Mitsubishi Outlander XL. Manual - part 589

GROUP 33

FRONT SUSPENSION

CONTENTS

GENERAL INFORMATION.............

33-2

FASTENER TIGHTENING SPECIFICATIONS
................................

33-2

GENERAL SPECIFICATIONS..........

33-3

SERVICE SPECIFICATIONS..........

33-3

LUBRICANT.......................

33-3

FRONT SUSPENSION DIAGNOSIS......

33-3

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

33-3

FRONT SUSPENSION DIAGNOSIS
TROUBLESHOOTING STRATEGY........

33-3

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

33-4

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

33-4

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

.33-4

INSPECTION PROCEDURE 2: Excessive Body
Rolling...........................

33-4

INSPECTION PROCEDURE 3: Poor Ride
..................................

33-5

INSPECTION PROCEDURE 4: Unequal Ride
Height............................

33-5

INSPECTION PROCEDURE 5: Noise.....

33-5

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

33-6

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

33-7

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

33-7

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

33-8

BALL JOINT DUST COVER CHECK. . . . .

33-8

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

33-9

REMOVAL AND INSTALLATION........

33-9

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

33-10

DISASSEMBLY AND ASSEMBLY.......

33-10

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

33-13

REMOVAL AND INSTALLATION.......

33-13

LOWER ARM CHECK................

33-14

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

33-15

LOWER ARM BUSHING REPLACEMENT
...............................

33-15

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

33-16

REMOVAL AND INSTALLATION.......

33-16

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

33-17

33-1

GENERAL INFORMATION

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The MacPherson strut type suspension is adopted.

CONSTRUCTION DIAGRAM

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Stabilizer bar

Coil spring

Shock absorber

Stabilizer link

Lower arm

Front axle crossmember  
(Flat crossmember)

FASTENER TIGHTENING SPECIFICATIONS

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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 (53 ± 7 ft-lb)

Stabilizer bar
Stabilizer fixture bolt

31 ± 4 N·m (23 ± 3 ft-lb)

Strut assembly to stabilizer link connection nut

39 ± 6 N·m (29 ± 4 ft-lb)

Stabilizer to stabilizer link connection nut

39 ± 6 N·m (29 ± 4 ft-lb)

Strut assembly
Strut assembly self-locking nut

60 ± 9 N·m (45 ± 6 ft-lb)

Strut assembly to body connection nut

45 ± 7 N·m (33 ± 5 ft-lb)

Strut assembly to knuckle connection nut

110 ± 11 N·m (81 ± 8 ft-lb)

Strut assembly to stabilizer link connection nut

39 ± 6 N·m (29 ± 4 ft-lb)

33-2

FRONT SUSPENSION

GENERAL INFORMATION

ITEM

SPECIFICATION

Wheel speed sensor clamp nut

11 ± 2 N·m (98 ± 17 in-lb)

Break hose clamp nut

11 ± 2 N·m (98 ± 17 in-lb)

GENERAL SPECIFICATIONS

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COIL SPRING

ITEM

SPECIFICATION

Wire diameter mm (in.)

14 (0.6)

Average diameter mm (in.)

159 (6.2)

Free length mm (in.)

345 (13.5)

SERVICE SPECIFICATIONS

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ITEM

SPECIFICATION

Toe-in mm (in)

1 ± 2 (0.04 ± 0.09)

Steering angle

Inner wheel

38°40' ± 1°30'

Outer wheel (reference)

32°20’

Camber

0°20' ± 30' (Left/right deviation within 30')

Caster

2°57' ± 30' (Left/right deviation within 30')

Kingpin inclination

12°44' ± 1°30'

Lower arm ball joint breakaway torque N·m (in-lb)

2.2 to 4.1 (19 to 36)

Stabilizer link ball joint turning torque N·m (in-lb)

0.5 to 2.9 (4.4 to 26)

LUBRICANT

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ITEM

SPECIFIED LUBLICANT

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

Stabilizer link ball joint

Inside of dust cover

FRONT SUSPENSION DIAGNOSIS

INTRODUCTION TO FRONT SUSPENSION DIAGNOSIS

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If the front suspension is faulty, the vehicle will not run
straightforward  or  noise  will  occur.  Incorrect  wheel
alignment,  malfunction  of  strut  assembly,  stabilizer

bar,  coil  spring,  or  worn  or  out-of-balance  tires  can
cause these problems.

FRONT SUSPENSION DIAGNOSIS TROUBLESHOOTING STRATEGY

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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.

FRONT SUSPENSION

33-3

GENERAL SPECIFICATIONS

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

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SYMPTOM

INSPECTION
PROCEDURE

REFERENCE PAGE

Steering wheel is heavy, vibrates or pulls to one side

1

 P.33-4

Excessive body rolling

2

 P.33-4

Poor ride

3

 P.33-5

Unequal ride height

4

 P.33-5

Noise

5

 P.33-5

SYMPTOM PROCEDURES

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

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DIAGNOSIS

STEP 1. Check the tires.
Refer to GROUP 31, Diagnosis P.31-2.

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.33-7.

Q:Is the wheel alignment correct?

YES:

 Go to Step 3.

NO:

 Adjust it, 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, 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, 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.

INSPECTION PROCEDURE 2: Excessive Body Rolling

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DIAGNOSIS

STEP 1. Check for broken or deteriorated
stabilizer bar.

Q:Is the stabilizer bar in good condition?

YES:

 Go to Step 2.

NO:

 Replace it, then go to Step 3.

STEP 2. Check the strut assembly for damage.

Q:Is the strut assembly in good condition?

33-4

FRONT SUSPENSION

FRONT SUSPENSION DIAGNOSIS