JAC J2 User Manual



Maintenance Manual for J2 Sedan
Service
18
1) Dismantlement
①

Dismount
the en
gine
hood.
See a
lso “Inta
ke m
anifold”.
②

Disassemble
the i
gnition
coil. P
lease
refer to
“Ignition
Coil”.
③

Dismount
the
ignition plug
with
plug
socket.
Attention:
■
Be
aware
not
to
drop
or
shock
the
ignition
plug.
2)
Inspection
after
the
dismantlem
ent
Generally, the standard ignition plug should be used.
In the following conditions, if carbon deposition frequently occurs with standard ignition plug, the hot
ignition plug should be
used:
■
Engine
is
frequently
started.
■
Ambient
temperature
is
low.
In the following conditions, in case ignition knock frequently occurs with standard ignition plug, the cold
ignition plug should be
used:
■
Long-time
traveling
on
the
expressway;
■
Engine
is
frequently
running
with
high
speed.
Attention:
■
Be
sure
not
to
drop
or
shock
the
ignition
plug.
■
Steel
brush
should
not
be
used
for
cleaning.
■ If there’s carbon deposition on i
gnition plug
end,
remove
with ig
nition plug cleaner.
■
During the re
placement
interval, the ignition
plug gap s
hould be c
hecked when it is
necessary.
Ignition plug gap: 0.7-0.8 mm
3) Installation
Install with steps
contrary to dismantlement. Tightening torque of ignition plug: 25-30 N·m.
10.
Replaceme
nt of
Fuel Fi
lter
1) Dismantlement
Caution:
■
Be s
ure to
read
the
“General
Precautions”
before
any ha
ndling
of fuel
system.
See
“General
Precautions”.
①

Open
the
fuel
filler
cap.

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English