33-1
GROUP 33
FRONT
SUSPENSION
CONTENTS
GENERAL INFORMATIO N . . . . . . . .33-2
SERVICE SPECIFICATIONS . . . . . . .33-3
LUBRICANT . . . . . . . . . . . . . . . . . . . .33-3
SPECIAL TOOLS . . . . . . . . . . . . . . . .33-4
ON-VEHICLE SERVICE . . . . . . . . . . .33-6
FRONT WHEEL ALIGNMENT CHECK AND
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . 33-6
LOWER ARM BALL JOINT AXIAL PLAY
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-7
LOWER ARM BALL JOINT COVER
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-7
STRUT ASSEMBLY . . . . . . . . . . . . . .33-7
REMOVAL AND INSTALLATION . . . . . . . . 33-7
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-7
DISASSEMBLY AND REASSEMBLY . . . . . 33-8
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-10
LOWER ARM . . . . . . . . . . . . . . . . . . .33-11
REMOVAL AND INSTALLATION . . . . . . . . 33-11
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-12
LOWER ARM BALL JOINT COVER
REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 33-12
LOWER ARM BUSHING (REAR)
REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 33-13
STABILIZER BAR. . . . . . . . . . . . . . . .33-14
REMOVAL AND INSTALLATION . . . . . . . . 33-14
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 33-16
WARNINGS REGARDING SERVICING OF SUPPLEMENTAL RESTRAINT SYSTEM (SRS) EQUIPPED VEHICLES
WARNING
•Improper service or maintenance of any component of the SRS, or any SRS-related component, can lead to
personal injury or death to service personnel (from inad vertent firing of the air bag) or to the driver and
paassenger (from rendering the SRS inoperative).
•Service or maintenance of any SRS component or SRS-related component must be performed only at an
authorized MITSUBISHI dealer.
•MITSUBISHI dealer personnel must thoroughly review this manual, and especially its GROUP 52B - Supplemental
Restraint System (SRS) before beginning any service or maintenance of any component of the SRS or any
SRS-related component.
NOTE
The SRS includes the following components: SRS air bag control unit, SRS warning light, front impact sensors, air bag module,
clock spring, and interconnecting wiring. Other SRS-related components (that may have to be removed/installed in connection
with SRS service or maintenance) are indicated in the table of contents by an asterisk (*).
SERVICE SPECIFICATIONS
FRONT SUSPENSION33-3
SERVICE SPECIFICATIONS
M1332000300746
ItemStandard value
Toe-inAt the centre of tyre tread mm1 ± 2
Toe-angle (per wheel)0°03' ± 0°06'
Toe-out angle on turns (inner wheel when outer wheel at 20°)21°42' ± 1°30'
Steering angleInner wheelInvite39°30' ± 1°30'
Intense (LH drive vehicles)33°40' +1°00'/−2°00'
Intense (RH drive vehicles)37°00' +1°00'/−2°00'
Outer wheel (reference)Invite32°30'
Intense (LH drive vehicles)28°46'
Intense (RH drive vehicles)30°00'
CamberInvite0°05' ± 0°30'*
Intense−0°05' ± 0°30'*
CasterInvite2°45' ± 0°30'*
Intense2°55' ± 0°30'*
Kingpin inclinationInvite12°30' ± 1°30'
Intense12°40' ± 1°30'
Lower arm ball joint starting torque N⋅m0 − 3.9
Protruding length of stabilizer link thread part mm22 ± 1.5
NOTE: *: Difference between right and left wheels must be less than 30'
LUBRICANT
M1332000400152
ItemSpecified lubricantQuantity
Lower arm ball jointLip portion of ball joint coverMultipurpose grease SAE J310,
NLGI No.2 or equivalentAs required
Inside of ball joint cover
ON-VEHICLE SERVICE
FRONT SUSPENSION33-6
ON-VEHICLE SERVICE
FRONT WHEEL ALIGNMENT CHECK AND
ADJUSTMENT
M1331000900886
Measure wheel alignment with alignment equipment
on a level surface. The front suspension, steering
system, wheels, and tyres should be serviced to nor
-
mal condition before measuring wheel alignment.
