Infiniti EX37. Transaxle and Transmission (2013 year). Manual - part 15

TRANSMISSION ASSEMBLY

TM-225

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22.

Snap ring

23.

Bearing race

24.

Needle bearing

Refer to 

GI-4, "Components"

 for symbols in the figure.

1.

Bearing race

2.

High and low reverse clutch as-
sembly

3.

Needle bearing

4.

Direct clutch assembly

5.

Needle bearing

6.

Reverse brake dish plate

7.

Reverse brake dish plate

8.

Reverse brake driven plate

9.

N-spring

JPDIA1190ZZ

2013 EX

TM-226

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

10. Snap ring

11.

Reverse brake retaining plate

12. Reverse brake drive plate

13. Snap ring

14. Reverse brake spring retainer

15. Reverse brake return spring

16. Reverse brake piston

17. D-ring

18. D-ring

Refer to 

GI-4, "Components"

 for symbols in the figure.

1.

Parking rod

2.

Manual plate

3.

Manual shaft

4.

Retaining pin

5.

Detent spring

6.

Manual shaft oil seal

JSDIA1965GB

2013 EX

TRANSMISSION ASSEMBLY

TM-227

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[7AT: RE7R01A]

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7.

Bracket

8.

O-ring

9.

Self-sealing bolt

10.

Baffle plate

11.

O-ring

12. Seal ring

13.

Snap ring

14. Oil pan gasket

15. Oil pan

16.

Clip

17. Oil pan mounting bolt

18. Overflow plug

19.

Drain plug

20. Drain plug gasket

21. Magnet

22.

Clip

23. Control valve & TCM

24. Joint connector

25.

Transmission case

26. Retaining pin

27. Output speed sensor

28.

Gasket

29. Needle bearing

30. Parking gear

31.

Seal ring

32. Output shaft

33. Bearing race

Refer to 

GI-4, "Components"

 for symbols in the figure.

1.

Parking actuator support

2.

Parking pawl

3.

Pawl shaft

4.

Return spring

5.

Needle bearing

6.

Self-sealing bolt

7.

Rear oil seal

8.

Adapter case

9.

Bracket

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDIA1198GB

2013 EX

TM-228

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

Oil Channel

INFOID:0000000008285933

Location of Needle Bearings and Bearing Races

INFOID:0000000008285934

2WD MODELS

JSDIA1716GB

2013 EX

TRANSMISSION ASSEMBLY

TM-229

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JPDIA1144ZZ

Location

Item

Outer diameter

mm (in)

A

(1) Needle bearing

94 (3.701)

B

(2) Bearing race

58.6 (2.307)

(3) Needle bearing

60 (2.362)

C

(4) Needle bearing

84.6 (3.331)

D

(5) Needle bearing

77 (3.031)

E

(6) Needle bearing

47 (1.850)

F

(7) Needle bearing

84 (3.307)

(8) Bearing race

82 (3.228)

G

(9) Needle bearing

80 (3.150)

H

(10) Needle bearing

92 (3.622)

I

(11) Bearing race

61.1 (2.406)

(12) Needle bearing

60 (2.362)

(13) Bearing race

61.9 (2.437)

J

(14) Needle bearing

62.8 (2.472)

K

(15) Needle bearing

92 (3.622)

L

(16) Needle bearing

65 (2.559)

2013 EX

TM-230

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TRANSMISSION ASSEMBLY

AWD MODELS

M

(17) Bearing race

58 (2.283)

(18) Needle bearing

60 (2.362)

Location

Item

Outer diameter

mm (in)

JPDIA1145ZZ

Location

Item

Outer diameter

mm (in)

A

(1) Needle bearing

94 (3.701)

B

(2) Bearing race

58.6 (2.307)

(3) Needle bearing

60 (2.362)

C

(4) Needle bearing

84.6 (3.331)

D

(5) Needle bearing

77 (3.031)

E

(6) Needle bearing

47 (1.850)

F

(7) Needle bearing

84 (3.307)

(8) Bearing race

82 (3.228)

G

(9) Needle bearing

80 (3.150)

H

(10) Needle bearing

92 (3.622)

