Infiniti EX37. Transaxle and Transmission (2013 year). Instruction - page 17

TRANSMISSION ASSEMBLY

TM-257

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

b.

AWD

i.

Install seal rings (1) to output shaft.

ii.

Install parking gear (1) to output shaft (2).

iii.

Install output shaft in transmission case.

CAUTION:

Be careful not to mistake front for rear because both sides
looks similar. (Thinner end is front side.)

iv.

Install bearing race to output shaft.

JPDIA0030ZZ

JPDIA0029ZZ

SCIA5030E

SCIA5245E

2013 EX

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TM-258

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

v.

Install gasket onto transmission case.

CAUTION:

Completely remove all moisture, oil and old gasket, etc.
from the transmission case and adapter case assembly
mounting surfaces.

vi. Install adapter case assembly to transmission case.

CAUTION:

Insert the tip of parking rod between the parking pawl and
the parking actuator support when assembling the adapter
case assembly.

vii. Tighten adapter case assembly bolts to the specified torque.

27. Install needle bearing to drum support.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

SCIA5231E

SCIA5186E

1

: Bracket

A

: Bolt

B

: Self-sealing bolt

JPDIA1137ZZ

SCIA5198E

2013 EX

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TRANSMISSION ASSEMBLY

TM-259

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

28. Install direct clutch assembly to reverse brake.

CAUTION:

Make sure that drum support edge surface and direct clutch
inner boss edge surface come to almost same place.

29. Install high and low reverse clutch assembly to direct clutch.

30. Align the drive plate using a flat-bladed screwdriver.

31. Install high and low reverse clutch hub, mid sun gear assembly,

and rear sun gear assembly as a unit.

CAUTION:

SCIA5019E

SCIA2306E

SCIA3169E

SCIA5018E

2013 EX

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TM-260

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

Make sure that portion “A” of high and low reverse clutch
drum protrudes approximately 2 mm (0.08 in) beyond por-
tion “B” of rear sun gear.

32. Install needle bearing to rear carrier assembly.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

33. Install bearing race to rear carrier assembly.

CAUTION:

Check the direction of bearing race. Refer to

TM-228, "Loca-

tion of Needle Bearings and Bearing Races"

.

34. Install rear carrier assembly to direct clutch drum.

35. Install needle bearing (rear side) to mid carrier assembly.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

SCIA3130E

SCIA2803E

SCIA5175E

SCIA2462E

SCIA2804E

2013 EX

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TRANSMISSION ASSEMBLY

TM-261

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

36. Install needle bearing (front side) to mid carrier assembly.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

37. Install mid carrier assembly to rear carrier assembly.

38. Install seal rings (1) to input clutch assembly.

39. Install needle bearing (1) to front carrier assembly.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

SCIA2805E

SCIA5017E

JPDIA1121ZZ

JPDIA1120ZZ

2013 EX

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TM-262

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

40. Install input clutch assembly (with front carrier assembly and

rear internal gear) (1) to transmission case.

CAUTION:

Check that the needle bearing (2) is securely positioned. If
the needle bearing position is misaligned, adjust it to the
specified position.

41. Install 1st one-way clutch (1) to front brake hub (with under drive

carrier) (2).

42. Check operation of 1st one-way clutch.

a.

Hold 1st one-way clutch.

b.

Check front brake hub for correct locking and unlocking direc-
tions.

CAUTION:

If not shown in figure, check installation direction of 1st one-way clutch.

43. Install under drive carrier (with 1st one-way clutch) (1) to trans-

mission case.

JSDIA1714ZZ

: Unlocked

: Locked

JSDIA1713ZZ

JSDIA1715ZZ

2013 EX

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TRANSMISSION ASSEMBLY

TM-263

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

44. Install snap ring (1) to transmission case.

CAUTION:

Be careful not to damage snap ring.

45. Install front brake component part (retaining plates, drive plates

and, driven plate) to transmission case.

CAUTION:

Check order of plates.

46. Install needle bearing (1) to under drive carrier assembly.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

47. Install under drive sun gear (1) to under drive carrier assembly.

48. Adjustment of total end play “T”.

• Measure clearance between bearing race (1) and oil pump

cover (2).

• Select proper thickness of bearing race so that end play is

within specifications.

JPDIA1116ZZ

1

: Retaining plate (thin)

2

: Drive plate

3

: Driven plate

4

: Retaining plate (thick)

: Front

JPDIA1154ZZ

JPDIA1114ZZ

JPDIA1112ZZ

JSDIA1696ZZ

2013 EX

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TM-264

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

a.

Measure dimensions “K” and “L”, and calculate dimension “J”.

i.

