INFINITI M35 2007 Factory Service Manual

RAX-4
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000FP
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
—
RAX-10—
RAX-8—
NVH in PR section.
NVH in RFD section.
NVH in RAX and RSU sections.
Refer to REAR AXLE in this chart.
NVH in WT section.
NVH in WT section.
Refer to DRIVE SHAFT in this chart.
NVH in BR section.
NVH in PS section.
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
PROPELLER SHAFT
DIFFERENTIAL
REAR AXLE AND REAR SUSPENSION
REAR AXLE
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
SymptomDRIVE
SHAFTNoise×× ×××××× ××
Shake×× ×××××××
REAR
AXLENoise×× ××× ×××××
Shake×××××××××
Vibration×××××××
Shimmy×× ×××××
Judder× × ×× ××
Poor quality ride or handling×× × ××

WHEEL HUB
RAX-5
C
E
F
G
H
I
J
K
L
MA
B
RAX
Revision: 2007 April2007 M35/M45
WHEEL HUBPFP:43202
On-Vehicle Inspection NDS000FQ
Make sure the mounting conditions (looseness, back lash) of each component and component conditions
(wear, damage) are normal.
WHEEL BEARING INSPECTION

Move wheel hub and bearing assembly in the axial direction by hand. Make sure there is no looseness of
wheel bearing.

Rotate wheel hub, and make sure that is no unusual noise or other irregular conditions. If there is any of
irregular conditions, replace wheel hub and bearing assembly.
Removal and InstallationNDS000FR
COMPONENT
REMOVAL
Wheel Hub and Bearing Assembly
1. Remove tires from vehicle with a power tool.
2. Remove rear brake caliper with a power tool. Hang it in a place where it will not interfere with work. Refer
to BR-30, "
Removal and Installation of Brake Caliper Assembly" .
CAUTION:
Do not depress brake pedal while brake caliper is removed.
3. Put matching mark on disc rotor and the wheel hub and bearing
assembly then removing disc rotor.
4. Remove cotter pin, then loosen hub lock nut with a power tool.Axial end play : 0.05 mm (0.002 in) or less
1. Axle housing 2. Ball seat 3. Bushing
4. Back plate 5. Anchor block 6. Wheel hub and bearing assembly
7. Cotter pin
Refer to GI-11, "
Components" , for the symbols in the figure.
SDIA3251E
SDIA2638E

RAX-6
WHEEL HUB
Revision: 2007 April2007 M35/M45
5. Separate the wheel hub and bearing assembly from drive shaft
by lightly tapping the end with a hammer (suitable tool) and
wood block, and then remove hub lock nut.
CAUTION:

Do not place drive shaft joint at an extreme angle. Also be
careful not to overextend slide joint.

Do not allow drive shaft to hang down without support for
housing (or joint sub-assembly), shaft and other parts.
NOTE:
Use a puller (suitable tool), if the wheel hub and bearing assem-
bly and drive shaft cannot be separated even after performing
the above procedure.
6. Remove the wheel hub and bearing assembly mounting bolts.
7. Remove the wheel hub and bearing assembly.
Axle Housing
1. Refer to the procedure from 1 to 5 in “Wheel Hub and Bearing Assembly”. RAX-5, "REMOVAL" .
2. Remove parking brake shoe and parking brake cable from back plate. Refer to PB-6, "
PARKING BRAKE
SHOE" , Refer to PB-4, "PARKING BRAKE CONTROL" .
3. Remove coil spring. Refer to RSU-16, "
REAR LOWER LINK & COIL SPRING" .
4. Remove mounting bolt and nut in axle side of shock absorber with a power tool.
5. Remove axle side nuts and bolts on radius rod and front lower link with a power tool. Refer to RSU-14,
"RADIUS ROD" , RSU-15, "FRONT LOWER LINK" .
6. Remove cotter pin, then loosen suspension arm mounting nut of axle housing.
7. Remove suspension arm from axle housing so as not to damage ball joint boot using ball joint remover
(suitable tool), and then remove axle housing from the vehicle.
CAUTION:

Temporarily tighten nuts to prevent damage to threads and to prevent ball joint remover (suit-
able tool) from coming off.

