2006 MITSUBISHI LANCER aft
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TROUBLESHOOTING
WHEEL AND TYRE31-4
WHEEL BALANCE ACCURACY
M1311001700247
PURPOSE
This section contains tips and procedures for achiev-
ing accurate wheel balance. Steering wheel vibration
and/or body shake can result if any of these proce
-
dures are not carefully observed.
1. Wheels and tyres must be properly mounted on a balancer in order to achieve correct balance.
Centring the wheel on the shaft of the balancer is
essential for proper mounting.
2. Off-the-car wheel balancers must be calibrated periodically to ensure good balancing results. An
inaccurately calibrated balancer could cause
unnecessary replacement of tyres, shocks,
suspension components, or steering components.
Check your balancer's calibration approximately
every 100 balances. Your wheel balancer's instruc
-
tion manual should include calibration procedures. If
the calibration procedures specifically for your bal
-
ancer are missing, use the generic steps in this sec-
tion for zero calibration, static balance, and dynamic
balance checks. The wheel balancer calibration
checks are also described in the flowchart. (Refer to
P.31-6).
PROCEDURE
1. Confirm that the balancer's cone and the wheel
mounting cone are undamaged and free of dirt
and rust.
2. On this vehicle, the wheel's centre hole on the hub side has a chamfered edge. Use a
back-mounting cone on your wheel balancer to
centre the wheel on the balancer shaft.
3. Install a wheel mounting cone. The appropriate size cone for this vehicle is 67.0 mm.
4. Before balancing the wheel, remove any wheel weights from both sides. Also check both sides for
any damage.
5. When installing wheel weights, hammer them at a straight (not diagonal) angle.
Scalloped
wear
ACX00934
Lack of rot a tio n of tyres or worn
or out-of-a
lign m ent suspensionRota te th e tyre s, an d
check the f
r ont or
rea
r suspension
alignment
s.
Refer to GROUP
33
, On -vehicle
serv
ic e
− Front
whee
l alignment
check and
ad
justmen t
P.33-6.
Refer to GROUP
34
, On -vehicle
serv
ic e
− Rear
whee
l alignment
check and
ad
justmen t
P.34-6.
Sy mptom P robable cause Reme dy Referen ce p a g e
Page 167 of 800
AC305700AB
Hub/shaft assemblyClamping cup
Wing nut
Standard passenger car wheel
Wheel mounting cone
Spring plate
TROUBLESH
OOTING
WHEEL AND TY RE31-5
1.Af ter ba lancing the whee l, lo osen the win g nut
an d turn the wheel 180
° against the b a lancer's
hu
b. The
n re-tighten t
he wing nut an d che c k the
ba
lance aga
in. Rep
eat whee l balance if
ne
cessary
.
2. T u rn the whee l aga in 18 0° against the bala n cer's
hu
b. If th
e wheel becomes out-o f-bala n ce each
time it is turne
d
against
the ba lancer's hub, th e
whee
l balancer ma
y req
u
ire calibration.
1.Mount an und amag ed origina l -equipme n t alloy
rim an d tyre assemb ly (wh eel) o n to your
of f-the-car whee l balancer . Bala nce the wheel.
2.<
Loosen the b a lancer win g nut, ro t a te the whe e l a
ha
lf-turn (180
°), and retig h ten th e nut. Recheck
th
e balance
.
•If t h e imb a la nce is 5 g o r l e ss, t he zero cali brati on
is OK. Reba
lance the whe e l, the n go to S t ep 4 to
ch
eck st atic balance.
•If the imbala n ce is more th an 5 g , go to S t e p 3.
3.Lo osen the b a lancer win g nut, ro t a te the whe e l
1/ 4 turn (90
°), and retig h ten the nu t. Recheck the
whee
l balance.
•If the imbala n ce is 5 g or less, the wheel may not
be
centre d on th e balancer , or th e balancing
co
nes, the cup, an d/or win g nut a r e damaged ,
dirty
, or inappro p riate for the wh eel. Y o u may
nee
d to ref e r to th e balance r man u fact urer's
in
struction s to verify the corre ct at t a chme nt s.
Af
ter ma kin g the n e cessa r y correct ions, recheck
the
wh eel b a lan c e. If OK, the n go t o S t ep 4.
•If the imbala n ce is more t han 5 g , the b a lan c er
requ
ires calibrat ion. Con t a c t the bala n cer manu
-
facturer fo r calibra t ion b y the i r rep a ir represent a-
tive.
4.< >
Atta ch a 5 g we ight to the outer rim. Recheck the
b
a lancer . Th e balance r sho u ld d e tect 5
± 2 g of
imba
lance 170
to 190
° away from the 5 g weigh t .
