Infiniti QX56 (JA60). Manual — part 150
PREPARATION
BRC-113
< PREPARATION >
[VDC/TCS/ABS]
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PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tool
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Tool number
(Kent-Moore No.)
Tool name
Description
KV991J0080
(J-45741)
ABS active wheel sensor tester
Checking operation of ABS active wheel sen-
sors
WFIA0101E
Tool name
Description
1. Flare nut crowfoot
2. Torque wrench
Removing and installing brake piping
a: 10 mm (0.39 in)/12 mm (0.47 in)
S-NT360
BRC-114
< REMOVAL AND INSTALLATION >
[VDC/TCS/ABS]
WHEEL SENSORS
REMOVAL AND INSTALLATION
WHEEL SENSORS
Removal and Installation
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REMOVAL
1. Remove wheel sensor bolt.
• When removing the front wheel sensor, first remove the 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 connector, 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
.
WFIA0376E
SENSOR ROTOR
BRC-115
< REMOVAL AND INSTALLATION >
[VDC/TCS/ABS]
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SENSOR ROTOR
Removal and Installation
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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).
BRC-116
< REMOVAL AND INSTALLATION >
[VDC/TCS/ABS]
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)
Removal and Installation
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REMOVAL
1. Disconnect the battery negative terminal. Refer to
PG-74, "Removal and Installation"
2. Remove the air cleaner and air duct assembly. Refer to
EM-25, "Removal and Installation"
3. Drain the brake fluid. Refer to
.
4. Disconnect the actuator harness connector from the ABS actuator and electric unit (control unit).
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; it may cause paint damage. If brake fluid is
splashed on painted areas, wash it away with water immediately.
5. Disconnect the brake tubes.
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 crowfoot and torque wrench (commercial service tools).
1.
To rear left caliper
16.2 N·m (1.7 kg-m, 12 ft-lb)
2.
To rear right caliper
16.2 N·m (1.7 kg-m, 12 ft-lb)
3.
To front left caliper
16.2 N·m (1.7 kg-m, 12 ft-lb)
4.
To front right caliper
16.2 N·m (1.7 kg-m, 12 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
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