Infiniti QX56 (JA60). Manual — part 121
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BR-44
< DISASSEMBLY AND ASSEMBLY >
REAR DISC BRAKE
3. Apply clean brake fluid to piston and to piston boot, then install
piston boot in to piston groove.
CAUTION:
Do not reuse piston boot.
4. Insert into cylinder body by hand and insert piston boot piston-side lip into piston groove.
CAUTION:
Press piston evenly and vary the pressing point to prevent cylinder body inner wall from being
rubbed.
5. Apply rubber grease to sliding sleeves, then install sliding boots and sleeves to cylinder body.
WFIA0211E
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SERVICE DATA AND SPECIFICATIONS (SDS)
BR-45
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specification
INFOID:0000000005147925
Unit: mm (in)
Brake Pedal
INFOID:0000000005147926
Unit: mm (in)
CAUTION:
When equipped with adjustable pedal, the pedal must be in the forward most position (closest to the floor) for pedal height
adjustment.
Front brake
Brake model
AD41VA
Rotor outer diameter
× thickness
350 x 30 (13.78 x 1.181)
Pad Length
× width × thickness
151.6 x 56.5 x 12.0 (5.97 x 2.22 x 0.476)
Cylinder bore diameter
50.8 (2.00)
Rear brake
Brake model
AD14VE
Rotor outer diameter
× thickness
320 x 14 (12.60 x 0.551)
Pad Length
× width × thickness
83.0 x 33.0 x 12.0 (3.268 x 1.299 x 0.472)
Cylinder bore diameter
48 (1.89)
Control valve
Valve model
Electric brake force distribution
Brake booster
Booster model
C215T
Diaphragm diameter
215 (8.46)
Recommended brake fluid
Refer to
MA-13, "Fluids and Lubricants"
Pedal free height (H) with pedal in forward most position
182.3 - 192.3 (7.18 - 7.57)
Pedal travel (T)
153.3 (6.04)
Stop lamp switch and ASCD cancel switch threaded end to brake pedal bracket gap
0.74 - 1.96 (0.029 - 0.077)
ALFIA0149ZZ
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BR-46
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Brake Booster
INFOID:0000000005147927
Unit: mm (in)
Check Valve
INFOID:0000000005147928
Front Disc Brake
INFOID:0000000005147929
Unit: mm (in)
Rear Disc Brake
INFOID:0000000005147930
Unit: mm (in)
Output rod length [at -66.7 kPa (-500 mmHg, -19.69 inHg) vacuum]
15.6 - 15.9 (0.614 - 0.626)
Input rod installation length (B)
151 (5.94)
SBR208E
WFIA0382E
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 model
AD41VA
Brake pad
Standard thickness (new)
12.0 (0.476)
Repair limit thickness
1.0 (0.039)
Disc rotor
Standard thickness (new)
30 (1.181)
Repair limit thickness
28 (1.102)
Maximum uneven wear (measured at 8 positions)
0.015 (0.0006)
Runout limit (with it attached to the vehicle)
0.03 (0.001)
Brake model
AD14VE
Brake pad
Standard thickness (new)
12.0 (0.472)
Repair limit thickness
1.0 (0.039)
![](/vehicles/zatt/vend/genn/gserseruthto.png)
SERVICE DATA AND SPECIFICATIONS (SDS)
BR-47
< SERVICE DATA AND SPECIFICATIONS (SDS)
C
D
E
G
H
I
J
K
L
M
A
B
BR
N
O
P
Disc rotor
Standard thickness (new)
14.0 (0.551)
Repair limit thickness
12.0 (0.472)
Maximum uneven wear (measured at 8 positions)
0.015 (0.0006)
Runout limit (with it attached to the vehicle)
0.05 (0.002)
Brake model
AD14VE
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