Do not place drive shaft joint at an extreme angle. Also be careful not to overextend slide joint.

Do not allow drive shaft to hang down without support for counterpart such as joint sub-assem-
bly, and other parts.
8. Remove the wheel hub and bearing assembly from axle housing.
9. Remove anchor block mounting nuts, and then remove anchor block and back plate from axle housing.
INSPECTION AFTER REMOVAL
Wheel Hub and Bearing Assembly
Check the wheel hub and bearing assembly for wear, cracks, and damage. Replace if there are.
Axle Housing
Check axle housing for wear, cracks, and damage. Replace if there are.
Ball Joint Inspection
Check for boot breakage, axial looseness, and torque of suspension arm ball joint. Refer to RSU-12, "SUS-
PENSION ARM" .
INSTALLATION
Wheel Hub and Bearing Assembly

Installation is the reverse order of removal. For tightening torque refer to RAX-5, "COMPONENT" .
CAUTION:
Do not reuse non-reusable parts.
SDIA1821E

WHEEL HUB
RAX-7
C
E
F
G
H
I
J
K
L
MA
B
RAX
Revision: 2007 April2007 M35/M45

Assemble disc rotor and the wheel hub and bearing assembly
by aligning each matching mark as shown in the figure when
installing disc rotor.
Axle Housing

Installation is the reverse order of removal. For tightening torque refer to RAX-5, "COMPONENT" .
CAUTION:
Do not reuse non-reusable parts.

Assemble disc rotor and the wheel hub and bearing assembly
by aligning each matching mark as shown in the figure when
installing disc rotor.

Perform final tightening of nuts and bolts on each link mounting
part (rubber bushing) under unladen conditions with tires on
level ground. Check wheel alignment. Refer to RSU-5, "
Wheel
Alignment Inspection" .

Adjust neutral position of steering angle sensor after checking
wheel alignment. Refer to BRC-6, "
ON-VEHICLE SERVICE" .
SDIA2638E
SDIA2638E

RAX-8
REAR DRIVE SHAFT
Revision: 2007 April2007 M35/M45
REAR DRIVE SHAFTPFP:39600
Removal and InstallationNDS000FS
COMPONENT
VQ35DE model
VK45DE model
REMOVAL
1. Remove tires from vehicle with a power tool.
2. Remove cotter pin, then loosen hub lock nut with a power tool.
3. Remove stabilizer connecting rod mounting bracket fixing bolt and free stabilizer connecting rod. Refer to
RSU-7, "
Components" .
4. Separate the wheel hub and bearing assembly from drive shaft
by lightly tapping the end with a suitable tool hammer and wood
block, and then remove hub lock nut.
CAUTION:

Do not place drive shaft joint at an extreme angle. Also be
careful not to overextend slide joint.

Do not allow drive shaft to hang down without support for
counterpart such as joint sub-assembly, and other parts.
NOTE:
Using a puller (suitable tool) if the wheel hub and bearing
assembly and drive shaft cannot be separated even after per-
forming the above procedure.
5. Remove mounting bolts between side flange and drive shaft with a power tool.
INSPECTION AFTER REMOVAL

Move joint up/down, left/right, and in the axial direction. Check for any rough movement or significant
looseness.
SDIA3294E
1. Side flange 2. Drive shaft 3. Cotter pin
Refer to GI-11, "
Components" , for the symbols in the figure.
SDIA3248E
1. Side flange 2. Drive shaft 3. Cotter pin
Refer to GI-11, "
Components" , for the symbols in the figure.
SDIA1821E

REAR DRIVE SHAFT
RAX-9
C
E
F
G
H
I
J
K
L
MA
B
RAX
Revision: 2007 April2007 M35/M45

Check boot for cracks or other damage, and also for grease
leakage.