Measure dimension “K” between the converter housing fitting
surface of transmission case (1) and the needle bearing mating
surface of under drive sun gear (2).

CAUTION:

• Never change the straightedge (A) installation position

before the completion of “L” measurement.

• Measure dimension “K” in at least three places, and take

the average.

ii.

Measure dimension “L” between the converter housing fitting
surface of transmission case and the oil pump fitting surface of
transmission case.

CAUTION:

Measure dimension “L” in at least three places, and take
the average.

iii.

Calculate dimension “J”.

b.

Measure dimensions “M

1

” and “M

2

”, and calculate dimension

“M”.

1

: Transmission case

2

: Under drive sun gear

A

: Straightedge

“J”

: Distance between the oil pump fitting surface
of transmission case and the needle bearing
mating surface of under drive sun gear.

J = K – L

JSDIA1697ZZ

JSDIA1698ZZ

1

: Transmission case

A

: Straightedge

J = K – L

JSDIA1699ZZ

1

: Bearing race

2

: Needle bearing

3

: Oil pump assembly

A

: Straightedge

“M”

: Distance between the transmission case fit-
ting surface of oil pump and the needle bearing
on oil pump.

M = M

1

– M

2

JSDIA1700ZZ

2013 EX

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TRANSMISSION ASSEMBLY

TM-265

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

i.

Place bearing race (1) and needle bearing (2) on oil pump
assembly (3).

ii.

Measure dimension “M

1

” between the transmission case fitting

surface of oil pump and the end of oil pump.

CAUTION:

Measure dimension “M

1

” in at least three places, and take

the average.

iii.

Measure dimension “M

2

” between the needle bearing on oil

pump and the end of oil pump.

CAUTION:

Measure dimension “M

2

” in at least three places, and take

the average.

iv.

Calculate dimension “M”.

c.

Adjust total end play “T”.

• Select proper thickness of bearing race so that total end play

is within specifications.

JSDIA1701ZZ

1

: Bearing race

2

: Needle bearing

3

: Oil pump assembly

A

: Straightedge

JSDIA1702ZZ

1

: Bearing race

2

: Needle bearing

3

: Oil pump assembly

A

: Straightedge

M = M

1

– M

2

JSDIA1703ZZ

1

: Bearing race

2

: Oil pump assembly

T = J – M

Total end play “T”

: Refer to

TM-303, "Total End

Play"

.

Bearing races

: Refer to

TM-303, "Total End Play"

.

JSDIA1696ZZ

2013 EX

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TM-266

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

49. Adjustment of front brake clearance “C”.

• Measure clearance between front brake piston (1) and front

brake retaining plate (2).

• Select proper thickness of front brake retaining plat so that

clearance is within specifications.

a.

Measure dimensions “O” and “P”, and calculate dimension “N”.

i.

Measure dimension “O” between the converter housing fitting
surface of transmission case (1) and the front brake retaining
plate (2).

CAUTION:

• Never change the straightedge (A) installation position

before the completion of “P” measurement.

• Measure dimension “O” in at least three places, and take

the average.

ii.

Measure dimension “P” between the converter housing fitting
surface of transmission case and the oil pump fitting surface of
transmission case.

CAUTION:

Measure dimension “P” in at least three places, and take
the average.

iii.

Calculate dimension “N”.

JSDIA1704ZZ

1

: Transmission case

2

: Front brake retaining plate

A

: Straightedge

“N”

: Distance between the oil pump fitting surface
of transmission case and the front brake retain-
ing plate.

N = O – P

JSDIA1705ZZ

JSDIA1706ZZ

1

: Transmission case

A

: Straightedge

N = O – P

JSDIA1707ZZ

2013 EX

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TRANSMISSION ASSEMBLY

TM-267

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

b.

Measure dimensions “Q

1

” and “Q

2

”, and calculate dimension

“Q”.

i.

Measure dimension “Q

1

” between the transmission case fitting

surface of oil pump and the straightedge on front brake piston.

CAUTION:

Measure dimension “Q

1

” in at least three places, and take

the average.

ii.

Measure dimension “Q

2

” of the straightedge.

iii.

Calculate dimension “Q”.

c.

Adjust front brake clearance “C”.

• Select proper thickness of front brake retaining plate so that

front brake clearance is within specifications.

1

: Front brake piston

2

: Oil pump assembly

A

: Straightedge

“Q”

: Distance between the transmission case fit-
ting surface of oil pump and the front brake pis-
ton.