•If the imbala n ce is within specification, th e st atic
balance ca
libra tion is correct. Go to S t ep 5 to
check the d
y namic balance .
•If the imbala n ce is o u t of specification, the bal-
ancer requ ires ca libra tion. Co nt a c t th e balance r
manufacturer f
o r calibra t ion by th eir rep a ir repre
-
sentative.
5.<
Atta ch a 5 g we ight to the inner rim at 180°
o
pposite the
5
g weight that wa
s
a
dded in S t e p 4.
Recheck the bala
n
ce
.
Th
e
b
a
lancer sho
u
ld dete c t
5
± 2 g of imba lance 170 to 190° away from both
th
e inn
e
r and
outer 5
g weigh
t
s.
•If th e imbala n ce is within specification, th e
dynamic b
a lan c e calibratio n is corre ct. T he bal
-
ancer calibration che c ks are complet e .
•If the imbala n ce is o u t of specification, the bal-
ancer requ ires ca libra tion. Co nt a c t th e balance r
manufacturer f
o r calibra t ion by th eir rep a ir repre
-
sentative.
Page 172 of 800
GENERAL INFORMATION
POWER PLANT MOUNT32-2
GENERAL INFORMATION
M1321000100340
The engine mounting system employs the inertial
axis four-point suspension method, which is field
proven.
•The optimised locations of the front and rear roll
mounts well distribute their loads thereby reduc
-
ing engine idling vibrations.
•The fore-and-aft, liquid-filled engine mount of cyl-
inder type is adopted to reduce engine shake for
improved riding comfort.
CONSTRUCTION DIAGRAM
AC107318
Y0290AU
AC303563
Engine mounting
insulatorTransmission mounting insulator
Engine rear roll stopper bracket
Engine front roll stopper bracket
AB
Page 174 of 800
ENGINE MOUNTING
POWER PLANT MOUNT32-4
ENGINE MOUNTING
REMOVAL AND INSTALLATIONM1321001100440
CAUTION
*: Indicates parts which should be initially tightened, and then fully tightened after placing the vehicle
horizontally and loading the full weight of the engine on the vehicle body.
Pre-removal Operation
Raise the engine and transmission assembly until its weight
is not applied to the insulator, and support it securely.
AC303999AC303968AC304304AB
<4G1> <4G6>
44 ± 10 N·m* 67 ± 7 N·m*
2N
3
44 ± 10 N·m*
67 ± 7 N·m*
2N
3
12 ± 2 N·m
1
Removal steps
1.Pressure hose clamp <4G6>2.Self-locking nuts
3.Engine Mounting Insulator
Removal steps (Continued)
Page 175 of 800
TRANSMISSION MOUNTING
POWER PLANT MOUNT32-5
TRANSMISSION MOUNTING
REMOVAL AND INSTALLATIONM1321001400430
CAUTION
*: Indicates parts which should be initially tightened, and then fully tightened after placing the vehicle
horizontally and loading the full weight of the engine on the vehicle body.
Pre-removal Operation
•Raise the engine and transmission assembly until its
weight is not applied to the insulator, and support it
securely.
•Battery and Battery tray Removal
•Air Cleaner Removal (Refer to GROUP 15, Air Cleaner
P.15-3).
•Engine Rear Roll Stopper Bracket Removal (Refer to
P.32-7).
Post-installation Operation
•Engine Rear Roll Stopper Bracket Installation (Refer to
P.32-7).
•Air Cleaner Installation (Refer to GROUP 15, Air Cleaner
P.15-3).
•Battery and Battery tray Installation
AC303988AC303989AC304258
AB
82 ± 7 N·m*
47 ± 7 N·m*82 ± 7 N·m*
47 ± 7 N·m*
1 1
2
22
2
Removal steps
1.Transmission mounting insulator
>>A<<2.Transmission mounting stopper
Page 177 of 800
ENGINE ROLL STOPPER, CENTREMEMBER
POWER PLANT MOUNT32-7
ENGINE ROLL STOPPER, CENTREMEMBER
REMOVAL AND INSTALLATIONM1321002300287
CAUTION
*: Indicates parts which should be initially tightened, and then fully tightened after placing the vehicle
horizontally and loading the full weight of the engine on the vehicle body.
