brakes INFINITI M35 2007 Factory User Guide

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
FSU-5
[2WD]
C
D
F
G
H
I
J
K
L
MA
B
FSU
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNES000I9
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
FSU-8FSU-12
—
—
—
FSU-8FSU-6FSU-18
NVH in PR section
NVH in FAX and FSU section
NVH in WT section
NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Strut deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
FRONT AXLE AND FRONT SUSPENSION
ROAD WHEEL
BRAKES
STEERING
Symptom FRONT SUSPENSIONNoise×××××× ×××××
Shake×××× × ×××××
Vibration××××× ×× ×
Shimmy×××× × ××××
Judder××× ××××
Poor quality ride or han-
dling××××× ×× ××

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
FSU-23
[AWD]
C
D
F
G
H
I
J
K
L
MA
B
FSU
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNES000IP
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
FSU-26FSU-30
—
—
—
FSU-26
FSU-24FSU-36
NVH in PR section
NVH in RFD section
NVH in FAX and FSU section
NVH in WT section
NVH in FAX section
NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Strut deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom FRONT SUSPENSIONNoise×××××× ×××××××
Shake×××× × × ×××××
Vibration××××× × × × ×
Shimmy×××× × ×× ××
Judder××× ×× ××
Poor quality ride or handling××××× ×× ××

GENERAL MAINTENANCE
MA-5
C
D
E
F
G
H
I
J
K
MA
B
MA
Revision: 2007 April2007 M35/M45
INSIDE THE VEHICLE
The maintenance items listed here should be checked on a regular basis, such as when performing periodic maintenance, cleaning the
vehicle, etc.
UNDER THE HOOD AND VEHICLE
The maintenance items listed here should be checked periodically (e.g. each time you check the engine oil or refuel).ItemReference page
Warning lamps and
chimesMake sure that all warning lamps and chimes are operating properly. —
Windshield wiper and
washerCheck that the wipers and washer operate properly and that the wipers do not
streak.—
Windshield defrosterCheck that the air comes out of the defroster outlets properly and in sufficient
quantity when operating the heater or air conditioner.—
Steering wheelCheck that it has the specified play. Be sure to check for changes in the steer-
ing condition, such as excessive play, hard steering or strange noises.
Free play: Less than 35 mm (1.38 in)—
SeatsCheck seat position controls such as seat adjusters, seatback recliner, etc. to
make sure they operate smoothly and that all latches lock securely in every
position. Check that the head restrains move up and down smoothly and that
the locks (if equipped) hold securely in all latched positions. Check that the
latches lock securely for folding-down rear seatbacks.—
Seat beltsCheck that all parts of the seat belt system (e.g. buckles, anchors, adjusters
and retractors) operate properly and smoothly, and are installed securely.
Check the belt webbing for cuts, fraying, wear or damage.MA-39
Accelerator pedalCheck the pedal for smooth operation and make sure the pedal does not catch
or require uneven effort. Keep the floor mats away from the pedal.—
BrakesCheck that the brake does not pull the vehicle to one side when applied. —
Brake pedal and
boosterCheck the pedal for smooth operation and make sure it has the proper dis-
tance under it when depressed fully. Check the brake booster function. Be
sure to keep the floor mats away from the pedal.BR-6
, BR-17
Parking brakeCheck that the pedal has the proper travel and make sure that the vehicle is
held securely on a fairly steep hill when only the parking brake is applied.PB-3
Automatic transmis-
sion “Park” mecha-
nismCheck that the lock release button on the selector lever operates properly and
smoothly. On a fairly steep hill check that the vehicle is held securely with the
selector lever in the P (Park) position without applying any brakes.—
ItemReference page
Windshield washer
fluidCheck that there is adequate fluid in the tank. —
Engine coolant levelCheck the coolant level when the engine is cold.MA-15
, MA-22
Radiator and hosesCheck the front of the radiator and clean off any dirt, insects, leaves, etc., that
may have accumulated. Make sure the hoses have no cracks, deformation,
deterioration or loose connections.—
Brake fluid levelMake sure that the brake fluid level is between the “MAX” and “MIN” lines on
the reservoir.MA-35

