INFINITI QX56 2008 Factory Service Manual

BRC-114
< REMOVAL AND INSTALLATION >[VDC/TCS/ABS]
WHEEL SENSORS
REMOVAL AND INSTALLATION
WHEEL SENSORS
Removal and InstallationINFOID:0000000001604548
REMOVAL
1. Remove wheel sensor bolt.
• When removing the front wheel sensor, first remove t he disc rotor to gain access to the front wheel sen-
sor bolt. Refer to BR-31, "
Removal and Installation of Brake Caliper and Rotor" .
• When removing the rear wheel sensor, first remove the rear hub and bearing assembly to gain access to
the rear wheel sensor bolt. Refer to RAX-8, "
Removal and Installation".
2. Pull out the sensor, being careful to turn it as little as possible. CAUTION:
• Do not pull on the sensor harness.
3. Disconnect wheel sensor harness electrical connec tor, then remove harness from attaching points.
INSTALLATION
Installation is in the reverse order of removal. Tighten wheel sensor bolt to specification.
CAUTION:
• Inspect wheel sensor O-ring, replace sensor assembly if damaged.
• Before installing wheel sensor, make sure no foreign materials (such as iron fragments) are adhered
to the pick-up part of the sensor, to the inside of the sensor hole or on the rotor mating surface.
• Apply a coat of suitable grease to the wheel sensor O-ring and hole. Refer to MA-12, "
Fluids and
Lubricants" .
WFIA0376E
Revision: March 2010 2008 QX56

SENSOR ROTORBRC-115
< REMOVAL AND INSTALLATION > [VDC/TCS/ABS]
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SENSOR ROTOR
Removal and InstallationINFOID:0000000001604549
NOTE:
The wheel sensor rotors are built into the wheel hubs and are not removable. If damaged, replace wheel hub
and bearing assembly. Refer to FAX-7, "
Removal and Installation" (front), RAX-8, "Removal and Installation"
(rear).
Revision: March 2010 2008 QX56

BRC-116
< REMOVAL AND INSTALLATION >[VDC/TCS/ABS]
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
Removal and InstallationINFOID:0000000001604550
REMOVAL
1. Disconnect the negative battery terminal.
2. Remove the air duct and resonator assembly and air cleaner case. Refer to
EM-25, "
Removal and Instal-
lation".
3. Drain the brake fluid. Refer to BR-17, "
Drain and Refill" .
4. Disconnect the actuator harness from the ABS actuator and electric unit (control unit).
5. Disconnect the brake tubes. CAUTION:
• To remove the brake tubes, use a flare nut wrench to prevent the flare nuts and brake tubes from
being damaged.
• Be careful not to splash brake fluid on painted areas.
6. Remove the three bolts and remove the ABS actuator and electric unit (control unit).
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
To install, use a flare nut wr ench (commercial service tool).
1. To rear left caliper
13 N·m (1.3 kg-m, 10 ft-lb) 2. To rear right caliper
13 N·m (1.3 kg-m, 10 ft-lb) 3. To front left caliper
13 N·m (1.3 kg-m, 10 ft-lb)
4. To front right caliper 13 N·m (1.3 kg-m, 10 ft-lb) 5. From the master cylinder secondary side
18.2 N·m (1.9 kg-m, 13 ft-lb) 6. From the master cylinder primary side
18.2 N·m (1.9 kg-m, 13 ft-lb)
7. ABS actuator and electric unit (control unit) 8. Actuator harness connector
WFIA0375E
Revision: March 2010
2008 QX56

ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)BRC-117
< REMOVAL AND INSTALLATION > [VDC/TCS/ABS]
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• Always tighten brake tubes to specifi cation when installing. Refer to BR-21, "Hydraulic Circuit" .
• Never reuse drained brake fluid.
• After installation of the ABS actuator and elect ric unit (control unit), perform the following.
- Refill brake system with new br ake fluid. Then bleed the air from the system. Refer to BR-17, "
Bleed-
ing Brake System" .
- Adjust the steering angle sensor. Refer to BRC-8, "
ADJUSTMENT OF STEERING ANGLE SENSOR
NEUTRAL POSITION : Speci al Repair Requirement" .
- Calibrate the decel G sensor. Refer to BRC-9, "
CALIBRATION OF DECEL G SENSOR : Special Repair
Requirement" .
Revision: March 2010 2008 QX56

