BR-4
PRECAUTIONS
Revision: 2006 November2007 350Z
Use flare nut crowfoot and torque wrench when removing and
installing brake tube.
When installing brake piping, be sure to check torque.
Before working, turn the ignition switch OFF and disconnect the
connectors of ABS actuator and control unit or the battery nega-
tive terminal.
Burnish the brake contact surfaces after refinishing or replacing
drums or rotors, after replacing pads or linings, or if a soft pedal
occurs at very low mileage.
Refer to BR-38, "
Brake Burnishing Procedure" .
WARNING:
Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.SBR686C
BR-6
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 November2007 350Z
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNFS00005
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
BR-29
, BR-31
, BR-42
, BR-45
BR-26
, BR-39
BR-27
, BR-40—
—
BR-35
, BR-37
, BR-48
, BR-50
—
—
—
BR-35
, BR-37
, BR-48
, BR-50
—
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 BRAKENoise××× ×× ×××
××
Shake× × ×××
××
Shimmy, Judder×××××××× ××× ×
FRONT DISC BRAKE
BR-27
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 November2007 350Z
ComponentsNFS000AT
OTHER THAN BREMBO CALIPERS
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
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 torque member mounting 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 that brake hose is not under tension.
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 disc rotor clean of 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-38, "
Brake
Burnishing Procedure" .
1. Union bolt 2. Copper washer 3. Brake hose
4. Cap 5. Bleed valve 6. Sliding pin bolt
7. Piston seal 8. Piston 9. Piston boot
10. Cylinder body 11. Sliding pin 12. Torque member mounting bolt
13. Washer 14. Sliding pin boot 15. Bushing
16. Torque member 17. inner shim cover 18. inner shim
19. Inner pad 20. Pad retainer 21. Pad wear sensor
22. Outer pad 23. Outer shim 24. Outer shim cover
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0746J
BR-28
FRONT DISC BRAKE
Revision: 2006 November2007 350Z
WITH BREMBO CALIPERS
NOTE:
Refer to BR-30, "
HOW TO APPLY GREASE TO THE BRAKE PAD" for how to apply grease to brake pads.
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
particles or other materials.
CAUTION:
While the brake pad and cylinder body are separated, the piston may suddenly jump out, so do not
depress the brake pedal.
Apart from caliper assembly, disassembly or replacement, there is no need to remove caliper bolts
or brake hose or tube.
Do not damage piston boot.
Keep disc rotor clean of brake fluid.
1. Piston 2. Piston seal 3. Piston boot
4. Cap 5. Bleed valve 6. Washer
7. Bolt 8. Clips 9. Pad pins
10. Caliper 11. Inner pad 12. Cross spring
13. Outer pad 14. Pad wear sensor
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0674J
FRONT DISC BRAKE
BR-29
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 November2007 350Z
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-38, "
Brake
Burnishing Procedure" .
Removal and Installation of Brake Pad (Other than Brembo Calipers)NFS000AU
REMOVAL
1. Remove tires from vehicle with a power tool.
2. Remove lower sliding pin bolt.
3. Hang cylinder body with a wire, and remove pads, shims and
pad retainers from torque member.
CAUTION:
When removing pad retainer from torque member, lift pad
retainer in the direction shown by arrow (shown in the
figure) so as not to deform it.
Do not damage piston boot.
Keep disc rotor clean of brake fluid.
INSTALLATION
1. Apply PBC (Poly Butyl Cuprysil) grease or silicone-based
grease between pad retainer and pad.
2. Install pad retainers and pad assemblies to torque member.
CAUTION:
Inner pad and outer pad have pad-return mechanism on
upper side of pad retainer. When installing pad to torque
member, be sure to install pad return lever to pad wear sen-
sor securely.
3. Install cylinder body to torque member.
CAUTION:
When replacing pads with new ones, press in piston until
pads can be installed. In this case, carefully monitor brake fluid level in reservoir tank because
brake fluid will return to master cylinder reservoir tank.
4. Install lower sliding pin bolt, and tighten it to the specified torque. Refer to BR-27, "
Components" .
5. Secure disc rotor with wheel nuts. Depress brake pedal a few times until it gets a responsive touch.
6. Check front disc brake for drag.
7. Install tires to vehicle.
SBR433D
SBR556E
SBR557E
FRONT DISC BRAKE
BR-33
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 November2007 350Z
4. Attach the brake tube bracket to the knuckle spindle and tighten
to the specified torque.
5. Using a flare nut crowfoot and torque wrench, tighten the caliper
assembly and brake tube connection flare nut to the specified
torque.