BatteryCheck the fluid level in each cell. It should be between the “MAX” and “MIN”
lines. Vehicles operated in high temperatures or under severe conditions
require frequent checks of the battery fluid level.SC-4
Engine drive beltsMake sure that no belt is frayed, worn, cracked or oily.MA-14, MA-22
Engine oil levelCheck the level on the oil level gauge after parking the vehicle on a level spot
and turning off the engine.MA-18, MA-25
Power steering fluid
level and linesCheck the level on the dipstick with the engine off. Check the lines for improper
attachment, leaks, cracks, etc.MA-37
Exhaust systemMake sure there are no loose supports, cracks or holes. If the sound of the
exhaust seems unusual or there is a smell of exhaust fumes, immediately
locate the trouble and correct it.MA-29

PB-1
PARKING BRAKE SYSTEM
F BRAKES
CONTENTS
C
D
E
G
H
I
J
K
L
M
SECTION PB
A
B
PB
Revision: 2007 April2007 M35/M45
PARKING BRAKE SYSTEM
PREPARATION ........................................................... 2
Commercial Service Tools ........................................ 2
PARKING BRAKE SYSTEM ...................................... 3
On-Vehicle Service ................................................... 3
PEDAL STROKE ................................................... 3
INSPECT COMPONENTS .................................... 3
ADJUSTMENT ...................................................... 3
PARKING BRAKE CONTROL ................................... 4
Components ............................................................. 4
Removal and Installation .......................................... 5
REMOVAL ............................................................. 5
INSTALLATION ..................................................... 5PARKING BRAKE SHOE ........................................... 6
Components ............................................................. 6
Removal and Installation .......................................... 7
REMOVAL ............................................................. 7
INSPECTION AFTER REMOVAL ......................... 7
INSTALLATION ..................................................... 8
SERVICE DATA AND SPECIFICATIONS (SDS) ........ 9
Parking Drum Brake ................................................. 9
Parking Brake Control .............................................. 9

PARKING BRAKE SHOE
PB-7
C
D
E
G
H
I
J
K
L
MA
B
PB
Revision: 2007 April2007 M35/M45
Removal and InstallationNFS000SW
REMOVAL
WARNING:
Clean brakes with a vacuum dust collector to minimize the hazard of air borne particles or other mate-
rials.
CAUTION:

Clean dust on disc rotor and back plate using a vacuum dust collector. Do not blow with com-
pressed air.

Put matching marks on both disc rotor and wheel hub when removing disc rotor.
1. Remove rear tires from vehicle with power tool.
2. Remove disc rotor with parking brake pedal completely in the released position. Refer to BR-30,
"Removal and Installation of Brake Caliper Assembly" .
3. If disc rotor cannot be removed, remove as follows:
a. Secure the disc rotor in place with wheel nuts and remove adjuster hole plug.
b. Using a flat-bladed screwdriver, rotate adjuster in direction “B” to
retract and loosen brake shoe.
4. Remove anti-rattle pins, retainers, anti-rattle springs, and return
springs.
5. Remove parking brake shoes, adjuster assembly, and toggle
lever.
6. For the removal of back plate, refer to RAX-5, "
Removal and
Installation" .
INSPECTION AFTER REMOVAL
Lining Thickness Inspection

Check thickness of lining.
Drum Inner Diameter Inspection

Check inner diameter of drum.
Other Inspections

Check the following:
–Lining for excessive wear, damage, and peeling.
–Shoe sliding surface for excessive wear and damage.
PFIA0309E
Standard thickness “A” : 3.2 mm (0.126 in)
Repair limit thickness “A” : 1.5 mm (0.059 in)
SBR021A
Standard inner diameter : 172 mm (6.77 in) dia.
Maximum inner diameter : 173 mm (6.81 in) dia.
SBR768A

PB-8
PARKING BRAKE SHOE
Revision: 2007 April2007 M35/M45
–Anti-rattle pin for excessive wear and corrosion.
–Return spring for sagging.

Make sure that adjuster moves smoothly.

Visually check the inside of drum for excessive wear, cracks, and damage. Check the inside of drum using
a pair of vernier calipers.

Replace with new part if the above part is malfunction.
INSTALLATION
Note the following, and install in the reverse order of removal.

