brake pads INFINITI M35 2006 Factory Service Manual

PRECAUTIONS
BR-3
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 January2006 M35/M45
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NFS000ON
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WAR NING :
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Procedures without Cowl Top CoverNFS000OO
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
Precautions for Brake SystemNFS000OP
Clean dust on front brake and rear brake with a vacuum dust collector. Do not blow with compressed air.
Recommended fluid is brake fluid “DOT 3”.
Never reuse drained brake fluid.
Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is splashed
on painted areas, wash it away with water immediately.
Use clean brake fluid, to clean or wash all parts of master cylinder and disc brake caliper, etc.
Never use mineral oils such as gasoline or kerosene. They will ruin rubber parts of the hydraulic system.
Use flare nut torque wrench when installing brake tube.
When installing brake tube and hose, be sure to check torque.
Before working, turn ignition switch OFF and disconnect con-
nectors of ABS actuator and electric unit (control unit) or battery
cable from the negative terminal.
Burnish the brake contact surfaces after refinishing or replacing
rotors, after replacing pads, or if a soft pedal occurs at very low
mileage. Refer to BR-28, "
BRAKE BURNISHING PROCE-
DURE" (front disc brake), BR-34, "BRAKE BURNISHING PRO-
CEDURE" (rear disc brake).
WAR NING :
Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.
PIIB3706J
SBR686C

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
BR-5
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 January2006 M35/M45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNFS000OR
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
: Applicable Reference page
BR-23
, BR-29
BR-23
, BR-29

BR-23
, BR-29

—
—
BR-28
, BR-34

—
—
—
BR-28
, BR-34

—
NVH in PR section
NHV in RFD section
NVH in FAX, RAX and FSU, RSU section
NVH in WT section
NVH in WT section
NVH in RAX section
NVH in PS section
Possible cause and
SUSPECTED PARTS
Pads - damaged
Pads - uneven wear
Shims damaged
Rotor imbalance
Rotor damage
Rotor runout
Rotor deformation
Rotor deflection
Rotor rust
Rotor thickness variation
Drum out of round
PROPELLER SHAFT
DIFFERENTIAL
AXLE AND SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
STEERING
Symptom BRAKENoiseShake
Shimmy, Judder

BR-24
FRONT DISC BRAKE
Revision: 2006 January2006 M35/M45
It is not necessary to remove bolts on torque member and brake hose except for disassembly or
replacement of caliper assembly. In this case, hang cylinder body with a wire so as not to stretch
brake hose.
Do not damage piston boot.
If any shim is subject to serious corrosion, replace it with a new one.
Always replace shim and shim cover as a set when replacing brake pads.
Keep rotor free from brake fluid.
Burnish the brake pads and disc rotor mutually contacting surfaces, after refinishing or replacing
rotors, after replacing pads, or if a soft pedal occurs at very low mileage. Refer to BR-28, "
BRAKE
BURNISHING PROCEDURE" .
Removal and Installation of Brake PadNFS000PD
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove lower sliding pin bolt.
3. Hang cylinder body with a wire, and remove pads, pad retainers,
shims, and shim cover from torque member.
CAUTION:
When removing the pad retainer from the torque member,
lift it in the direction indicated by the arrow in the figure so
that it does not deform.
INSTALLATION
1. Apply PBC (Poly Butyl Cuprysil) grease or equivalent to between shim cover and shim. Install shim, shim
cover, to pad.
2. Apply PBC (Poly Butyl Cuprysil) grease or equivalent to
between pad retainer and pad. Install pad retainers and pads to
torque member.
CAUTION:
Securely assemble pad retainers so that they are not
being lifted up from torque member.
Both inner and outer pads have a pad return system on
the pad retainer. Install pad return lever securely to pad
wear sensor.
3. Install cylinder body to torque member.
CAUTION:
In the case of replacing a pad with new one, check a brake fluid level in the reservoir tank because
brake fluid returns to master cylinder reservoir tank when pressing piston in.
NOTE:
Use a disc brake piston tool (commercial service tool) to easily press piston.
4. Install lower sliding pin bolt, and tighten it to the specified torque. Refer to BR-23, "
Components" .
5. Check front disc brake for drag.
6. Install tires to vehicle.
SBR556E
SBR557E

