car
eful no
t to
damage
the big
bonnet
and con
necting
rod
fitting
surface
■ Do not
damage the
cylinder wall
and the
crankshaft journal with the
big end
of the
connecting

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English