2004 INFINITI FX35 Service Manual

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Page 1113 of 4449

INFINITI FX35 2004 Service Manual BR-20
FRONT DISC BRAKE
Revision: 2004 November 2004 FX35/FX45
FRONT DISC BRAKEPFP:41000
On-vehicle InspectionAFS001RX
PAD WEAR INSPECTION
Inspect the thickness of pad through cylinder body inspection

Page 1114 of 4449

INFINITI FX35 2004 Service Manual FRONT DISC BRAKE
BR-21
C
D
E
G
H
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K
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B
BR
Revision: 2004 November 2004 FX35/FX45
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of airborne
par

FRONT DISC BRAKE
BR-21
C
D
E
G
H
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BR
Revision: 2004 November 2004 FX35/FX45
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 never 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 shims and shim covers as a set when replacing brake pads.
Burnish brake contact surface after refinishing or replacing rotors, after replacing pads, or it a soft
pedal occurs at very low mileage. Refer to BR-24, "
BRAKE BURNISHING PROCEDURE" .
Removal and Installation of Brake PadAFS001RZ
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove lower sliding pin bolt.
3. Suspend cylinder body with a wire and remove pad and shim from torque member.
INSTALLATION
1. Attach inner shim and shim cover to inner pad, and outer shim to outer pad.
2. Push piston in so that pad is firmly installed and mount cylinder body to torque member.
NOTE:
Using a disc brake piston tool (commercial service tool), etc., makes it easier to push in piston.
CAUTION:
By pushing in piston, brake fluid returns to master cylinder reservoir tank. Watch the level of the
surface of reservoir tank.
3. Attach pat retainer to torque member.
CAUTION:
When attaching pad retainer, attach it firmly so that it does
not float up higher than torque member, as shown in the fig-
ure.
4. Install lower sliding pin bolt and tighten it to the specified torque.
5. Check brake for drag.
6. Attach tires to the vehicle.
Removal and Installation of Brake Caliper AssemblyAFS001S0
REMOVAL
1. Remove tires from vehicle with power tool.
2. Drain brake fluid. Refer to BR-9, "
Drain and Refill" .
3. Remove union bolts and torque member bolts, and remove brake caliper assembly from the vehicle.
4. Remove disc rotor.
INSTALLATION
CAUTION:
Refill with new brake fluid “DOT3”
Do not reuse drained brake fluid.
1. Install disc rotor.
PFIA0273E

Page 1115 of 4449

INFINITI FX35 2004 Service Manual BR-22
FRONT DISC BRAKE
Revision: 2004 November 2004 FX35/FX45
2. Install caliper assembly to the vehicle, and tighten bolts to the
specified torque.
CAUTION:
When attaching caliper assembly to the veh

Page 1116 of 4449

INFINITI FX35 2004 Service Manual FRONT DISC BRAKE
BR-23
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2004 November 2004 FX35/FX45
CALIPER INSPECTION
Cylinder Body
CAUTION:
Use new brake fluid for cleaning. Do not use mineral oils such as gas

Page 1117 of 4449

INFINITI FX35 2004 Service Manual BR-24
FRONT DISC BRAKE
Revision: 2004 November 2004 FX35/FX45
DISC ROTOR INSPECTION
Visual Inspection
Check surface of disc rotor for uneven wear, cracks, and serious damage. If any of them is detecte

