brake INFINITI QX56 2006 Factory Service Manual

AT-302
ASSEMBLY
Revision: November 20092006 QX56
10. Install servo assembly in transmission case.
11. Install snap ring to transmission case using suitable tool.
12. Install new D-rings in reverse brake piston.
CAUTION:

Do not reuse D-rings.

Apply ATF to D-rings.
13. Install reverse brake piston in transmission case.
14. Install needle bearing to drum support edge surface. CAUTION:
Apply petroleum jelly to needle bearing.
SCIA2334E
SCIA2333E
SCIA5340E
SCIA2325E
SCIA2796E

AT-304
ASSEMBLY
Revision: November 20092006 QX56
18. Install reverse brake drive plates, driven plates and dish plate in
transmission case.
CAUTION:
Take care with the order and direction of plates.
19. Assemble N-spring.
20. Install reverse brake retaining plate in transmission case.
21. Install snap ring in transmission case.
SCIA5342E
SCIA5249E
SCIA2439E

ASSEMBLYAT-305
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AT
Revision: November 2009 2006 QX56
22. Measure clearance between retaining plate and snap ring. If not
within specified clearance, select proper retaining plate.
23. Install needle bearing to transmission case. CAUTION:

Take care with the direction of needle bearing. Refer to
AT- 2 6 0 , "
Locations of Adjusting Shims, Needle Bearings,
Thrust Washers and Snap Rings" .

Apply petroleum jelly to needle bearing.
24. Install revolution sensor to transmission case. Tighten revolution sensor bolt to the specified torque. Refer to AT- 2 5 0 , "
Compo-
nents" .
CAUTION:

Do not subject it to impact by dropping or hitting it.

Be careful not to damage harness with the edge of case.

Do not allow metal filings or foreign material to get on the
sensor front edge magnetic area.

Do not place in an area affected by magnetism.
25. Install new rear oil seal until it is flush into the rear extension (2WD models) using Tool or adapter case (4WD models) using
suitable tool.
CAUTION:

Apply ATF to rear oil seal.

Do not reuse rear oil seal.Specified clearance “A” : Standard: 0.7 - 1.1mm
(0.028 - 0.043 in)
Retaining plate : Refer to AT- 3 2 5 , "
Reverse
brake" .
SCIA5341E
SCIA5213E
SCIA2320E
Tool number : ST33400001 (J-26082)
SCIA5581E

ASSEMBLYAT-309
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Revision: November 2009 2006 QX56
iii. Install brackets (1).
iv. Tighten adapter case assembly bolts to specified torque.
CAUTION:
Do not reuse self-sealing bolts (2).
35. Install needle bearing in drum support edge surface. CAUTION:
Apply petroleum jelly to needle bearing.
36. Install direct clutch assembly in reverse brake.
37. Install high and low reverse clutch assembly in direct clutch assembly.Adapter case assembly bolts : 52 N·m (5.3 kg-m,
38 ft-lb)
Self-sealing bolt : 61 N·m (6.2 kg-m,
45 ft-lb)
WCIA0563E
SCIA5198E
SCIA5019E
SCIA2306E

AT-312
ASSEMBLY
Revision: November 20092006 QX56
46. Install front carrier assembly, input clutch assembly and rear
internal gear as a unit.
47. Install new seal rings in input clutch assembly. CAUTION:

Do not reuse seal rings.

Apply petroleum jelly to seal rings.
48. Install new band servo anchor end pin and lock nut in transmis- sion case.
CAUTION:
Do not reuse band servo anchor end pin.
49. Install brake band in transmission case. CAUTION:
Assemble it so that identification to avoid incorrect installa-
tion faces servo side.
50. Install front sun gear assembly to front carrier assembly. CAUTION:
Apply ATF to front sun gear radial bearing and 3rd one-way
clutch end bearing.
SCIA5173E
SCIA5269E
SCIA5016E
SCIA5498E
SCIA5014E

ASSEMBLYAT-313
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Revision: November 2009 2006 QX56
51. Install needle bearing in front sun gear assembly.
CAUTION:
Apply petroleum jelly to needle bearing.
52. Adjust brake band tilting using clips so that brake band contacts front sun gear drum evenly.
53. Adjust brake band.
a. Loosen lock nut.
b. Tighten band servo anchor end pin to specified torque.
c. Back off band servo anchor end pin three turns.
d. Holding band servo anchor end pin, tighten lock nut to specified torque. Refer to AT- 2 5 0 , "
Components" .
AdjustmentECS00EQ9
TOTAL END PLAY

Measure clearance between front sun gear and bearing race for
oil pump cover.

Select proper thickness of bearing race so that end play is within
specifications.
SCIA2808E
SCIA5033E
Band servo anchor end pin : 5.0 N·m (0.51 kg-m,
44 in-lb)
SCIA5498E
SCIA2810E

ASSEMBLYAT-317
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Revision: November 2009 2006 QX56
5. Tighten oil pump bolts to specified torque. Refer to AT- 2 5 0 ,
"Components" .
CAUTION:
Apply ATF to oil pump bushing.
6. Install new O-ring to input clutch assembly. CAUTION:

Do not reuse O-ring.