6. Attach brake pad. Refer to BR-30, "
Removal and Installation of
Brake Pad (With Brembo Calipers)" .
7. Refill new brake fluid and bleed air. Refer to BR-11, "
Bleeding Brake System" .
8. Install tires to vehicle.
Disassembly and Assembly of Brake Caliper Assembly (Other than Brembo
Calipers)
NFS000AW
NOTE:
Do not remove torque member, brake pads, shims, shim covers and pad retainers, when disassembling or
assembling cylinder body.
DISASSEMBLY
1. Remove caliper assembly from vehicle. Refer to BR-31,
"Removal and Installation of Brake Caliper Assembly (Other
than Brembo Calipers)" .
2. Remove sliding pin bolts from cylinder body, and remove pads,
shims, shim cover and pad retainers from torque member.
CAUTION:
When removing pad retainer from torque member, lift the
pad retainer in the direction shown by arrow (shown in the
figure) so as not to deform it.
3. Remove sliding pins and sliding pin boots from torque member.
4. 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.
5. Using a flat-bladed screwdriver, remove piston seals from cylin-
der body.
CAUTION:
Be careful not to damage the inner wall of cylinder.: 10.8 – 15.6 N·m (1.1 – 1.5 kg-m, 8 – 11 ft-lb)
: 14.8 – 17.6 N·m (1.5 – 1.7 kg-m, 11 – 12 ft-lb)
PFIA0229E
SBR556E
BRB0032D
SFIA0141E
FRONT DISC BRAKE
BR-35
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2006 November2007 350Z
5. Install the torque member to the steering knuckle and tighten the
mounting bolts to the specified torque. Refer to BR-27, "
Compo-
nents" .
CAUTION:
Before installing torque member to vehicle, wipe off oil and
grease on the washer seats on steering knuckle and the
mounting surface of the torque member.
6. Install pad retainers to torque member.
7. Press in piston until pads can be installed, and then install cylin-
der body to torque member.
8. Install cylinder body, and tighten sliding pin bolt to the specified
torque. Refer to BR-27, "
Components" .
9. Position a projection of brake hose metal fitting by aligning with protrusions on cylinder body and tighten
union bolt to specified torque. Refer to BR-12, "
Hydraulic Circuit" .
CAUTION:
Assemble brake hose securely to cylinder body.
Do not reuse copper washer for union bolts.
10. After installing caliper assembly, refill with new brake fluid and bleed air. Refer to BR-11, "
Bleeding Brake
System" .
DISC ROTOR INSPECTION
Visual Inspection
Check surfaces of disc rotor for uneven wear, cracks, and serious damage. If a malfunction is detected,
replace applicable part.
Runout Inspection
1. Using wheel nuts, secure disc rotor to wheels hub. (2 or more positions)
2. Using a dial indicator, check runout.
NOTE:
Make sure that wheel bearing axial end play is with in the speci-
fication before measuring runout. Refer to FA X - 4 , "
On-Vehicle
Inspection" .
3. If runout is outside limit, find the minimum runout point by shift-
ing the mounting positions of disc rotor and wheel hub by one hole.
4. If runout is still outside the limit after performing the above operation, replace or lathe the disc rotor.
[When lathing, use the Pro–Cut PFM On–Car Brake Lathe (Tool No. 38–PFM90.5) or equivalent.]
Thickness Inspection
Using a micrometer, check thickness of disc rotor. If thickness is out-
side standard, replace disc rotor.
SBR557E
Measurement point:
At a point 10.0 mm (0.394 in) from outer edge of disc
Runout limit (with it attached to the vehicle):
0.035 mm (0.0014 in) or less
SBR019B
Standard thickness : 28.0 mm (1.10 in)
Repair limit thickness : 26.0 mm (1.02 in)
Maximum uneven wear (measured at 8 positions)
: 0.015 mm (0,0006 in) or less
SBR020B
BR-38
FRONT DISC BRAKE
Revision: 2006 November2007 350Z
Thickness Inspection
Using a micrometer, check thickness of the disc rotor. If thickness is
outside the standard, replace disc rotor.
Brake Burnishing ProcedureNFS000AX
Burnish the brake pad and disc rotor mutually contacting surfaces of disc rotor according to following proce-
dure after refinishing or replacing disc rotors, after replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
Be careful of vehicle speed because 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 brake.
4. Repeat steps 1 to 3 until pad and disc rotor are securely fitted.Standard
Standard thickness : 30.0 mm (1.181 in)
Wear limit : 28.4 mm (1.118 in)
Maximum uneven wear (measured at 8 positions)
: 0.015 mm (0.0006 in) or less
SBR020B