TOE-IN
Standard value:
At the centre of tyre tread: 1 ± 2 mm
Toe angle (per wheel): 0°03' ± 0°06'
AC006074 AD
Lock nut
Clip
1.Adjust the to e-in by undoing th e clip and lock nut,
and turning th e lef t and rig h t tie rod turnbu ckles by
th e same amount (in op posite direct ions).
NOTE: The toe will move out as th e lef t turnbuckle
is turn
ed toward the fro n t of th e ve hicle an d the
right tu
rnbuckle is turned t o ward the rear of the
vehicle.
2. In st all the clip and tighten the lock nut to the
specifie d torqu e .
Ti ghte n ing torque: 40 ± 5 N⋅m
3.Conf irm t hat the toe-in is at the st anda rd value.
4.Use a turn ing ra dius gaug e to check tha t the
steering ang le is at the st an dard value .
STEE R I N G AN G L E
St andard va lue:
Inner
wheelsInvite39°30' ± 1°30'
Intense (LH
drive vehicles)33°40' +1°00'/−2°00'
Intense (RH
drive vehicles)37°00' +1°00'/−2°00'
Outer
wheels
(reference)Invite32°30'
Intense (LH
drive vehicles)28°46'
Intense (RH
drive vehicles)30°00'
TO E-OUT ANGLE ON TURNS
To check the stee ring linkage, e s pe cially af ter the
vehicle has been invo
lve d in an accid ent or if an a cci
-
dent is pres umed, it is advisab le to check th e toe-ou t
angle
on tu rns in addition to the wh eel a lig nmen t.
Conduct this test on th e lef t tu rn as we ll a s on the
right turn.
St andard va lue:
ItemSpecification
Toe-out angle on turns (inner
wheel when outer wheel at 20
°)
21°42' ± 1°30'
CAMBER, CASTER AND KINGPIN
INCLINA
T ION
St andard va lue:
ItemInviteIntense
Camber0°05' ± 0°30'*−0°05' ± 0°30'*
Caster2°45' ± 0°30'*2°55' ± 0°30'*
Kingpin
inclination12°30' ± 1°30'12°40' ± 1°30'
NOTE: *: Diffe rence between right and lef t wheels
must be less than 30'
NOTE: Camber and caster are prese t at th e factory
and cannot be adjust ed.
CAUTION
Never subject the wheel bearings to the vehicle
load when the driveshaft nuts are loosened.
NOTE:
AC001079
MB991004
AB
For vehicles with aluminium wheels, attach the cam-
ber/caster/kingpin gauge to the driveshaft by using
special tool wheel alignment gauge attachment
(MB991004). Tighten the special tool to the same
torque 245
± 29 N⋅m as the driveshaft nut.
LOWER ARM
FRONT SUSPENSION33-11
LOWER ARM
REMOVAL AND INSTALLATIONM1332001600331
CAUTION
*: Indicates parts which should be temporarily tightened, and then fully tightened with the vehicle on
the earth in an unladen condition.
Post-installation Operation
•Check the lower arm ball join t cover for cracks or damage
by pushing it with your finger.
•Front Wheel Alignment Check and Adjustment (Refer to
P.33-6).
AC006097 AD
7
1
3 4
5
108 ± 10 N·m
186 ± 10 N·m*
7
3
6
N
Specified grease :
Multipurpose grease SAE J310,
NLGI No.2 or equivalent
167 ± 9 N·m
6
2
Removal steps
>>A<<1.Self-locking nut
2.Bolt
3.Stabilizer rubber
4.Collar
5.Lower arm bolt
<>6.Lower arm bolt
7.Lower arm assembly
REMOVAL SERVICE POINT
<> LOWER ARM BOLT REMOVAL
AC006133
ADLower arm bolt (front)Transmission jackPiece of wood
LOWER ARM
FRONT SUSPENSION33-12
As for the L.H. lower arm assembly, withdraw the
lower arm bolt (front) with the transmission lift up by
using a transmission jack.
INSTALLATION SERVICE POINT
>>A<< SELF-LOCKING NUT INSTALLA-
TION
AC101741AC
A
T i ghten the self-locking nut un til t he st abilizer link
thread p
a rt protrud i ng length meet s the st a ndard
valu
e.
St andard va lue (A): 22 ± 1.5 m m
INSPECTION
M1332 0017 0028 6
•Check the lower arm bushing s for wear and det e-
riora t i o n.
