2010 INFINITI QX56 brake

TM-218
< DISASSEMBLY AND ASSEMBLY >
DISASSEMBLY
53. Remove spring retainer and return spring from transmissioncase.
54. Remove seal rings from drum support.
55. Remove needle bearing from drum support edge surface.
56. Remove reverse brake piston from transmission case using compressed air. Refer to TM-199, "
Oil Channel".
CAUTION:
Care should be taken not to ab ruptly blow air. It makes the
piston incline, and as a resu lt, it becomes hard to disas-
semble the pistons.
SCIA2324E
SCIA3333E
SCIA2796E
SCIA5047E
Revision: April 20092010 QX56

DISASSEMBLYTM-219
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
57. Remove D-rings from reverse brake piston.
58. Knock out retaining pin using suitable tool.
59. Remove manual shaft retaining pin using suitable tool.
60. Remove manual plate (with parking rod) from manual shaft.
61. Remove parking rod from manual plate.
SCIA6330E
SCIA2328E
SCIA2329E
SCIA5715E
SCIA5220E
Revision: April 20092010 QX56

TM-244
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
10. Install servo assembly in transmission case.
11. Install snap ring to transmission case using suitable tool.
12. Install 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.
SCIA5679E
SCIA2333E
SCIA6330E
SCIA2325E
SCIA2796E
Revision: April 20092010 QX56

ASSEMBLYTM-245
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
15. Install seal rings to drum support. CAUTION:
• Do not reuse seal rings.
• Apply petroleum jelly to seal rings.
16. Install spring retainer and return spring in transmission case.
17. Install snap ring in transmission case while compressing return spring using Tool.
CAUTION:
Securely assemble them using a flat-bladed screwdriver so
that snap ring tension is slightly weak.
18. Install reversr brake drive plates driven pl ates and dish plates in transmission case.
CAUTION:
SCIA3333E
SCIA2324E
Tool number : KV31102400 (J-34285 and J-34285-87)
SCIA5877E
Revision: April 20092010 QX56

TM-246
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
Take care with order of plates.
• Snap ring (1)
• Retaining plate (2)
• Drive plate (3)
• Driven plate (4)
• Dish plate (5)
• Driveplate/Driven plate: 7/7
19. Assemble N-spring.
20. Install reverse brake retaining plate in transmission case.
21. Install snap ring in transmission case.
22. Measure clearance (A) between retaining plate and snap ring. If not within specified clearance, select proper retaining plate.
WCIA0625E
SCIA5249E
SCIA2439E
Clearance “A” : 0.7 - 1.1mm (0.028 - 0.043 in)
Retaining plate : Refer to TM-266, "
Reverse
Brake".
SCIA3129E
Revision: April 20092010 QX56

ASSEMBLYTM-251
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
35. Install direct clutch assembly in reverse brake. CAUTION:
Make sure that drum support edge surface and direct clutch
inner boss edge surface come to almost same place.
36. Install needle bearing in drum support. CAUTION:
Apply petroleum jelly to needle bearing.
37. Install high and low reverse clutch assembly in direct clutch.
38. Align the drive plate using suitable tool.
39. Install high and low reverse clutch hub, mid sun gear assembly and rear sun gear assembly as a unit.
SCIA5019E
SCIA5198E
SCIA2306E
SCIA3169E
SCIA5018E
Revision: April 20092010 QX56

TM-254
< DISASSEMBLY AND ASSEMBLY >
ASSEMBLY
48. Install band servo anchor end pin and lock nut in transmissioncase.
CAUTION:
Do not reuse band servo anchor end pin.
49. Install brake band in transmission case. CAUTION:
Install it so that the identification to avoid incorrect installa-
tion faces the servo side.
50. Install front sun gear to front carrier assembly. CAUTION:
Apply ATF to front sun gear bearing and 3rd one-way clutch
end bearing.
51. Install needle bearing to front sun gear. CAUTION:
Apply petroleum jelly to needle bearing.
52. Adjust brake band tilting using a clip so that brake band contacts front sun gear drum evenly.
SCIA6512E
SCIA5498E
SCIA5014E
SCIA2808E
SCIA5033E
Revision: April 20092010 QX56

ASSEMBLYTM-255
< DISASSEMBLY AND ASSEMBLY >
CEF
G H
I
J
K L
M A
B
TM
N
O P
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.
AdjustmentINFOID:0000000005148756
TOTAL END PLAY
• Measure clearance between front sun gear and bearing race for oilpump cover.
• Select proper thickness of bearing race so that end play is within specifications.
1. Measure dimensions “K” and “L” and then calculate dimension “J”.
a. Measure dimension “K”. Anchor end pin : 5.0 N·m (0.51 kg-m, 44 in-lb)
Lock nut : 46 N·m (4.7 kg-m, 34 ft-lb)
SCIA5498E
SCIA2810E
SCIA5350E
SCIA5351E
Revision: April 20092010 QX56