Mitsubishi Lancer Evolution X. Manual - part 217

 

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Mitsubishi Lancer Evolution X. Manual - part 217

 

 

33-1

GROUP 33

FRONT 

SUSPENSION

CONTENTS

GENERAL INFORMATION . . . . . . . .

33-2

FASTENER TIGHTENING  

SPECIFICATIONS . . . . . . . . . . . . . . .

33-2

GENERAL SPECIFICATIONS . . . . . .

33-3

SERVICE SPECIFICATIONS. . . . . . .

33-3

LUBRICANTS  . . . . . . . . . . . . . . . . . .

33-3

FRONT SUSPENSION DIAGNOSIS .

33-4

INTRODUCTION TO FRONT SUSPENSION 
DIAGNOSIS  . . . . . . . . . . . . . . . . . . . . . . . . 

33-4

FRONT SUSPENSION DIAGNOSIS 
TROUBLESHOOTING STRATEGY . . . . . . 

33-4

SYMPTOM CHART. . . . . . . . . . . . . . . . . . . 

33-4

SYMPTOM PROCEDURES . . . . . . . . . . . . 

33-4

SPECIAL TOOLS. . . . . . . . . . . . . . . .

33-7

ON-VEHICLE SERVICE . . . . . . . . . . .

33-8

FRONT WHEEL ALIGNMENT CHECK AND 
ADJUSTMENT  . . . . . . . . . . . . . . . . . . . . . . 

33-8

LOWER ARM BALL JOINT END PLAY  
CHECK  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

33-9

BALL JOINT DUST COVER CHECK  . . . . . 

33-9

STRUT ASSEMBLY . . . . . . . . . . . . . .

33-10

REMOVAL AND INSTALLATION  . . . . . . . . 

33-10

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 

33-11

DISASSEMBLY AND ASSEMBLY  . . . . . . . 

33-11

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 

33-14

LOWER ARM  . . . . . . . . . . . . . . . . . . .

33-15

REMOVAL AND INSTALLATION  . . . . . . . . 

33-15

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 

33-16

LOWER ARM BALL JOINT DUST COVER 
REPLACEMENT . . . . . . . . . . . . . . . . . . . . . 

33-16

STABILIZER BAR. . . . . . . . . . . . . . . .

33-17

REMOVAL AND INSTALLATION  . . . . . . . . 

33-17

INSPECTION. . . . . . . . . . . . . . . . . . . . . . . . 

33-18

GENERAL INFORMATION

TSB Revision

FRONT SUSPENSION

33-2

GENERAL INFORMATION

M1332000101198

The MacPherson strut type suspension is adopted.

CONSTRUCTION DIAGRAM

FASTENER TIGHTENING SPECIFICATIONS

M1332008500391

AC703648 AC

Strut assembly

Stabilizer bar

Stabilizer link

Coil spring

Lower arm

Front axle crossmember

Crossmember brace

Lower brace bar 

Item

Specification

Lower arm assembly
Lower arm to crossmember connection bolt (Front)

110 ± 11 N⋅ m (81 ± 8 ft-lb)

Lower arm to crossmember connection nut (Rear)

110 ± 11 N⋅ m (81 ± 8 ft-lb)

Lower arm to knuckle connection nut

71 ± 10 N⋅ m (52 ± 7 ft-lb)

Lower arm to stabilizer link bracket connection bolt

39 ± 5 N⋅ m (29 ± 4 ft-lb)

Stabilizer bar
Stabilizer fixture bolt

31 ± 4 N⋅ m (23 ± 3 ft-lb)

Stabilizer bracket and Lower arm assembly connection bolt

39 ± 5 N⋅ m (29 ± 4 ft-lb)

Stabilizer bar to stabilizer link connection nut

39 ± 6 N⋅ m (29 ± 4 ft-lb)

Stabilizer bracket to stabilizer link connection nut

39 ± 6 N⋅ m (29 ± 4 ft-lb)

GENERAL SPECIFICATIONS

TSB Revision

FRONT SUSPENSION

33-3

GENERAL SPECIFICATIONS

M1332000200460

COIL SPRING

NOTE: 

*

: Optional

SERVICE SPECIFICATIONS

M1332000301578

LUBRICANTS

M1333000400047

Strut assembly
Strut nut (jam nut)

61 ± 9 N⋅ m (45 ± 6 ft-lb)

Strut mounting nut

45 ± 7 N⋅ m (33 ± 5 ft-lb)