If a malfunction is found, disassemble drive shaft, and then
replace with new one.
INSTALLATION
Installation is the reverse order of removal. For tightening torque. Refer to RAX-8, "COMPONENT" .
CAUTION:
Do not reuse non-reusable parts.
Disassembly and AssemblyNDS000FT
COMPONENT
DISASSEMBLY
Final Drive Side
1. Place shaft in a vise.
CAUTION:
When retaining shaft in a vise, always use copper or aluminum plates between vise and shaft.
2. Remove boot bands, and then remove boot from housing.
3. If plug needs to be removed, move boot to wheel side, and take it out with a plastic hammer.
4. Put matching marks on housing and shaft.
CAUTION:
Use paint or similar substance for matching marks. Do not scratch the surface.
RAA0030D
1. Plug 2. Housing 3. Snap ring
4. Ball cage, steel ball and Inner race
assembly5. Stopper ring 6. Boot band
7. Boot 8. Shaft 9. Circular clip
10. Joint sub-assembly 11. Dust shield
Refer to GI-11, "
Components" and the followings for symbols in the figure.
: NISSAN genuine grease or equivalent
SDIA3029J

RAX-10
REAR DRIVE SHAFT
Revision: 2007 April2007 M35/M45
5. Remove stopper ring with a flat-bladed screwdriver, and pull out
housing.
6. Put matching marks on ball cage, steel ball and Inner race assembly and shaft.
CAUTION:
Use paint or similar substance for matching marks. Do not scratch the surface.
7. Remove snap ring, then remove ball cage, steel ball and Inner
race assembly from shaft.
8. Remove boot from shaft.
9. Remove old grease on housing with paper towels.
Wheel Side
1. Remove dust shield from drive shaft.
2. Place shaft in a vise.
CAUTION:
When retaining shaft in a vise, always use copper or aluminum plates between vise and shaft.
3. Remove boot bands. Then remove boot from joint sub-assembly.
4. Screw a drive shaft puller 30 mm (1.18 in) or more into threaded
part of joint sub-assembly. Pull joint sub-assembly out of shaft.
CAUTION:

If joint sub-assembly cannot be removed after five or
more unsuccessful attempts, replace shaft and joint sub
assembly as a set.

Align sliding hammer and drive shaft and remove them
by pulling directory.
5. Remove boot from shaft.
6. Remove circular clip from shaft.
7. While rotating ball cage, remove old grease on joint sub-assem-
bly with paper towels.
INSPECTION AFTER DISASSEMBLY
Shaft
Replace shaft if there is any runout, cracking, or other damage.
Joint Sub-Assembly (Wheel Side)

Check joint sub-assembly for rough rotation and excessive axial looseness.

Check the inside of the joint sub-assembly for entry of foreign material.

Check joint sub-assembly for compression scars, cracks, and fractures inside of joint sub-assembly.
Replace joint sub-assembly if there are any non-standard conditions of components
SRA249A
SFA514A
SDIA0606E

REAR DRIVE SHAFT
RAX-11
C
E
F
G
H
I
J
K
L
MA
B
RAX
Revision: 2007 April2007 M35/M45
CAUTION:
If there are any irregular conditions of joint sub-assembly components, replace the entire joint sub-
assembly.
Final Drive Side

Make sure there are compression scars, cracks, fractures or unusual wear of ball rolling surface.

Make sure there is no damage to shaft screws.

Make sure there is no deformation of boot installation parts.
Ball Cage
Make sure there are compression scars, cracks, fractures of sliding surface.
Steel Ball
Make sure there are compression scars, cracks, fractures or unusual wear.
Inner Race

Check ball sliding surface for compression scars, cracks or fractures.

Make sure there is no damage to serrated part.
CAUTION:
If there are any irregular conditions in the component, replace with a new set of housing and the
ball cage, steel ball and inner race assembly.
ASSEMBLY
Final Drive Side
1. If plug has been removed, use a drift [SST] to press in a new
one.
CAUTION:
Do not reuse plug.
2. Wrap serrated part of shaft with tape. Install boot band and boot
to shaft. Be careful not to damage boot.
CAUTION:
Do not reuse boot band and boot.
3. Remove protective tape wrapped around serrated part of shaft.
4. Install ball cage, steel ball and inner race assembly to shaft, and
secure them tightly with a snap ring.
CAUTION:
Do not reuse snap ring.
NOTE:
Align matching marks painted when ball cage, steel ball and
inner race assembly were removed.
SDIA1153E
SFA800
SDIA1125E