BR-26
FRONT DISC BRAKE
Revision: 2006 January2006 M35/M45
Disassembly and Assembly of Brake Caliper AssemblyNFS000PF
NOTE:
Do not remove torque member, pads, shims, shim covers, and pad retainers when disassembling and assem-
bling cylinder body assembly.
DISASSEMBLY
1. Remove sliding pin bolt, and then remove cylinder body from torque member.
CAUTION:
Do not drop pads, shims, shim cover and pad retainers from torque member.
2. Remove sliding pins and sliding pin boots from torque member.
3. Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove pistons and piston boots.
CAUTION:
Do not get fingers caught in the pistons.
4. Remove piston seal from cylinder body using a flat-bladed
screwdriver.
CAUTION:
Be careful not to damage a cylinder inner wall.
INSPECTION AFTER DISASSEMBLY
Cylinder Body
Check the inner wall of cylinder for corrosion, wear, and damage. If a malfunction is detected, replace cylinder
body.
CAUTION:
Clean cylinder body using new brake fluid. Never use mineral oils such as gasoline or kerosene.
Torque Member
Check torque member for wear, cracks, and damage. Replace if there are.
Piston
Check the piston surface for corrosion, wear, and damage. If a malfunction is detected, replace applicable
part.
CAUTION:
A piston sliding surface is plated. Do not polish with sandpaper.
Sliding Pin, Sliding Pin Bolt, and Sliding Pin Boot
Check sliding pin, sliding pin bolt, and sliding pin boot for wear, damage, and cracks. Replace if there are.
BRB0032D
SFIA0141E

FRONT DISC BRAKE
BR-27
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 January2006 M35/M45
ASSEMBLY
1. Apply polyglycol ether based lubricant to piston seal, and install
them to cylinder body.
CAUTION:
Do not reuse piston seal.
2. Apply rubber grease to piston boot. Cover the piston end with
piston boot, and then install cylinder side lip on piston boot
securely into a groove on cylinder body.
CAUTION:
Do not reuse piston boot.
3. Apply brake fluid to piston. Push piston into cylinder body by
hand and push piston boot piston-side lip into the piston groove.
CAUTION:
Press the piston evenly and vary the pressing point to pre-
vent cylinder inner wall from being rubbed.
4. Install sliding pins and sliding pin boots to torque member.
5. Install torque member to steering knuckle, and tighten mounting bolts to the specified torque. Refer to BR-
23, "Components" .
CAUTION:
Do not allow oil or any moisture on all contact surfaces between steering knuckle and brake cali-
per assembly.
6. Press in piston until pads can be installed, and then install cylinder body to torque member.
7. Tighten sliding pin bolts to the specified torque. Refer to BR-23, "
Components" .
SFIA2399E
SFIA2432E
SFIA2279E

BR-28
FRONT DISC BRAKE
Revision: 2006 January2006 M35/M45
DISC ROTOR INSPECTION
Visual Inspection
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace if there are.
Runout Inspection
1. Fix disc rotor to wheel hub using wheel nuts (2 or more posi-
tions).
2. Inspect runout using a dial gauge. [Measured at 10 mm (0.39 in)
inside the disc edge.]
NOTE:
Before measuring, make sure that wheel bearing axial end play
is within the specification. Refer to FA X - 5 , "
WHEEL BEARING
INSPECTION" .
3. When runout exceeds limit value, displace mounting positions of
disc rotor by one hole. And then find a position of the minimum value for runout.
4. Replace or lathe disc rotor if runout is outside the specified value after performing the above operation.
(“MAD DL-8700”, “AMMCO 700 and 705” or equivalent.)
Thickness Inspection
Check thickness of the disc rotor using a micrometer. Replace disc
rotor if thickness is under the wear limit.
BRAKE BURNISHING PROCEDURE
Burnish contact surfaces between disc rotors and pads according to following procedure after refinishing or
replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
Be careful of vehicle speed because the brake does not operate easily until pad and disc rotor are
securely fitted.
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive vehicle on straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted. Runout limit : 0.035 mm (0.0014 in)
(with it attached to the vehicle)
BRA0580D
Standard thickness : 28.0 mm (1.102 in)
Wear limit : 26.0 mm (1.024 in)
Thickness variation
(Measured at 8 positions): 0.015 mm (0.0006 in)
SBR020B