BR-24
FRONT DISC BRAKE
Revision: 2004 November 2004 FX35/FX45
DISC ROTOR INSPECTION
Visual Inspection
Check surface of disc rotor for uneven wear, cracks, and serious damage. If any of them is detected, replace
applicable part.
Runout Inspection
1. Using wheel nuts, fix disc rotor to wheel hub. (2 or more positions)
2. Inspect runout using a dial gauge. (Measured at 10mm (0.39 in)
inside the disc edge.)
NOTE:
Make sure that wheel bearing axial endplay is with in the specifi-
cations before measuring runout. Refer to FAX-4, "
On-Vehicle
Inspection and Service" .
3. If runout is outside the limit, find the minimum runout point by
shifting mounting positions of disc rotor and wheel hub by one hole.
4. If runout still out of specification, turn rotor with on-car brake lathe. (“MAD DL-8700”, “AMMCO 700 and
705” or equivalent.)
Thickness Inspection
Using a micrometer, check thickness of disc rotor. If thickness is out-
side the standard, replace disc rotor.
BRAKE BURNISHING PROCEDURE
Burnish brake contact surface according to the following procedure after refinishing or replacing rotors, after
replacing pads, or if a soft pedal occurs at very low mileage.
CAUTION:
Only perform this procedure under safe road and traffic conditions. Use extreme caution.
1. Drive the vehicle on a straight smooth road at 50 km/h (31 MPH).
2. Use medium brake pedal /foot effort to bring the vehicle to a complete stop from 50 km/h (31 MPH). Adjust
brake pedal /foot pressure such that vehicle stopping time equals 3 to 5 seconds.
3. To cool brake system, drive the vehicle at 50 km/h (31 MPH) for 1 minute without stopping.
4. Repeat steps 1 to 3, 10 times or more to complete the burnishing procedure.Runout limit
(with it attached to the vehicle): 0.04 mm (0.0016 in)
Runout limit
(just the disc rotor) : 0.02 mm (0.0008 in)
BRA0013D
Standard thickness : 28.0 mm (1.102 in)
Repair limit thickness : 26.0 mm (1.024 in)
Maximum uneven wear
(measured at 8 positions): 0.015 mm (0.0006 in)
SBR020B

Page 1118 of 4449

INFINITI FX35 2004 Service Manual REAR DISC BRAKE
BR-25
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2004 November 2004 FX35/FX45
REAR DISC BRAKEPFP:44000
On-vehicle InspectionAFS001NA
PAD WEAR INSPECTION
Inspect the thickness of pad through

Page 1119 of 4449

INFINITI FX35 2004 Service Manual BR-26
REAR DISC BRAKE
Revision: 2004 November 2004 FX35/FX45
WARNING:
Clean dust on caliper and brake pad with a vacuum dust collector to minimize the hazard of air borne
particles or other materials.

BR-26
REAR DISC BRAKE
Revision: 2004 November 2004 FX35/FX45
WARNING:
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, never 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 shims and shim covers as a set when replacing brake pads.
Burnish brake contact surface after refinishing or replacing rotors, after replacing pads, or it a soft
pedal occurs at very low mileage. Refer to BR-29, "
BRAKE BURNISHING PROCEDURE"
Removal and Installation of Brake PadAFS001NC
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove sliding pin bolt (one on top).
3. Suspend cylinder body with a wire, and remove pads, pad retainers, shim from torque member.
INSTALLATION
1. Apply PBC (Poly Butyl Cuprysil) grease or silicon- based grease to the backside of pad and to both sides
of shim, and attach inner shim and shim cover to inner pad, and attach the outer shim and outer shim
cover to outer pad.
2. Install pad retainer and mount pad to torque member.
3. Push piston in so that pad is firmly attached and mount cylinder body to torque member.
NOTE:
Using a disc brake piston tool (commercial service tool), etc., makes it easier to push in piston.
CAUTION:
By pushing in piston, brake fluid returns to master cylinder reservoir tank. Watch the level of the
surface of reservoir tank.
4. Install sliding pin bolt (one on top) and tighten to the specified torque.
5. Check brake for drag.
6. Install tires to the vehicle.
Removal and Installation of Brake Caliper AssemblyAFS001ND
REMOVAL
1. Remove tires from vehicle with power tool.
2. Drain brake fluid. Refer to BR-9, "
Drain and Refill" .
3. Remove union bolt and torque member bolts, and remove brake
caliper assembly from the vehicle.
4. Remove disc rotor.
INSTALLATION
CAUTION:
Refill with new brake fluid “DOT 3”.
Do not reuse drained brake fluid.
1. Install disc rotor.
2. Install caliper assembly to the vehicle, and tighten bolts to the specified torque.
PFIA0413E

Page 1120 of 4449

INFINITI FX35 2004 Service Manual REAR DISC BRAKE
BR-27
C
D
E
G
H
I
J
K
L
MA
B
BR
Revision: 2004 November 2004 FX35/FX45
CAUTION:
Before installing caliper assembly to the vehicle, wipe off oil and grease on washer seats on axle
assem

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