Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti M45 Y34 2003-2004 Approved M45-Y34-2003 fsu
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FRONT SUSPENSION
E SUSPENSION
A
SECTION
FRONT SUSPENSION
FSU B
C
D
FSU
CONTENTS
PRECAUTIONS ......................................................... 2 . INSTALLATION .................................................... 9 . F
Caution .................................................................... 2
. Disassembly and Assembly ................................... 10 .
PREPARATION .......................................................... 3. DISASSEMBLY .................................................. 10 .
Special Service Tools .............................................. 3 . INSPECTION AFTER DISASSEMBLY ............... 10 . G
Commercial Service Tools ....................................... 4 . ASSEMBLY ........................................................ 11 .
NOISE, VIBRATION AND HARSHNESS (NVH) SUSPENSION ARM ................................................. 12 .
TROUBLESHOOTING ............................................... 5 . Removal and Installation ....................................... 12 .
H
NVH Troubleshooting Chart .................................... 5 . REMOVAL .......................................................... 12 .
FRONT SUSPENSION ASSEMBLY .......................... 6 . INSPECTION AFTER REMOVAL ...................... 12 .
On-Vehicle Inspection and Service ......................... 6 . INSTALLATION .................................................. 13 .
INSPECTION OF SUSPENSION ARM BALL STABILIZER BAR .................................................... 14 . I
JOINT END PLAY ................................................ 6 . Removal and Installation ....................................... 14 .
STRUT INSPECTION .......................................... 6 . REMOVAL .......................................................... 14 .
Wheel Alignment Inspection .................................... 6 . INSPECTION AFTER REMOVAL ...................... 14 . J
DESCRIPTION ..................................................... 6 . INSTALLATION .................................................. 14 .
PRELIMINARY INSPECTION .............................. 6 . FRONT SUSPENSION MEMBER ............................ 15 .
INSPECTION OF CAMBER, CASTER AND Removal and Installation ....................................... 15 .
K
KINGPIN INCLINATION ANGLES. ...................... 6 . REMOVAL .......................................................... 15 .
Components ............................................................ 8
. INSPECTION AFTER REMOVAL ...................... 15 .
COIL SPRING AND STRUT ...................................... 9 . INSTALLATION .................................................. 15 .
Removal and Installation ......................................... 9 . SERVICE DATA ....................................................... 16 . L
REMOVAL ............................................................ 9
. Wheel Alignment (Unladen) ................................... 16 .
Ball Joint ................................................................ 16
.
Wheelarch Height (Unladen*) ................................ 16 . M
Revision; 2004 April FSU-1 2003 M45
PRECAUTIONS
PRECAUTIONS PFP:00001
Caution AES0008C
q When installing rubber bushings, final tightening must be carried out under unladen condition with tires on
level ground. Oil will shorten the life of rubber bushings. Be sure to wipe off any spilled oil.
q Unladen condition means that fuel, coolant and lubricant are full. Spare tire, jack, hand tools and mats in
designated positions.
q After servicing suspension parts, be sure to check wheel alignment.
q Caulking nuts are not reusable. Always use new ones when installing. Since new caulking nuts are pre-
oiled, tighten as they are.
Revision; 2004 April FSU-2 2003 M45
PREPARATION
PREPARATION PFP:00002
A
Special Service Tools AES0008D
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
B
(Kent-Moore No.) Description
Tool name
KV991040S0 C
( -- )
CCK gauge attachment
1. Plate
D
2. Guide bolt
3. Nuts
4. Springs
5. Center plate FSU
Measuring wheel alignment
6. KV99104020 Adapter A
a: 72 mm (2.83 in) dia.
7. KV99104030 Adapter B
b: 65 mm (2.56 in) dia. S-NT498 F
8. KV99104040 Adapter C
c: 57 mm (2.24 in) dia.
9. KV99104050 Adapter D
d: 53.4 mm (2.102 in) dia. G
HT72520000
(J 25730-A) H
Ball joint remover
Removing steering outer socket
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: 11.5 mm (0.453 in) I
NT546
J
ST35652000
Disassembling and assembling
( -- )
strut assembly
Strut attachment
K
ZZA0807D
ST3127 S000 L
(See J25742-1)
Preload gauge
1. GG91030000
Measuring sliding torque of ball
Torque wrench (J25765-A) M
joint
2. HT62940000 ( -- )
Socket adapter (1/2)
3. HT62900000 ( -- )
NT124
Socket adapter (3/8)
Revision; 2004 April FSU-3 2003 M45
PREPARATION
Commercial Service Tools AES0008E
Tool name Description
Spring compressor Removing coil spring
S-NT717
q Removing wheel nuts
q Removing brake caliper assembly
Power tool q Removing stabilizer assembly
q Removing tower bar
q Removing undercover
PBIC0190E
Revision; 2004 April FSU-4 2003 M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING PFP:00003
A
NVH Troubleshooting Chart AES0008F
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
B
NVH in RAX and RSU section.
NVH in RFD section.
NVH in RAX section.
NVH in WT section.
NVH in WT section.
NVH in BR section.
NVH in PS section.
NVH in PR section
C
FSU-10
FSU-14
FSU-8
FSU-8
FSU-6
--
--
--
Reference page
D
FSU
REAR AXLE AND REAR SUSPENSION
Strut deformation, damage or deflection
Bushing or mounting deterioration
F
Improper installation, looseness
Incorrect wheel alignment
Suspension looseness
PROPELLER SHAFT
Possible cause and SUSPECTED PARTS G
Stabilizer bar fatigue
Parts interference
DIFFERENTIAL
ROAD WHEEL
DRIVE SHAFT
Spring fatigue
STEERING
H
BRAKES
TIRES
I
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