Apply ATF to O-ring.
7. Install converter housing to transmission case. CAUTION:
Do not reuse self-sealing bolt.
8. Make sure that brake band does not close turbine revolution sensor hole.
9. Install control valve with TCM.
a. Install A/T fluid temperature sensor 2 to bracket.
SCIA2300E
SCIA5011E
Converter housing bolt : 52 N·m (5.3 kg-m, 38 ft-lb)
Self-sealing bolt : 61 N·m (6.2 kg-m, 45 ft-lb)
SCIA5171E
SCIA5034E
SCIA5264E

SERVICE DATA AND SPECIFICATIONS (SDS)AT-325
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Revision: November 2009 2006 QX56
Reverse brakeECS00EQK
*: Always check with the Parts Department for the latest parts information.
To ta l E n d P l a yECS00EQL
BEARING RACE FOR ADJUSTING TOTAL END PLAY
*: Always check with the Parts Department for the latest parts information.Thickness of retaining plates
Thickness mm (in) Part number*
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205) 31667 90X14
31667 90X15
31667 90X16
31667 90X17
31667 90X18
31667 90X19
Total end play mm (in)
0.25 - 0.55 (0.0098 - 0.0217)
Thickness mm (in)Part number*
0.8 (0.031)
1.0 (0.039)
1.2 (0.047)
1.4 (0.055)
1.6 (0.063)
1.8 (0.071) 31435 95X00
31435 95X01
31435 95X02
31435 95X03
31435 95X04
31435 95X05

BR-1
BRAKE SYSTEM
F BRAKES
CONTENTS
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SECTION
A
B
BR
Revision: November 2009 2006 QX56
PRECAUTIONS .....................................................
..... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Brake System ............................. ..... 3
PREPARATION ...................................................... ..... 4
Special Service Tool ............................................ ..... 4
Commercial Service Tools ................................... ..... 4
NOISE, VIBRATION, AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 5
NVH Troubleshooting Chart ................................ ..... 5
BRAKE PEDAL ..................................................... ..... 6
Inspection and Adjustment .................................. ..... 6
INSPECTION ................................................... ..... 6
ADJUSTMENT ................................................. ..... 7
Removal and Installation ..................................... ..... 8
REMOVAL ........................................................ ..... 8
INSPECTION AFTER REMOVAL .................... ..... 9
INSTALLATION ................................................ ..... 9
BRAKE FLUID ....................................................... ... 10
On-board Inspection ............................................ ... 10
LEVEL CHECK ................................................ ... 10
Drain and Refill .................................................... ... 10
Bleeding Brake System ....................................... .... 11
BRAKE PIPING AND HOSE ................................. ... 12
Hydraulic Circuit .................................................. ... 12
Removal and Installation of Front Brake Hose .... ... 12
REMOVAL ........................................................ ... 12
INSTALLATION ................................................ ... 13
Removal and Installation of Rear Brake Hose .... ... 13
REMOVAL ........................................................ ... 13
INSTALLATION ................................................ ... 13
Inspection After Installation ................................. ... 14
BRAKE MASTER CYLINDER ............................... ... 15
On-board Inspection ............................................ ... 15
LEAK INSPECTION ......................................... ... 15
Removal and Installation ..................................... ... 15
REMOVAL ........................................................ ... 15INSTALLATION ................................................
... 16
Disassembly and Assembly ................................. ... 16
DISASSEMBLY ................................................ ... 16
ASSEMBLY ...................................................... ... 16
BRAKE BOOSTER ................................................ ... 17
On-Vehicle Service .............................................. ... 17
OPERATING CHECK ....................................... ... 17
AIRTIGHT CHECK ........................................... ... 17
Removal and Installation ..................................... ... 18
REMOVAL ........................................................ ... 18
INSTALLATION ................................................ ... 18
VACUUM LINES .................................................... ... 20
Removal and Installation ..................................... ... 20
Inspection ............................................................ ... 20
VISUAL INSPECTION ...................................... ... 20
CHECK VALVE INSPECTION .......................... ... 20
FRONT DISC BRAKE ............................................ ... 21
On-vehicle Inspection .......................................... ... 21
PAD WEAR INSPECTION ................................... 21
Components ........................................................ ... 21
Removal and Installation of Brake Pad ............... ... 22
REMOVAL ........................................................ ... 22
INSTALLATION ................................................ ... 22
Removal and Installation of Brake Caliper and Disc
Rotor .................................................................... ... 22
REMOVAL ........................................................ ... 22
INSTALLATION ................................................ ... 22
Disassembly and Assembly of Brake Caliper ...... ... 23
DISASSEMBLY ................................................ ... 23
CALIPER INSPECTION ................................... ... 24
ASSEMBLY ...................................................... ... 24
DISC ROTOR INSPECTION ............................ ... 25
BRAKE BURNISHING PROCEDURE .............. ... 25
REAR DISC BRAKE .............................................. ... 27
On-vehicle Inspection .......................................... ... 27
PAD WEAR INSPECTION ................................... 27
Components ........................................................ ... 27
Removal and Installation of Brake Pad ............... ... 28
REMOVAL ........................................................ ... 28
INSTALLATION ................................................ ... 28

BR-2Revision: November 20092006 QX56
Removal and Installation of Brake Caliper and Disc
Rotor ....................................................................
... 28
REMOVAL ........................................................ ... 28
INSTALLATION ................................................. ... 28
Disassembly and Assembly of Brake Caliper ...... ... 29
DISASSEMBLY ................................................ ... 29
CALIPER INSPECTION ................................... ... 29
ASSEMBLY ...................................................... ... 30
DISC ROTOR INSPECTION ............................ ... 30
BRAKE BURNISHING PROCEDURE .............. ... 31SERVICE DATA AND SPECIFICATIONS (SDS) ...
... 32
General Specifications ......................................... ... 32
Brake Pedal ......................................................... ... 32
Brake Booster ...................................................... ... 32
Check Valve ......................................................... ... 32
Front Disc Brake .................................................. ... 32
Rear Disc Brake ................................................... ... 33