BR-30
REAR DISC BRAKE
Revision: 2006 January2006 M35/M45
WAR NING :
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne
particles or other materials.
CAUTION:
While removing cylinder body, do not depress brake pedal because piston will pop out.
It is not necessary to remove bolts on torque member and brake hose except for disassembly or
replacement of caliper assembly. In this case, hang cylinder body with a wire so as not to stretch
brake hose.
Do not damage piston boot.
If any shim is subject to serious corrosion, replace it with a new one.
Always replace shim and shim covers as a set when replacing brake pads.
Keep rotor free from brake fluid.
Burnish the brake pads and disc rotor mutually contacting surfaces after refinishing or replacing
rotors, after replacing pads, or if a soft pedal occurs at very low mileage. Refer to BR-34, "
BRAKE
BURNISHING PROCEDURE" .
Removal and Installation of Brake PadNFS000PI
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove lower sliding pin bolt.
3. Hang cylinder body with a wire, and remove pads, pad retainers, shims, and shim cover from torque mem-
ber.
CAUTION:
Deform pad retainer when removing pad retainer from torque member.
INSTALLATION
1. Apply PBC (Poly Butyl Cuprysil) grease or equivalent to between shim cover and shim. Install inner shim,
inner shim cover to inner pad, and outer shim, outer shim cover to outer pad.
2. Install pad retainers and pads to torque member.
3. Press in piston until pads can be installed, and then install cylin-
der body to torque member.
CAUTION:
In the case of replacing a pad with new one, check a brake
fluid level in the reservoir tank because brake fluid returns
to master cylinder reservoir tank when pressing piston in.
NOTE:
Use a disc brake piston tool (commercial service tool) to easily
press piston.
4. Install upper sliding pin bolt and tighten to the specified torque.
Refer to BR-29, "
Components" .
5. Check rear disc brake for drag.
6. Install tires to vehicle.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0273E

BR-32
REAR DISC BRAKE
Revision: 2006 January2006 M35/M45
Disassembly and Assembly of Brake Caliper AssemblyNFS000PK
NOTE:
Do not remove torque member, pads, shims, shim covers, and pad retainers when disassembling and assem-
bling cylinder body assembly.
DISASSEMBLY
1. Remove sliding pin bolt, and then remove cylinder body from torque member.
CAUTION:
Do not drop pads, shims, shim cover and pad retainers from torque member.
2. Remove sliding pin boot from torque member.
3. Remove retaining ring from cylinder body using a flat-bladed
screwdriver as shown in the figure.
4. Place a wooden block as shown in the figure, and blow air from
union bolt mounting hole to remove piston and piston boot.
CAUTION:
Do not get fingers caught in the piston.
5. Remove piston seal from cylinder body using a flat-bladed
screwdriver.
CAUTION:
Be careful not to damage a cylinder inner wall.
INSPECTION AFTER DISASSEMBLY
Cylinder Body
Check the inner wall of cylinder for corrosion, wear, and damage. If a malfunction is detected, replace cylinder
body.
CAUTION:
Clean cylinder body using new brake fluid. Never use mineral oils such as gasoline or kerosene.
Torque Member
Check torque member for wear, cracks, and damage. Replace if there are.
Piston
Check the piston surface for corrosion, wear, and damage. If a malfunction is detected, replace applicable
part.
SBR028A
BRD0041D
SFIA2277E