•Check th e lo we r arm assemb ly for be nd or break-
age.
•Check all bo lt s for c ond ition and straightness.
LOWER ARM BALL JOINT ST ARTING
T
O RQUE CHECK
AC404846AF
MB991006
1.Af ter shaking the b a ll joint stud several times, use
special tool p r eloa d socke t (MB991 006) to
measure the st artin g torqu e of the ball joint.
St andard va lue: 0 − 3.9 N⋅m
2.If the measu r ed value is n o t within the st anda rd
value , or if the ba ll joint is dif f icu l t to t u rn or d oes
no t turn smo o thly , replace the lower a r m
asse mbly .
LOWER ARM BALL JOINT COVER
CHECK
1.Check t he lo we r arm b a ll joint co ver fo r cracks or
d a mag e by push i ng it with your finger .
2.If the lower arm ball joint co ver is cracked or
d a mag ed, rep l ace the lower arm assemb ly .
NOTE: Cracks or dama ge to t he dust co ver may
cause damage to the b a ll join t. When it is dam
-
aged du ring service wo rk, rep l ace the lower arm
b
a ll j o in t cover .
LOWER ARM BALL JOINT COVER
REPLACEMENT
M13320082 0026 0
If the lower arm ball jo int cove r is dama ged acciden-
ta lly durin g ser v ice work, repla c e th e lower arm b a ll
join
t cover as follows:
1.Remove the lower arm ball joint cover .
2.App l y specified grea se to the lip an d the inside of
a new lower arm ba ll join t cover .
Specified grease: Multipurpos e grease SAE
J310,
NLGI No.2 o r e quivale n t
Grease amount for the insi de the du st cove r
(re
f erence): 8
− 10 g
AC006135AD
MB990800
Lower arm
ball joint
cover
3. Using special tool ball joint remover and inst aller
(MB99080 0), drive in the lower arm ball jo int
cove r until it is fu lly se ated.
AC107030AC
22 mm
Lower arm
ball joint cover
STABILIZER BAR
FRONT SUSPENSION33-14
STABILIZER BAR
REMOVAL AND INSTALLATIONM1332004000673
CAUTION
•Before removing the steering wheel and air bag module assembly, refer to GROUP 52B, Service
Precautions
P.52B-5 and Air Bag Module and Clock Spring P.52B-194. Also, put the front wheels in
straight-ahead position. Failure to do so may damage the SRS clock spring and render the SRS air
bag inoperative, which results serious driver injury.
•
Pre-removal Operation
•Steering Wheel and Air Bag Module Assembly Removal
(Comfort: refer to GROUP 37, Steering Wheel
P.37-17/Sport: refer to GROUP 37, Steering Wheel P.37-18).•Clock Spring Removal (Refer to GROUP 52B, Air Bag
Modules and Clock Spring P.52B-194).
•Centermember Removal (Ref er to GROUP 32, Engine
Roll Stopper, Centermember P.32-7).
•Front Exhaust Pipe Remova l (Refer to GROUP 15,
Exhaust Pipe and Main Muffler P.15-10).
Post-installation Operation
•Front Exhaust Pipe Installation (Refer to GROUP 15,
Exhaust Pipe and Main Muffler P.15-10).•Centermember Installation (Refer to GROUP 32, Engine
Roll Stopper, Centermember P.32-7).
•Clock Spring Installation (Refer to GROUP 52B, Air Bag
Modules and Clock Spring P.52B-194).
•Steering Wheel and Air Bag Module Assembly Installation
(Comfort: refer to GROUP 37, Steering Wheel
P.37-17/Sport: refer to GROUP 37, Steering Wheel P.37-18).•Check the dust covers for cracks or damage by pushing it
with your finger.
•Checking Steering Wheel Position with Wheels Straight
Ahead
•Front Wheel Alignment Check and Adjustment (Refer to P.33-6).
AC006139 AE
49 ± 10 N·m 108 ± 10 N·m
167 ± 9 N·m
167 ± 9 N·m
52 ± 7 N·m* 25 ± 5 N·m
21 ± 4 N·m
18 ± 2 N·m
10
9
4
5 1
2
2
3
7
6
2
11
8
*: 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.