Changan CS35 2012 - Bleed System

CS35 2013.04
1.1.5-5 1.1.5-5Noise, Vibration and Harshness
Transmission route of sound:
• The transmission ways of the noise
genera
t
ed by the
int
a
ke and
the e
x
hau
st
system are shown as in the picture
above.
•
I
n addition
t
o air no
ise
,
the so
lid n
oise in
the in
t
a
ke and th
e exh
aust system is also
the main source. In order to minimize the
noise, t
he sound
isulat
ion
cushion
mu
st
be in
st
alled firmly
.
•
The exhaust system is a typical vibrating
componen
t, and a goo
d soun
d insulation
device
is re
quire
d in t
he in
st
allation
. The
system layout, trends and connecting
poin
t
s of
the
vehicle
bod
y
shall
be
properly selecte
d
to
redu
ce the solid
noise.
Air Intake System
• Length and cubage of air intake system
has b
een fixed a
nd ca
n not be
chan
ged
in maintena
nce. Pay atten
t
ion to the
tightening and leakages between
connecting components in operation.
• The great air pressure changes on the
surface air intake system components will
cause strong vibration.
•
I
nflu
ence
o
f tempe
r
ature will cha
nge it
s
rigidity, such as heating air filter (thereby
influencing vib
r
ation
level).
• In order to avoid the solid vibration on the
surface of air intake system transmitting
to
vehicle
bod
y
,
p
a
y atte
ntion
to
the
following in maintenan
ce: a)
whole air
intake system is insulated with vehicle
body
, inst
all the rubbe
r
ga
ske
t
an
d
keep
prope
r degree
of freed
om:
b
)
air int
a
ke
pipe
shou
ld not
be con
nect
ed with
vehicle body directly. It is necessary to
add foam
so
und abso
r
bent p
a
d
on the
connecting positions with vehicle or other
compone
nt
s.
Bleed System
Exhaust system can not be installed too tightly.
CAUTION: The rubber gasket in suspen-
s
i
on exh
aust sy
stem ca
n also t
r
an
smit vir-
bation, sometimes it is noise soruce. So it
is necessary to leave suitable freedom in
in
st
allin
g exhau
st syste
m
.
Rubb
er gasket
can n
o
t be inst
alled t
o
tigh
tly
.
Exhaust manifold
and cat
a
ly
t
i
c converter (if con-
nected with engine directly) must be connect with
It
em
Comp
onent
Descripti
on
1
-
Int
a
k
e
Manif
o
ld
2 - Resonant tank
3 - Connecting pipe
4 - Air filter
5
-
Re
so
na
nt
t
a
nk
1
4
5
3
2
A1105009
Item Component Description
1 - Catalytic converter
2 - Refund coupling device
3-Front muffler
4 - Rear muffler
432
1
A1105010