Infiniti G20 (P11). Manual - part 101

FRONT & REAR AXLE

SECTION

AX

CONTENTS

FRONT AXLE ..................................................................2

Precautions ..................................................................2

PRECAUTIONS

.........................................................2

Preparation ..................................................................2

SPECIAL SERVICE TOOLS

........................................2

COMMERCIAL SERVICE TOOLS

................................2

Noise, Vibration and Harshness (NVH)
Troubleshooting ...........................................................3

NVH TROUBLESHOOTING CHART

............................3

On-vehicle Service.......................................................3

FRONT AXLE PARTS

................................................3

FRONT WHEEL BEARING

.........................................3

DRIVE SHAFT

...........................................................4

Wheel Hub and Knuckle..............................................5

COMPONENTS

.........................................................5

REMOVAL

.................................................................5

INSTALLATION

..........................................................6

DISASSEMBLY

..........................................................7

INSPECTION

.............................................................8

ASSEMBLY

...............................................................8

Drive Shaft .................................................................10

COMPONENTS

.......................................................10

REMOVAL

............................................................... 11

INSTALLATION

........................................................12

DISASSEMBLY

........................................................13

INSPECTION

...........................................................15

ASSEMBLY

.............................................................15

Service Data and Specifications (SDS).....................19

DRIVE SHAFT

.........................................................19

WHEEL BEARING (FRONT)

.....................................19

REAR AXLE...................................................................20

Precautions ................................................................20

PRECAUTIONS

.......................................................20

Preparation ................................................................20

COMMERCIAL SERVICE TOOLS

..............................20

Noise, Vibration and Harshness (NVH)
Troubleshooting .........................................................20
On-vehicle Service.....................................................20

REAR AXLE PARTS

.................................................20

REAR WHEEL BEARING

.........................................21

Wheel Hub .................................................................21

COMPONENTS

.......................................................21

REMOVAL

...............................................................21

INSTALLATION

........................................................22

Service Data and Specifications (SDS).....................22

WHEEL BEARING (REAR)

.......................................22

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SU

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SBR686C

Precautions

PRECAUTIONS

NCAX0001

I

When installing rubber parts, final tightening must be car-
ried out under unladen condition* with tires on ground.
*: Fuel, radiator coolant and engine oil full. Spare tire, jack,
hand tools and mats in designated positions.

I

After installing removed suspension parts, check wheel
alignment and adjust if necessary.

I

Use flare nut wrench when removing or installing brake
tubes.

I

Always torque brake lines when installing.

Preparation

SPECIAL SERVICE TOOLS

NCAX0002

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number
(Kent-Moore No.)
Tool name

Description

HT72520000
(J25730-B)
Ball joint remover

NT146

Removing tie-rod outer end and lower ball joint

KV38106700
(J34296)
KV38106800
(J34297)
Differential side oil seal
protector

NT147

Installing drive shaft
LH: KV38106700 (J34296)
RH: KV38106800 (J34297)

COMMERCIAL SERVICE TOOLS

NCAX0003

Tool name

Description

1 Flare nut crowfoot
2 Torque wrench

NT360

Removing and installing each brake piping
a: 10 mm (0.39 in)

FRONT AXLE

Precautions

AX-2

Noise, Vibration and Harshness (NVH)
Troubleshooting

=NCAX0004

NVH TROUBLESHOOTING CHART

NCAX0004S01

Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.

Reference page

—

AX-15

—

AX-5,

21

—

AX-3,

21

—

—

SU-3.

SU-3.

SU-3.

BR-6.

ST

-5.

Possible cause and
SUSPECTED PARTS

Excessive

joint

angle

Joint

sliding

resistance

Imbalance

Improper

installation,

looseness

Parts

interference

Wheel

bearing

damage

DRIVE

SHAFT

AXLE

SUSPENSION

TIRES

ROAD

WHEEL

BRAKES

STEERING

Symptom

DRIVE SHAFT

Noise, Vibration

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

AXLE

Noise

×

×

×

×

×

×

×

×

Shake

×

×

×

×

×

×

×

×

Vibration

×

×

×

×

×

×

Shimmy

×

×

×

×

×

×

×

Judder

×

×

×

×

×

×

Poor quality ride or
handling

×

×

×

×

×

×

×

: Applicable

SMA525A

On-vehicle Service

FRONT AXLE PARTS

NCAX0005

Check front axle and front suspension parts for excessive play,
cracks, wear or other damage.

I

Shake each front wheel to check for excessive play.

I

Make sure that cotter pin is inserted.

I

Retighten all axle and suspension nuts and bolts to the speci-
fied torque.

Tightening torque:

Refer to “FRONT SUSPENSION”, in SU section.

SFA805B

FRONT WHEEL BEARING

NCAX0006

I

Check that wheel bearings operate smoothly.

I

Check axial end play.

Axial end play:

0.05 mm (0.0020 in) or less

If out of specification or wheel bearing does not turn smoothly,
replace wheel bearing assembly.
Refer to “Wheel Hub and Knuckle”, “FRONT AXLE”, AX-5.

GI

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FRONT AXLE

Noise, Vibration and Harshness (NVH) Troubleshooting

AX-3

SFA108A

DRIVE SHAFT

NCAX0007

Check for grease leakage or other damage.

FRONT AXLE

On-vehicle Service (Cont’d)

AX-4