Pre-removal and Post-installation Operation
Under Cover Removal and Installation
AC303978
AC304309
45 ± 5 N·m*45 ± 5 N·m*
<4G1> <4G6>
52 ± 7 N·m* 52 ± 7 N·m*
45 ± 5 N·m*
52 ± 7 N·m*
11 ± 1 N·m
69 ± 10 N·m
69 ± 10 N·m 69 ± 10 N·m
1
3 2
1
3
4
56 7
AB
Engine front roll stopper bracket
and centremember removal
steps
1.Engine front roll stopper bracket
connecting bolt
•Centremember and engine front roll
stopper bracket assembly
>>B<<2.Engine mounting cushion stopper
<4G6>
>>A<<3.Engine front roll stopper bracket
4.Centremember
Engine rear roll stopper bracket
removal steps
5.Engine rear roll stopper bracket
connecting bolt
6.Transmission case rear roll stopper
bracket
7.Engine rear roll stopper bracket
Page 178 of 800
CROSSMEMBER
POWER PLANT MOUNT32-8
INSTALLATION SERVICE POINTS
>>A<< ENGINE FRONT ROLL STOPPER
BRACKET INSTALLATION
AC005918Front of vehicleHoleAC
Inst
all th e en gine fron t roll stop per b r acket so that it s
hole
point s towards the fro n t side of the vehicle.
>>B<< ENGINE MOUNTING CUSHION
ST
OPPER INST ALLA TION <4G6>
AC304315ABFront of vehicle
Hole Engine mounting
cushion stopper
Inst
all the e ngin e mo untin g cushio n sto pper a s
shown.
CROSSMEMBER
REMOVA L AND INST ALLA TIONM13210032 0036 8
CAUTION
•Before removing the steering wheel and air bag module assembly, always refer to GROUP 52B -
Service Precautions
P.52B-5, Air bag Module and Clock Spring P.52B-194. Also, set the front
wheels so that they are facing straight forward, and remove the ignition key. If you fail to do this,
the SRS clock spring will be damaged, causing the SRS air bag to be inoperative and serious
injury.
•*1: Indicates parts which should be initially tightened, and then fully tightened after placing the
vehicle horizontally and loading the full weight of the engine on the vehicle body.
•
Pre-removal Operation
•Centremember Removal (Refer to P.32-7).
•Front Exhaust Pipe Remova l (Refer to GROUP 15,
Exhaust Pipe and Main Muffler P.15-10).
•Steering Wheel Air Bag Mo dule Assembly Removal
(Refer to GROUP 37, Steering Wheel P.37-17).
•Power Steering Fluid Draining (Refer to GROUP 37,
On-vehicle Service P.37-13).
Post-installation Operation
•Front Exhaust Pipe Installation (Refer to GROUP 15,
Exhaust Pipe and Main Muffler
P.15-10).
•Centremember Installation (Refer to P.32-7).
•Clock Spring Centring (Refer to GROUP 52B, Air Bag
Modules and Clock Spring P.52B-194).
•Steering Wheel Air Bag Module Assembly Installation
(Refer to GROUP 37, Steering Wheel P.37-17).
•Power Steering Fluid Supplying (Refer to GROUP 37,
On-vehicle Service P.37-13).
•Power Steering Fluid Line Bleeding (Refer to GROUP 37,
On-vehicle Service P.37-14).
•Press the dust cover with a finger to check whether the
dust cover cracked or damaged.
•Checking Steering Wheel Position with Wheels Straight
Ahead.
•Front Wheel Alignment Check and Adjustment (Refer to
GROUP 33, On-vehicle Service P.33-6).
*2: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicle
on the earth in the unladen condition.
Page 179 of 800
CROSSMEMBER
POWER PLANT MOUNT32-9
AC304000
108 ± 10 N·m25 ± 4 N·m 18 ± 2 N·m
70 ± 10 N·m
21 ± 4 N·m
21 ± 4 N·m
186 ± 10 N·m* 167 ± 9 N·m49 ± 10 N·m
52 ± 7 N·m* 45 ± 5 N·m*
70 ± 10 N·m
57 ± 7 N·m
12 ± 2 N·m
5
4
10
9
11
8
12
1413
6
7 16
15
17 2
3
1
N
N
N
2
1 1
AB
Removal steps
1.Lower arm and knuckle connection
>>B<<2.Self-locking nut
3.Lower arm assembly
4.Shaft cover
5.Steering shaft assembly and gear
box connecting bolt
6.Engine rear roll stopper bracket
connection bolt
7.Engine rear roll stopper bracket
8.Return hose connection
9.Eye bolt
10.Pressure hose connection
11 .Gasket
12.Clamp
13.Self-locking nut
<>14.Tie rod end and knuckle connection
<>•Crossmember assembly
>>A<<15.Stabilizer bar
16.Steering gear and linkage
17.Crossmember
Removal steps (Continued)