MITSUBISHI SPYDER 1990 Service Repair Manual

FRONT
CONTENTS
COMPRESSION LOWER ARM ANDSHOCK ABSORBER ASSEMBLY.. . . . . . . . 8
LATERAL LOWER ARM ASSEMBLIES . . . . . 11
SPECIAL TOOLS3
GENERAL INFORMATION. . . . . . . . . . . . . . . . . .2
STABILIZER BAR. . . . . . . . . . . . . . . ..*.......14
ON-VEHICLE SERVICE . . . . . . . . . . . . . . . . . . . . . 4
Front Wheel Alignment CheckTROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . 4
and Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4UPPER ARM ASSEMBLY . . . . . . . . . . . . . . . .
. . . 6
SERVICE SPECIFICATIONS . . . . . . . . . . . . . . . . . 3

FRONT SUSPENSION General Information
GENERAL INFORMATION
The front suspension is of a multi-link constructionby mounting the upper arm in a higher position
with two lower arms which create the ideal virtual than the tires, excellent steering stability and ride
kingpin axis for the suspension system. In addition ,comfort are obtained.
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itemsMedium price
High price
Premium price
I
Premium priceHigh price I Low Low ,I
Coil spring
Wire diameter
O.D. free length
1 3 . 1
309.5 315.5 mm3.315 4.890 3.323 4.898
124.2
3.315
I 12.185) 12.421) 12.185)
Identification color White Pink White GravIWhite pink
124.4 315.5
Spring constant 43.0 (246) 43.0 (246)
I
43.0 (246)N/mmI
43.0 (246)
I
Shock absorberstroke118 (4.6) 118(4.6)116 (4.6) 118 (4.6)
Shock Expansion
(Ibs.)1255 16671432 1902(322 528)
absorber 1167 1579(267355)1481 1952 (333 439)
damping force
Contraction471-706(106520
(0.9
Premium price AWD
Coilspring Wire diameter 13.3 84.6 124.6 312.013.5 85.0 125.0
O.D. free length 3.331 4.906 12.283)3.346
mm (in.)
Identification color Green Light blueGreen
Spring constant43.0 (246)
N/mm
Shock absorber stroke mm (in.)118 (4.6)
ShockExpansion (Ibs.)
1432 -1902 (322 428)
absorber
damping force
Contraction530 785 (119 176)
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Medium price Premium pricePremium price
Coil spring Wire diameter 13.5 85.0 125.0 13.6 85.2 125.2 13.8 85.6 125.6
O.D. free length304.5 3.346 309.5 3.354 315.0 3.370
mm (in.) 4.921 11.988)
4.929 12.165)4.945 12.402)
Identification color Cream
PurpleCream RedCream Light blue
Spring constant 43.0 (246) 43.0 (246) 43.0 (246)
N/mm
Shock absorber stroke 118 (4.6) 118 (4.6) 118 (4.6)
ShockExpansion (Ibs.)
1206 1638 (271 368)
absorber
damping force
[atContraction 471 -706 (106 159)
(0.9