BRC-118
< REMOVAL AND INSTALLATION >[VDC/TCS/ABS]
STEERING ANGLE SENSOR
STEERING ANGLE SENSOR
Removal and InstallationINFOID:0000000001836943
REMOVAL
1. Remove spiral cable. Refer to
SR-7, "Removal and Installation".
2. Remove the screws and remove the steering angle sensor.
CAUTION:
In the case that the ABS actuator and electronic unit (control unit) is replaced, make sure to adjust
position of steering angle sensor. Refer to BRC-8, "
ADJUSTMENT OF STEERING ANGLE SENSOR
NEUTRAL POSITION : Special Repair Requirement".
INSTALLATION
1. Installation is in the reverse order of removal.
Revision: March 2010 2008 QX56

G SENSORBRC-119
< REMOVAL AND INSTALLATION > [VDC/TCS/ABS]
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G SENSOR
Removal and InstallationINFOID:0000000001604552
REMOVAL
1. Remove center console. Refer to IP-20, "Removal and Installa-
tion".
2. Remove yaw rate/side/decel G sensor attaching nuts. CAUTION:
• Do not use power tools to re move or install yaw rate/side/
decel G sensor.
• Do not drop or strike the yaw rate/side/decel G sensor.
3. Disconnect harness connector and remove the yaw rate/side/ decel G sensor.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Do not drop or strike the yaw rate/side/decel G sensor.
• After installation, calibrate the yaw rate/side/decel G sensor. Refer to BRC-9, "
CALIBRATION OF
DECEL G SENSOR : Special Repair Requirement".
WFIA0202E
Revision: March 2010 2008 QX56

BRM-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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CONTENTS
BODY REPAIR
SERVICE INFORMATION .. ..........................2
BODY REPAIR ....................................................2
Body Mounting .................................................... ......2
Body Exterior Paint Color ..........................................3
Body Component Parts .............................................4
Corrosion Protection .................................................9
Body Sealing ....................................................... ....12
Body Construction ...................................................16
Body Alignment .......................................................16
Handling Precaution for Plastics ..............................31
Precaution in Repairing High Strength Steel ...........34
Foam Repair ............................................................36
Replacement Operation ...........................................37
Revision: March 2010 2008 QX56

BRM-2
< SERVICE INFORMATION >
BODY REPAIR
SERVICE INFORMATION
BODY REPAIR
Body MountingINFOID:0000000003243373
When removing, be sure to replace bolts and nuts (sealant applied bolts or self-lock nuts are used for all
mounting).
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Revision: March 20102008 QX56

BODY REPAIRBRM-3
< SERVICE INFORMATION >
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Body Exterior Paint ColorINFOID:0000000001609797
M: Metallic; 2S: 2-Coat Solid, 2P: 2-Coat Pearl; 3P: 3-Coat Pearl; t: Primerless Diamond Coat Clear
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Component Color code B30 K32 G10 K11 K12 Q11
Description
Lake-
shore
Slate Serengeti
Sand Liquid
Onyx Silver
Graphite Silver
Indulgence Tuscan
Pearl
Typ e m m m m mm
Clear coat t tt t tt
1 Outside
mirror Body
Chromium
plate Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
Base Black KH3 KH3 KH3 KH3 KH3 KH3
2 Radiator grille Center and
emblemChromium
plate
Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
3 Bumpers Fascias Body color B30 K32 G10 K11 K12 Q11
4 Valance BlackKH3 KH3 KH3 KH3 KH3 KH3
5 Running
Boards Body
Body color B30 K32 G10 K11 K12 Q11
Step pad Black KH3 KH3 KH3 KH3 KH3 KH3
6 Outside han-
dles Front
Chromium
plate
Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
Rear Body color B30 K32 G10 K11 BK12 BQ10
7 Side Guard
Molding Base
Body color B30 K32 G10 K11 BK12 BQ10
To p T r i m Chromium
plate Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
8 License plate
finisher Base
Body color B30 K32 G10 K11 K12 Q11
Top and bot-
tom trim Chromium
plate
Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
9 Cowl top cover Body color B30 K32 G10 K11 K12 Q11
10 Rear spoiler Body color B30 K32 G10 K11 K12 Q11
Revision: March 2010 2008 QX56

BRM-4
< SERVICE INFORMATION >
BODY REPAIR
Body Component Parts
INFOID:0000000001609798
UNDERBODY COMPONENT PARTS
1. Hoodledge assembly (RH, LH)
2. Hoodledge reinforcement (RH, LH)
3. Body mounting bracket (RH, LH)
4. Hoodledge front brace (RH), Battery mounting bracket (LH)
LIIA0908E
Revision: March 2010 2008 QX56