2011 INFINITI QX56 brake

TM-230
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
16. Remove input clutch assembly (with 1st one-way clutch, under
drive carrier assembly, front brake hub, front carrier assembly,
and rear internal gear) (1) from transmission case.
17. Remove 1st one-way clutch (1) from front brake hub.
18. Remove under drive carrier assembly (with front brake hub) (1) from front carrier assembly.
19. Remove needle bearing (1) from front carrier assembly.
20. Remove seal rings (1) from input clutch assembly.
JPDIA1117ZZ
JPDIA1118ZZ
JPDIA1119ZZ
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JPDIA1121ZZ
Revision: 2010 May2011 QX56

TM-232
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
26. Remove needle bearing from rear carrier assembly.
27. Remove mid sun gear assembly, rear sun gear assembly, and
high and low reverse clutch hub as a unit.
CAUTION:
Be careful to remove then with bearing race and needle
bearing.
28. Remove high and low reverse clutch assembly from direct clutch assembly.
CAUTION:
Make sure that needle bearing is installed to the high and
low reverse clutch assembly edge surface.
29. Remove direct clutch assembly from reverse brake.
30. Remove needle bearing from drum support.
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Revision: 2010 May2011 QX56

TM-238
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
vii. Remove parking gear (1) from output shaft (2).
viii. Remove seal rings (1) from output shaft.
43. Remove needle bearing from transmission case.
44. Remove output speed sensor
(1) from transmission case.
CAUTION:
 Never subject it to impact by dropping or hitting it.
 Never disassemble.
 Never allow metal filings, etc. to get on the sensor's front
edge magnetic area.
 Never place in an area affected by magnetism.
45. Remove reverse brake snap ring (fixing plate) with 2 flat-bladed screwdrivers.
CAUTION:
 Be careful not to scratch transmission case and reversebrake retaining plate.
 Be careful not to damage snap ring.
NOTE:
Press out snap ring from the transmission case oil pan side gap
with a flat-bladed screwdriver, and remove it using a another
screwdriver.
46. Remove reverse brake retaining plate from transmission case.
JPDIA0029ZZ
JPDIA0030ZZ
SCIA5031E
: Bolt
JSDIA1321ZZ
SCIA5032E
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-239
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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M A
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TM
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47. Remove N-spring from transmission case.
48. Remove reverse brake drive plat es, driven plates, dish plates,
and retaining plate transmission case.
49. Remove snap ring (fixing spring retainer) using a flat-bladed screwdriver.
CAUTION:
 Be careful not to scratch transmission case and springretainer.
 Be careful not to damage snap ring.
50. Remove reverse brake spring retainer and reverse brake return spring from transmission case.
51. Remove seal rings from drum support.
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Revision: 2010 May2011 QX56

TM-240
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
52. Remove needle bearing from drum support edge surface.
53. Remove reverse brake piston (1) from transmission case with
compressed air. Refer to TM-222, "
Oil Channel".
CAUTION:
Care should be taken not to ab ruptly blow air. It makes pis-
tons incline, as the result, it becomes hard to disassemble
the pistons.
54. Remove D-rings from reverse brake piston.
55. Remove manual shaft retaining pin with pair of nippers. CAUTION:
Be careful not to cut retaining pin.
SCIA2796E
A : Reverse brake pressure hole
JSDIA1819ZZ
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SCIA2329E
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-245
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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8. Install D-rings in reverse brake piston.
9. Install reverse brake piston in transmission case.
10. Install needle bearing to drum support edge surface. CAUTION:
Check the direction of needle bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
11. Install seal rings to drum support.
12. Install reverse brake spring retainer and reverse brake return spring in transmission case.
SCIA6330E
SCIA2325E
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SCIA3333E
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Revision: 2010 May2011 QX56

TM-246
< UNIT DISASSEMBLY AND ASSEMBLY >[7AT: RE7R01B]
TRANSMISSION ASSEMBLY
13. Set the clutch spring compressor (SST: KV31102400) on
reverse brake spring retainer and install snap ring (fixing spring
retainer) in transmission case while compressing return spring.
CAUTION:
 Securely assemble them using a flat-bladed screwdriverso that snap ring te nsion is slightly weak.
 Be careful not to damage snap ring.
14. Install reverse brake drive plates, driven plates, dish plates and retaining plate in transmission case.
CAUTION:
Check order of plates.
15. Assemble N-spring.
16. Install reverse brake retaining plate in transmission case.
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1: Snap ring
2 : Retaining plate
3 : Drive plate (eight pieces)
4 : Driven plate (eight pieces)
5: Dish plate
6: Dish plate
JSDIA1858ZZ
SCIA5249E
Revision: 2010 May2011 QX56

TRANSMISSION ASSEMBLYTM-247
< UNIT DISASSEMBLY AND ASSEMBLY > [7AT: RE7R01B]
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17. Install snap ring in transmission case. CAUTION:
Be careful not to damage snap ring.
18. Measure clearance between retaining plate and snap ring. If not within specified clearance, select proper retaining plate.
19. Install needle bearing to transmission case. CAUTION:
Check the direction of needle bearing. Refer to TM-222,
"Location of Needle Bearings and Bearing Races".
20. Install output speed sensor (1) to transmission case. Tighten revolution sensor bolt to the specified torque.
CAUTION:
 Never subject it to impact by dropping or hitting it.
 Never disassemble.
 Never allow metal filings, etc. to get on the sensor's front
edge magnetic area.
 Never place in an area affected by magnetism.
SCIA2439E
Specified clearance “A”
Standard: TM-298, "
Reverse Brake Clearance".
Retaining plate: Refer to TM-298, "
Reverse Brake Clear-
ance"
SCIA3129E
SCIA5031E
: Bolt
JSDIA1321ZZ
Revision: 2010 May2011 QX56