FRONT Service
SERVICE SPECIFICATIONS
Standard value
Toe-in mm (in.)Steering angle Inner wheel (0 .
Camber
Outer wheelI
AWD
FWD (Vehicles with wheels)
FWD (Vehicles with wheels), AWD
CasterUpper arm ball joint breakaway torque Nm
0.3 2.5 (3 22)
Compression lower arm ball joint breakaway torque Nm
0.5 2.5 (4 22)
Lateral lower arm ball joint breakaway torque Nm
Stabilizer link ball joint breakaway torque Nm
1.5 (13) or less
SPECIAL TOOLS
Spring compressor
cover installation”
0Ball joint remover and
installer
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FRONT __
TROUBLESHOOTING
, .
SymptomProbable cause
Remedy
Steering wheel is heavy, vibratesSuspension malfunction
or pulls to one side, ,
Ball jointAdjust or replace
Coil spring
Wheel alignment
Unbalanced or worn tires Adjust or replace
Adjust or
Adjust or replace
Excessive vehicle rollingBroken or deteriorated stabilizer
Shock absorber malfunction
Replace
Improper tire inflation pressure
NoiseLack of lubrication
Looseness and wear of each part
.
Broken coil spring
Shock absorber malfunction
Replace
FRONT WHEEL
ADJUSTMENT
Measure wheel alignment with alignment equipment on a
level surface.
The ‘front’ ‘suspension, and should
be serviced to normal to wheel
alignment.
TOE-IN
The suspension wheel be
t o
Standard value: 0 3 mm 0 in.
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FRONT SUSPENSION On-vehicle Service
NOTE .
1.If the toe-in is not standard value, adjust the
toe-in by undoing, the and the left arid
tie rod by the same amount (in opposite direc-
tions).
2. The toe will move out as the is turned
toward the front of the vehicle and the
is turned toward the rear of the vehicle.
STEERING ANGLE
Standard value:
Inner wheel
(AWD)
Outer wheel
(FWD)
(AWD)
CAMBER
Standard value:
(Vehicles with lbinch wheels)
(Vehicles with wheels),AWD
CASTER
Standard value:
NOTE
1.Camber and caster are preset at the’factory and can not
be adjusted.
2. If camber is not within the standard value, chec k
replace bent or damaged parts.
3. For vehicles with aluminum type’ wheels, attach the
camber/caster/kingpin gauge to the drive shaft by ‘using
the special tool. Tighten the special tool, to the same
torque
Nm as drive shaft
nut.
Caution
Never subject the wheel bearings to the load
when the drive shaft nuts are loosened.
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FRONT SUSPENSION Upper Arm .
UPPER ASSEMBLY
REMOVAL AND INSTALLATION
Post-installation OperationFront Wheel Alignment Adjustment(Refer to
5741
Removal steps
1. Upper arm ball joint and knuckleconnection2. Upper arm self-locking nut3. Upper arm assembly
4. Upper arm shaft assembly
Nut
Upper arm shaft
REMOVAL SERVICE ‘POINT
ARM BALL AND
Caution
1.Use the special tool to loosen the
loosen the nut: do not from the
2. the special tool with cord; etc. to prevent
it from coming
INSTALLATION SERVICE POINT
UPPER ARM SHAFT ASSEMBLY INSTALLATION
Install the upper arm shaft assembly at the angle s hown
in the illustration.
NOTE
If the upper arm shaft is installed at the above-me ntioned
angle, the reference dimension is determined as fol lows;
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FRONT SUSPENSION Upper Arm Assembly
A 299.9 mm (11.8 in.)
234.0 mm (9.2 in.)
Ball joint case
00000009
INSPECTION
lCheck the bushings for wear and deterioration.
lCheck the upper arm for bends or damage.
lCheck all bolts for condition and straightness.
IBALL JOINT BREAKAWAY TORQUE CHECK
(1) After shaking the ball joint stud times, install the
nut to the stud and use the special tool to measure the
breakaway torque of the ball joint.
Standard value: Nm (3-22
(2) When the measured value exceeds the standard va lue,
replace the upper arm assembly.
(3) When the measured value is lower than the stand ard
value, check that the ball joint turns smoothly wit hout
excessive play. If so, it is possible to use that b all joint.
BALL DUST COVER CHECK
If there are any cracks in or damage to the dust co ver, replace
the arm assembly.
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F R O N T S U S P E N S I O N Upper Arm . ,
UPPER ARM BALL DUST COVER
REPLACEMENT
Replace the dust cover by the following procedure o nly if
the
has become damaged by accident during
servicing.
(1) Remove the dust cover.
(2) Apply multipurpose grease to the lip and
the
dust cover.
(3) the dust cover with tool until it is fully
.
SHOCK ABSORBER ASSEMBLY
REMOVAL AND INSTALLATION
I,Post-installation OperationFront Wheel Alignment Adjustment
(Refer to
8865
4432
65
Removal steps
1. Stabilizer link mounting nut
2. Shock absorber upper mounting
nuts
5. Damper fork
6. Shock absorber assembly
3. Shock absorber lower mounting
bolt4. Damper fork mounting bolt
Cautionl :Indicates parts which should be tightened,and then fully tightened the veh on the groundin the unladen condition.
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FRONT SUSPENSION Shock Absorber
DISASSEMBLY AND, REASSEMBLY
12
9
- -
Disassembly steps
n u t
Upper bushing A 4. Upper bracket assembly
5. Upper spring pad
6. Collar
1 2 3 7 .
7. Upper bushing 8. assembly . . 10. Dust cover
12. Shock
,
DISASSEMBLY SERVICE POINT
SELF-LOCKING NUT REMOVAL
(1) the coil spring using the special tools.
Caution
1. Install the special tools evenly so that the
maximum length will be attained
the
installation range.
2. Do not use an impact wrench to tighten the specia l
tool bolt.
(2) While holding the piston rod, remove the self-locking nut.
Caution
Do not use an impact wrench to the
tool bolt.
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FRONT SUSPENSION Shock Absorber
Damper foinstallation
of the body
REASSEMBLY. SERVICE
COIL SPRING INSTALLATION
(1) Use the special tools to
the coil spring and
install it to the shock absorber.
Caution
Do not use an impact wrench to tighten the bolt of
the special tool.
(2) Align the edge of the coil spring to the steppe d part of
the shock
spring seat.
UPPER BRACKET ASSEMBLY
so that the position as’
in the illustration with respect the fork installation
bolt.
. SELF-LOCKING NUT . .
( 1 )
(2). the special tools and
tighten the
to- the ,
Caution
Do not use an impact wrench.
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