Refer to PB-6, "Components" and apply PBC (Poly Butyl Cupry-
sil) grease or silicone-based grease to the specified points dur-
ing assembly.

Assemble adjusters so that threaded part is expanded when
rotating it in the direction shown by arrow.

Shorten adjuster by rotating it.

Check shoe sliding surface and drum inner surface for grease.
Wipe it off if it adhere on the surfaces.

Perform break-in operation as follows after replacing brake
shoes or disc rotors, or if brakes do not function well.
1. Adjust parking brake pedal stroke to the specified amount. Refer
to PB-3, "
ADJUSTMENT" .
2. Perform parking brake break-in (drag run) operation by driving vehicle under the following conditions:
3. Check parking brake pedal stroke of parking brake. Adjust again if it is outside the standard.Drive forward

Vehicle speed: Approx. 40 km/h (25 MPH) set (constant and forward)

Parking brake operating force: Approx. 400 N (40 kg, 89.9 lb) set constant

Time: Approx. 10 sec.
SFIA2426E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
PR-3
C
E
F
G
H
I
J
K
L
MA
B
PR
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000E9
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference pageFront
PR-4—
—
—
—
PR-4PR-5
NVH in FFD and RFD section
NVH in FAX, RAX, FSU and RSU section
NVH in WT section
NVH in WT section
NVH in RAX section
NVH in BR section
NVH in PS section
RearPR-6PR-10—
PR-7—
PR-6PR-9
Possible cause and SUSPECTED PARTS
Uneven rotating torque
Center bearing improper installation
Excessive center bearing axial end play
Center bearing mounting (insulator) cracks, damage or deterioration
Excessive joint angle
Rotation imbalance
Excessive runout
DIFFERENTIAL
AXLE AND SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
SymptomNoise××××××××××××××
Shake× × ××××××
Vibration××××××× ×× × ×

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
PS-7
C
D
E
F
H
I
J
K
L
MA
B
PS
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Trouble Shooting ChartNGS000D4
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
PS-8PS-8PS-24PS-24PS-24PS-8PS-10PS-10
EM-16
,EM-174PS-10—
PS-23PS-16PS-13PS-21
NVH in PR section
NVH in RFD section
NVH in FAX, RAX, FSU, RSU section
NVH in WT section
NVH in WT section
NVH in FAX section
NVH in BR section
Possible cause and SUSPECTED PARTS
Fluid level
Air in hydraulic system
Outer socket ball joint swinging torque
Outer socket ball joint rotating torque
Outer socket ball joint end play
Steering fluid leakage
Steering wheel play
Steering gear rack sliding force
Drive belt looseness
Improper steering wheel
Improper installation or looseness of tilt lock lever
Mounting rubber deterioration
Steering column deformation or damage
Improper installation or looseness of steering column
Steering linkage looseness
PROPELLER SHAFT
DIFFERENTIAL
AXLE and SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
Symptom SteeringNoise× × ××××× × × ×××××× ×
Shake×× ××××××
Vibration×××× ××××
Shimmy× × × ××× ×
Judder× × ××× ×

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×× × ××

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
RFD-7
C
E
F
G
H
I
J
K
L
MA
B
RFD
Revision: 2007 April2007 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000F1
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
Refer to RFD-26, "
INSPECTION AFTER DISASSEMBLY
" .
Refer to RFD-20, "
Tooth Contact
" .
Refer to RFD-26, "
INSPECTION AFTER DISASSEMBLY
" .
Refer to RFD-21, "
Backlash
" .
Refer to RFD-22, "
Companion Flange Runout
" .
Refer to RFD-9, "
Checking Differential Gear Oil
" .
NVH in PR section.
NVH in FAX, RAX, FSU and RSU sections.
NVH in WT section.
NVH in WT section.
NVH in FAX and RAX section.
NVH in BR section.
NVH in PS section.
Possible cause and SUSPECTED PARTS
Gear tooth rough
Gear contact improper
Tooth surfaces worn
Backlash incorrect
Companion flange excessive runout
Gear oil improper
PROPELLER SHAFT
AXLE AND SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom Noise×××××××××××××