Q = Q

1

– Q

2

JSDIA1708ZZ

1

: Front brake piston

2

: Oil pump assembly

A

: Straightedge

JSDIA1709ZZ

1

: Front brake piston

2

: Oil pump assembly

A

: Straightedge

Q = Q

1

– Q

2

JSDIA1711ZZ

1

: Front brake piston

2

: Front brake retaining plate

C = N – Q

Front brake clearance “C”

: Refer to

TM-303, "Front

Brake Clearance"

.

Retaining plate

: Refer to

TM-303, "Front Brake

Clearance"

.

JSDIA1704ZZ

2013 EX

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TM-268

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

50. Remove under drive sun gear (1) from under drive carrier

assembly.

51. Install needle bearing (1) to under drive sun gear.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

52. Install O-ring (1) to oil pump assembly.

53. Install seal ring (1) to oil pump assembly.

54. Install bearing race (1) to oil pump assembly.

JPDIA1112ZZ

JPDIA1113ZZ

JPDIA1110ZZ

JSDIA1721ZZ

JPDIA1111ZZ

2013 EX

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TRANSMISSION ASSEMBLY

TM-269

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

55. Install under drive sun gear (with needle bearing) (1) to oil pump

assembly (2).

56. Install oil pump assembly (with under drive sun gear) to trans-

mission case.

CAUTION:

Apply ATF to oil pump bearing.

57. Apply recommended sealant to oil pump assembly as shown in

the figure.
Use Genuine RTV Silicone Sealant or an equivalent. Refer to

GI-22, "Recommended Chemical Products and Sealants"

.

CAUTION:

Completely remove all moisture, oil and old sealant, etc.
from the oil pump mounting bolts and oil pump mounting
bolt mounting surfaces.

58. Tighten oil pump bolts (

) to the specified torque.

59. Install O-ring to input clutch assembly.

JSDIA1712ZZ

SCIA2811E

JSDIA1720ZZ

JPDIA1108ZZ

SCIA5011E

2013 EX

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TM-270

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

60. Install converter housing to transmission case, and tighten con-

verter housing bolts (

) to the specified torque.

61. Connect TCM connector (A) to joint connector.

62. Install joint connector (1) to the control valve & TCM.

CAUTION:

Apply ATF to O-ring of joint connector.

63. Install the control valve & TCM (1) to transmission case.

CAUTION:

JSDIA1913ZZ

JSDIA1813ZZ

JSDIA1719ZZ

JSDIA1823ZZ

2013 EX

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TRANSMISSION ASSEMBLY

TM-271

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

• Make sure that input speed sensor securely installs input

speed sensor holes (A).

• Hang down output speed sensor harness toward outside

so as not to disturb installation of the control valve &
TCM.

• Adjust joint connector of the control valve & TCM to ter-

minal hole of transmission case.

• Assemble it so that manual valve cutout is engaged with

manual plate projection.

64. Install bolts and clip (1) to the control valve & TCM. Tighten bolt

(E) to the specified torque before tightening the other than bolts.

*: Reamer bolt

65. Connect output speed sensor connector (A).
66. Engage output speed sensor harness with terminal clips (

).

JPDIA1106ZZ

SCIA5035E

: Front

Bolt symbol

Length mm (in)

Number of bolts

A

43 (1.69)

3

B

40 (1.57)

2

C

54 (2.13)

6

D

50 (1.97)

2

E*

50 (1.97)

1

JPDIA1105ZZ

JPDIA1104ZZ

2013 EX

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TM-272

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

67. Pull down joint connector (1).

CAUTION:

Be careful not to damage connector.

68. Install snap ring (1) to joint connector (2).

69. Install magnets (1) in oil pan.

70. Install oil pan gasket to transmission case.

CAUTION:

• Never reuse oil pan gasket.
• Install it in the direction to align hole positions.
• Completely remove all moisture, oil and old gasket, etc.

from oil pan gasket mounting surface.

71. Install oil pan (2) and clips (1) to transmission case.

CAUTION:

• Be careful not to pinch harnesses.
• Completely remove all moisture, oil and old gasket, etc.

from oil pan mounting surface.

72. Tighten oil pan mounting bolts to the specified torque in numeri-

cal order shown in the figure after temporarily tightening them.
Tighten oil pan mounting bolts to the specified torque.

CAUTION:

Never reuse oil pan mounting bolts.

73. Install drain plug and drain plug gasket to oil pan. Tighten drain

plug to the specified torque.

CAUTION:

Never reuse drain plug and drain plug gasket.

JSDIA1764ZZ

JSDIA1765ZZ

JPDIA0009ZZ

: Front

: Oil pan mounting bolt

JSDIA0793ZZ

: Front

JSDIA0794ZZ

2013 EX

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