Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti Q45 FY33 F50 2001-2006 Approved 2003_Q45 fsu
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FRONT SUSPENSION
E SUSPENSION
A
B
SECTION
FRONT SUSPENSION C
D
FSU
CONTENTS
PRECAUTIONS ......................................................... 2 . INSTALLATION .................................................... 8 . F
Caution .................................................................... 2
. Disassembly and Assembly ..................................... 9 .
PREPARATION .......................................................... 3. DISASSEMBLY .................................................... 9 .
Special Service Tools .............................................. 3 . INSPECTION AFTER DISASSEMBLY ............... 10 . G
Commercial Service Tools ....................................... 3 . ASSEMBLY ........................................................ 10 .
NOISE, VIBRATION AND HARSHNESS (NVH) SUSPENSION ARM ................................................. 12 .
TROUBLESHOOTING ............................................... 4 . Removal and Installation ....................................... 12 .
H
NVH Troubleshooting Chart .................................... 4 . REMOVAL .......................................................... 12 .
FRONT SUSPENSION ASSEMBLY .......................... 5 . INSPECTION AFTER REMOVAL ...................... 12 .
Components ............................................................ 5
. INSTALLATION .................................................. 13 .
On-Vehicle Inspection and Service ......................... 6 . STABILIZER BAR .................................................... 14 . I
INSPECTION LOWER BALL 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 .
COIL SPRING AND STRUT ...................................... 8 . INSPECTION AFTER REMOVAL ...................... 15 .
Removal and Installation ......................................... 8 . INSTALLATION .................................................. 15 .
REMOVAL ............................................................ 8
. SERVICE DATA ....................................................... 16 . L
Wheel Alignment (Unladen) ................................... 16 .
Ball Joint ................................................................ 16
.
Wheelarch Height (Unladen*) ................................ 16 . M
Revision; 2004 April FSU-1 2003 Q45
PRECAUTIONS
PRECAUTIONS PFP:00001
Caution EES000TR
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 Q45
PREPARATION
PREPARATION PFP:00002
A
Special Service Tools EES000TS
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 bolts
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
ST3565 2000 H
( -- ) Disassembling and assembling shock absorber
Strut attachment
I
ZZA0807D
ST3127 S000
(See J25742-A) J
Preload gauge
1. GC91030000
Torque wrench (J25765) Measuring sliding torque of ball joint
2. HT62940000 ( -- ) K
Socket adapter (1/2)
3. HT62900000 ( -- )
NT124
Socket adapter (3/8)
L
Commercial Service Tools EES000TT
Tool name Description
M
Spring compressor Removing coil spring
S-NT717
q Removing wheel nuts
q Removing undercover
Power tool
q Removing brake caliper
q Removing stabilizer assembly
PBIC0190E
Revision; 2004 April FSU-3 2003 Q45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING PFP:00003
NVH Troubleshooting Chart EES000TU
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
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.
FSU-10
FSU-14
NVH in PS section.
NVH in PR section
FSU-5
FSU-5
FSU-6
--
--
--
Reference page
REAR AXLE AND REAR SUSPENSION
Strut deformation, damage or deflection
Bushing or mounting deterioration
Improper installation, looseness
Incorrect wheel alignment
Suspension looseness
PROPELLER SHAFT
Possible cause and SUSPECTED PARTS
Stabilizer bar fatigue
Parts interference
DIFFERENTIAL
ROAD WHEEL
DRIVE SHAFT
Spring fatigue
STEERING
BRAKES
TIRES
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