Knuckle and strut connection nut

110 ± 11 N⋅ m (81 ± 8 ft-lb)

Break hose bracket and strut assembly connection nut

13 ± 2 N⋅ m (115 ± 17 in-lb)

Item

Specification

Item

GSR

MR

M/T

TC-SST

Wire diameter mm (in)

14 (0.55), 15 (0.59)*

14 (0.55), 15 (0.59)*

15

Mean diameter of coil mm (in)

121 − 159 (4.8 − 6.3), 

120 − 160 (4.7 − 6.3)*

121 − 159 (4.8 − 6.3), 

120 − 160 (4.7 − 6.3)*

120 − 160 (4.7 − 6.3)

Free length mm (in)

286 (11.3), 287 (11.3)* 291 (11.5), 292 (11.5)* 292 (11.5)

Item

Specification

Toe-in mm (in)

0 ± 2 (0 ± 0.08)

Camber

− 1° 00' ± 0° 30' (Left/right deviation within 

0° 30')

Caster

4°  25' ± 0° 30' (Left/right deviation within 

0° 30')

Kingpin inclination

13° 50' ± 1° 30'

Lower arm ball joint rotation starting torque N⋅ m (in-lb)

1.5 − 3.4 (13 − 29)

Stabilizer link ball joint 
rotation torque N⋅ m (in-lb)

Within 10 to 30° C (50 to 86° F) 0.2 − 2.0 (1.8 − 18)
Not within 10 to 30° C (50 to 

86° F)

{0.2 − 5.0 (1.8 − 44)

Item

Specified lubricant

Quantity

Lower arm ball joint

Lip portion of dust cover

Multipurpose grease SAE J310, 
NLGI No.2 or equivalent

As required

Inside of dust cover

9.0 ± 1.0g (0.32 ± 

0.04oz)

Strut upper insulator

Shell Retinax Grease CL0 or 
equivalent

As required

FRONT SUSPENSION DIAGNOSIS

TSB Revision

FRONT SUSPENSION

33-4

FRONT SUSPENSION DIAGNOSIS

INTRODUCTION TO FRONT SUSPENSION DIAGNOSIS

M1332009000281

If the front suspension is faulty, the vehicle will not 
run straightforward or noise will occur. Incorrect 
wheel alignment, malfunction of strut assembly, sta-
bilizer bar, coil spring, or worn or out-of-balance tires 
can cause these problems.

FRONT SUSPENSION DIAGNOSIS TROUBLESHOOTING STRATEGY

M1332009100277

Use these steps to plan your diagnostic strategy. If 
you follow them carefully, you will be sure that you 
have exhausted most of the possible ways to find a 
front suspension fault.
1. Gather information from the customer.

2. Verify that the condition described by the 

customer exists.

3. Find and repair the malfunction by following the 

Symptom Chart and Symptom Procedures.

4. Verify malfunction is eliminated.

SYMPTOM CHART

M1332009400319

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: Steering Wheel Is Heavy, Vibrates or Pulls to One Side

DIAGNOSIS

STEP 1. Check the tires.
Refer to GROUP 31, Diagnosis 

P.31-3

.

Q: Are the tires in normal condition?

YES : 

Replace the tires as necessary, then go to 

Step 2.

NO : 

If out of balance, balance the tires as 
necessary. If excessively worn, replace the 
tires as necessary and go to Step 5.

STEP 2. Check the wheel alignment.
Refer to 

P.33-8

.

Q: Is the wheel alignment correct?

YES : 

Go to Step 3.

NO : 

Adjust it (Refer to 

P.33-8

), then go to Step 5.

STEP 3. Check the lower arm ball joint.

Q: Is the ball joint in good condition?

YES : 

Go to Step 4.

NO : 

Replace the lower arm assembly (Refer to 

P.33-15

), then go to Step 5 .

STEP 4. Check the coil spring.

Q: Is the coil spring in good condition?

YES : 

Go to Step 5.

NO : 

Replace it (Refer to 

P.33-11

), then go to 

Step 5.

STEP 5. Retest the system.

Q: Is the malfunction eliminated?

YES : 

The procedure is complete.

NO : 

Return to Step 1.

Symptom

Inspection 
procedure

Reference page

Steering wheel is heavy, vibrates or pulls to one side

1

 

P.33-4

Excessive body rolling

2

 

P.33-5

Poor ride

3

 

P.33-5

Unequal ride height

4

 

P.33-5

Noise

5

 

P.33-6

 

 

 

 

 

 

 

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