RAX-12
REAR DRIVE SHAFT
Revision: 2007 April2007 M35/M45
5. Apply the specified amount of grease (NISSAN genuine grease
or equivalent) onto housing (* point) and install it to shaft.
NOTE:
Align matching marks painted when housing were removed.
6. Install stopper ring to housing.
7. After installed, pull shaft to check engagement between joint sub-assembly and stopper ring.
8. Install boot securely into grooves (indicated by *marks) shown in
the figure.
CAUTION:
If there is grease on boot mounting surfaces (indicated by*
marks) of shaft and housing, boot may come off. Remove
all grease from the surfaces.
9. Make sure boot installation length “L” is the length indicated
below. Insert a flat-bladed screwdriver or similar tool into inside
of boot from the large diameter side of boot. Bleed air from boot
to prevent boot deformation.
CAUTION:

Boot may break if boot installation length is less than standard value.

Take care not to touch the tip of screwdriver to inside of boot.
10. Secure large and small ends of boot with new boot bands as
shown in the figure.
CAUTION:
Do not reuse boot band.
11. After installing housing and shaft, rotate boot to check whether
or not the actual position is correct. If boot position is not correct,
secure boot with new boot band again.
Wheel Side
1. Apply the specified amount of grease (NISSAN genuine grease
or equivalent) into joint sub-assembly serration hole until grease
begins to ooze from ball groove and serration hole. After apply-
ing grease, use a shop cloth to wipe off old grease that has
oozed out.Grease amount
VQ35DE model : Refer to RAX-14, "
Drive Shaft
(VQ35DE model)" .
VK45DE model : Refer toRAX-14, "
Drive Shaft
(VK45DE model)" .
Boot installation Length “L ”
VQ35DE model : Refer to RAX-14, "
Drive Shaft
(VQ35DE model)" .
VK45DE model : Refer to RAX-14, "
Drive Shaft
(VK45DE model)" .
RAC0678D
SDIA3249E
SFA395
SDIA1127E

REAR DRIVE SHAFT
RAX-13
C
E
F
G
H
I
J
K
L
MA
B
RAX
Revision: 2007 April2007 M35/M45
2. Wrap serrated part of shaft with tape. Install boot band and boot
to shaft. Be careful not to damage boot.
CAUTION:
Do not reuse boot band and boot.
3. Remove protective tape wrapped around serrated part of shaft.
4. Attach circular clip to shaft. At this time, circular clip must fit
securely into shaft groove. Attach nut to joint sub-assembly.
Use a wooden hammer to press-fit.
CAUTION:
Do not reuse circular clip.
5. Apply the specified amount of grease (NISSAN genuine grease
or equivalent) into housing from large end of boot.
6. Install boot securely into grooves (indicated by *marks) shown in
the figure.
CAUTION:
If there is grease on boot mounting surfaces (indicated by *
marks) of shaft and housing, boot may come off. Remove
all grease from the surfaces.
7. Make sure boot installation length “L” is the length indicated
below. Insert a flat-bladed screwdriver or similar tool into inside
of boot from the large diameter side of the boot. Bleed air from
boot to prevent boot deformation.
CAUTION:

Boot may brake if boot installation length is less than standard value.

Be careful that screwdriver tip does not contact inside surface of boot.
8. Secure large and small ends of boot with new boot bands as
shown in the figure.
CAUTION:
Do not reuse boot band.
9. After installing joint sub-assembly and shaft, rotate boot to check
whether or not the actual position is correct. If boot position is
not correct, secure boot with new boot bands again.
10. Install dust shield to drive shaft.
CAUTION:
Do not reuse dust shield.
SFA800
Grease amount
VQ35DE model : Refer to RAX-14, "
Drive Shaft
(VQ35DE model)" .
VK45DE model : Refer to RAX-14, "
Drive Shaft
(VK45DE model)" .
RAC0049D
Boot installation Length “L ”
VQ35DE model : Refer to RAX-14, "
Drive Shaft
(VQ35DE model)" .
VK45DE model : Refer to RAX-14, "
Drive Shaft
(VK45DE model)" .
SDIA3250E
SFA395