Infiniti QX56 (JA60). Manual - part 121

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< 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

SERVICE DATA AND SPECIFICATIONS (SDS)

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< 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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< 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)

SERVICE DATA AND SPECIFICATIONS (SDS)

BR-47

< SERVICE DATA AND SPECIFICATIONS (SDS) 

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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