Infiniti M45 (Y34). Manual - part 557

FRONT SUSPENSION MEMBER

FSU-15

C

D

F

G

H

I

J

K

L

M

A

B

FSU

FRONT SUSPENSION MEMBER

PFP:54401

Removal and Installation

AES0008N

REMOVAL

1.

Set engine slinger to engine, then suspend an engine.

2.

Remove tire with power tool.

3.

Remove undercover with power tool.

4.

Remove steering hydraulic piping bracket from front suspension member. Refer to 

PS-31, "HYDRAULIC

LINE"

 .

5.

Remove steering gear from front suspension member and hang steering gear on vehicle. Refer to 

PS-13,

"POWER STEERING GEAR AND LINKAGE"

 .

6.

Remove suspension arm from front suspension member. Refer to 

FSU-12, "SUSPENSION ARM"

 .

7.

Remove stabilizer bar mounting bolts and nuts from front suspension member and hang stabilizer on vehi-
cle with power tool. Refer to 

FSU-14, "STABILIZER BAR"

 .

8.

Set jack under front suspension member.

9.

Remove mounting bolts and nuts of member stay, then remove member stay from vehicle.

10. Remove fixing nuts between engine mounting insulator and front suspension member. Refer to 

EM-76,

"ENGINE ASSEMBLY"

 .

11. Remove front suspension member fixing nuts from body. 

12. Slowly down jack to remove front suspension member from vehicle.

INSPECTION AFTER REMOVAL

Check front suspension member for deformed parts, cracks, or any other damage. Replace if necessary.

INSTALLATION

●

Refer to 

FSU-8, "Components"

  for tightening torque. Tighten in the reverse order of removal.

CAUTION:

Refer to component parts location and do not reuse non-reusable parts.

●

Perform final tightening of each part under unladen conditions with tires on ground. Check wheel align-
ment. Refer to 

FSU-6, "Wheel Alignment Inspection"

 .

FSU-16

SERVICE DATA

SERVICE DATA

PFP:00030

Wheel Alignment (Unladen)

AES0008O

Ball Joint

AES0008P

Wheelarch Height (Unladen*)

AES0008Q

*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.

Camber
Degree minute (Decimal degree)

Minimum

−

1

°

25

′

 (

−

1.42

°

)

Nominal

−

 0

°

40

′

 (

−

 0.67

°

)

Maximum

0

°

05

′

 (0.08

°

)

Left and right difference

45

′

 (0.75

°

) or less

Caster
Degree minute (Decimal degree)

Minimum

5

°

50

′

 (5.83

°

)

Nominal

6

°

35

′

 (6.58

°

)

Maximum

7

°

20

′

 (7.33

°

)

Left and right difference

45

′

 (0.75

°

) or less

Kingpin inclination
Degree minute (Decimal degree)

Minimum

12

°

40

′

 (12.67

°

)

Nominal

13

°

25

′

 (13.42

°

)

Maximum

14

°

10

′

 (14.17

°

)

Total toe-in

Distance (A - B)

Minimum

1 mm (0.04 in)

Nominal

2 mm (0.08 in)

Maximum

3 mm (0.12 in)

Angle (left plus right)
Degree minute (Degree)

Minimum

2

′

 (0.03

°

)

Nominal

5

′

 (0.08

°

)

Maximum

8

′

 (0.13

°

)

Axial end play

0 mm (0 in)

Swing torque

0.5 - 3.4 N·m (0.06 - 0.34 kg-m, 5 - 30 in-lb)

Measurement on spring balance (cotter pinhole position)

8.8 - 59.6 N (0.90 - 6.08 kg, 1.98 - 13.41 lb)

Rotating torque

0.5 - 3.4 N·m (0.06 - 0.34 kg-m, 5 - 30 in-lb)

 

Applied model

235/45R18

P235/45R18

Front (Hf)

711 mm (27.99 in) [USA model]

712 mm (28.03 in) [Canada model]

Rear (Hr)

706 mm (27.79 in) [USA model]

707 mm (27.83 in) [Canada model]

SFA818A

A
B
C
D

E

F

G

H

I

J

K

M

L

QUICK REFERENCE INDEX

 

A GENERAL INFORMATION

GI

General Information

B ENGINE

EM

Engine Mechanical

LU

Engine Lubrication System

CO

Engine Cooling System

EC

Engine Control System

FL

Fuel System

EX

Exhaust System

ACC

Accelerator Control System

C TRANSMISSION/

TRANSAXLE

AT

Automatic Transmission

D DRIVELINE/AXLE

PR

Propeller Shaft

RFD

Rear Final Drive

FAX

Front Axle

RAX

Rear Axle

E SUSPENSION

FSU

Front Suspension

RSU

Rear Suspension

WT

Road Wheels & Tires

F BRAKES

BR

Brake System

PB

Parking Brake System

BRC

Brake Control System

G STEERING

PS

Power Steering System

STC

Steering Control System

H RESTRAINTS

SB

Seat Belts

SRS

Supplemental Restraint System 
(SRS)

I BODY

BL

Body, Lock & Security System

GW

Glasses, Window System & Mir-
rors

RF

Roof

EI

Exterior & Interior

IP

Instrument Panel

SE

Seat

J AIR CONDITIONER

ATC

Automatic Air Conditioner

K ELECTRICAL

SC

Starting & Charging System

LT

Lighting System

DI

Driver Information System

WW

Wiper, Washer & Horn

LAN

LAN System

AV

Audio, Visual,Navigation & Tele-
phone System

ACS

Auto Cruise Control System

PG

Power Supply, Ground & Circuit Ele-
ments

L MAINTENANCE

MA

Maintenance

M INDEX

IDX

Alphabetical Index

All rights reserved. No part of this Service Manual may be reproduced or stored in a retrieval system, or 
transmitted in any form, or by any means, electronic, mechanical, recording or otherwise, without the prior 
written permission of Nissan Motor Company Ltd., Tokyo, Japan.

FOREWORD

This manual contains maintenance and repair procedure for the 2004 
INFINITI M45.

In order to assure your safety and the efficient functioning of the vehicle, 
this manual should be read thoroughly. It is especially important that the 
PRECAUTIONS in the GI section be completely understood before starting 
any repair task. 

All information in this manual is based on the latest product information
at the time of publication. The right is reserved to make changes in specifi-
cations and methods at any time without notice.

IMPORTANT SAFETY NOTICE

The proper performance of service is essential for both the safety of
the technician and the efficient functioning of the vehicle.
The service methods in this Service Manual are described in such a
manner that the service may be performed safely and accurately.
Service varies with the procedures used, the skills of the technician
and the tools and parts available. Accordingly, anyone using service
procedures, tools or parts which are not specifically recommended
by NISSAN must first be completely satisfied that neither personal
safety nor the vehicle’s safety will be jeopardized by the service
method selected.