BR-34
REAR DISC BRAKE
Revision: 2006 January2006 M35/M45
DISC ROTOR INSPECTION
Visual Inspection
Check surface of disc rotor for uneven wear, cracks, and serious damage. Replace if there are.
Runout Inspection
1. Fix disc rotor to wheel hub using wheel nuts (2 or more posi-
tions).
2. Inspect runout using dial gauge. [Measured at 10 mm (0.39 in)
inside disc edge.]
NOTE:
Before measuring, make sure that wheel bearing axial end play
is within the specification. Refer to RAX-5, "
WHEEL BEARING
INSPECTION" .
3. When runout exceeds limit value, displace mounting positions of
disc rotor by one hole. And then find a position of the minimum value for runout.
4. Replace disc rotor if it is outside repair limit after performing the above operation.
Thickness Inspection
Check the thickness of the disc rotor using a micrometer. Replace
disc rotor if the thickness is under the wear limit.
BRAKE BURNISHING PROCEDURE
Burnish contact surfaces between disc rotors and pads according to following procedure after refinishing or
replacing rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
Be careful of vehicle speed because the brake does not operate easily until pad and disc rotor are
securely fitted.
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle on a straight, flat road.
2. Depress brake pedal with the power to stop vehicle within 3 to 5 seconds until the vehicle stops.
3. Drive without depressing brake for a few minutes to cool the brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted. Runout limit : 0.055 mm (0.0022 in)
(With it attached to the vehicle)
BRA0697D
Standard thickness : 16.0 mm (0.631 in)
Wear limit : 14.0 mm (0.551 in)
Thickness variation
(Measured at 8 positions): 0.015 mm (0.0006in)
SFIA2284E

SERVICE DATA AND SPECIFICATIONS (SDS)
BR-35
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 January2006 M35/M45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsNFS000PL
Unit: mm (in)
Brake PedalNFS000PM
Brake BoosterNFS000PN
Va c u u m t y p e
Check ValveNFS000PO
Front Disc BrakeNFS000PP
Front brake Brake model CLZ31VD, CLZ31VB
Cylinder bore diameter 45 (1.772)
2
Pad length
width thickness 132 50 11 (5.20 1.969 0.433)
Rotor outer diameter
thickness 320 28 (12.60 1.10)
Rear brake Brake model AD14VF, AD14VE
Cylinder bore diameter 42.86 (1.687)
Pad length
width thickness 83.0 31.9 8.5 (3.268 1.256 0.335)
Rotor outer diameter
thickness 308 16 (12.13 0.63)
Master cylinder Cylinder bore diameter 25.4 (1)
Control valve Valve model Electric brake force distribution
Brake boosterBooster model N255
Diaphragm diameter 255 (10)
Recommended brake fluid DOT 3
Brake pedal height (from dash lower panel top surface) 157 167 mm (6.18 6.57 in)
Depressed pedal height
[under a force of 490 N (50 kg, 110 lb) with engine running]90 mm (3.54 in) or more
Clearance between threaded end of the stop lamp switch/brake switch
and bracket 0.74 - 1.96 mm (0.0291 - 0.0772 in)
Pedal play3 - 11 mm (0.12 - 0.43 in)
Input rod installation standard dimension 125 mm (4.92 in)
Vacuum leakage
[at vacuum of – 66.7 kPa (– 500 mmHg, – 19.69 inHg)]Within 1.3 kPa (10 mmHg, 0.39 inHg) of vacuum for 15 seconds
Brake modelCLZ31VD, CLZ31VB
Brake padStandard thickness 11.0 mm (0.433 in)
Repair limit thickness 2.0 mm (0.079 in)
Disc rotorStandard thickness 28.0 mm (1.102 in)
Wear limit 26.0 mm (1.024 in)
Thickness variation (measured at 8 positions) 0.015 mm (0.0006 in)
Runout limit (with it attached to the vehicle) 0.035 mm (0.0014 in)