2013 EX

TRANSMISSION ASSEMBLY

TM-231

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Location of Snap Rings

INFOID:0000000008285935

2WD MODELS

I

(11) Bearing race

61.1 (2.406)

(12) Needle bearing

60 (2.362)

(13) Bearing race

61.9 (2.437)

J

(14) Needle bearing

62.8 (2.472)

K

(15) Needle bearing

92 (3.622)

L

(16) Needle bearing

65 (2.559)

M

(17) Bearing race

58 (2.283)

(18) Needle bearing

60 (2.362)

Location

Item

Outer diameter

mm (in)

Location

Shape of snap ring

Outer diameter

mm (in)

1

A

159.9 (6.295)

2

B

159 (6.260)

3

B

216 (8.504)

4

B

180.4 (7.102)

5

C

171.5 (6.752)

6

B

169 (6.654)

7

B

180.5 (7.106)

8

B

181.0 (7.126)

9

D

64.6 (2.543)

10

B

136 (5.354)

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E

70.5 (2.776)

JPDIA1146ZZ

2013 EX

TM-232

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

AWD MODELS

Disassembly

INFOID:0000000008285936

CAUTION:

Never disassemble parts behind drum support. Refer to 

TM-31, "Cross-Sectional View"

.

1.

Drain ATF through drain plug.

12

B

135 (5.315)

13

A

48.4 (1.906)

Location

Shape of snap ring

Outer diameter

mm (in)

Location

Shape of snap ring

Outer diameter

mm (in)

1

A

159.9 (6.295)

2

B

159 (6.260)

3

B

216 (8.504)

4

B

180.4 (7.102)

5

C

171.5 (6.752)

6

B

169 (6.654)

7

B

180.5 (7.106)

8

B

181.0 (7.126)

9

D

64.6 (2.543)

10

B

136 (5.354)

11

E

70.5 (2.776)

12

B

135 (5.315)

13

A

48.4 (1.906)

JPDIA1147ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-233

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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2.

Remove torque converter by holding it firmly and turning while
pulling straight out.

3.

Remove tightening bolts (

) for converter housing and trans-

mission case.

4.

Remove converter housing from transmission case.

CAUTION:

Be careful not to scratch converter housing.

5.

Remove O-ring from input clutch assembly.

6.

Remove tightening bolts (

) for oil pump assembly and trans-

mission case.

SCIA5010E

JSDIA1913ZZ

SCIA5011E

JPDIA1108ZZ

2013 EX

TM-234

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

7.

Attach the sliding hammers [SST: ST25850000 (J-25721-A)] (A)
to oil pump assembly (1) and extract it evenly from transmission
case.

CAUTION:

• Fully tighten the sliding hammer screws.
• Make sure that bearing race is installed to the oil pump

assembly edge surface.

8.

Remove O-ring (1) from oil pump assembly.

9.

Remove bearing race (1) from oil pump assembly.

10. Remove seal ring (1) from oil pump assembly.

B

: Sliding hammer attachment position

JPDIA1109ZZ

JPDIA1110ZZ

JPDIA1111ZZ

JSDIA1721ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-235

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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

assembly.

12. Remove needle bearing (1) from under drive sun gear.

13. Remove needle bearing (1) from under drive carrier assembly.

14. Remove front brake component part (retaining plates, drive

plates and driven plate) from transmission case by using a wire
(A) with its tip bent like a hook.

15. Remove snap ring (1) from transmission case using a flat-

bladed screwdriver.

CAUTION:

• Be careful not to scratch transmission case and 1st one-

way clutch.

• Be careful not to damage snap ring.

JPDIA1112ZZ

JPDIA1113ZZ

JPDIA1114ZZ

JPDIA1115ZZ

JPDIA1116ZZ

2013 EX

TM-236

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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

JPDIA1120ZZ

JPDIA1121ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-237

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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21. Remove mid carrier assembly and rear carrier assembly as a

unit.

22. Remove mid carrier assembly from rear carrier assembly.

23. Remove needle bearing (front side) from mid carrier assembly.

24. Remove needle bearing (rear side) from mid carrier assembly.

25. Remove bearing race from rear carrier assembly.

SCIA5017E

SCIA5697E

SCIA2805E

SCIA2804E

SCIA5175E

2013 EX

TM-238

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[7AT: RE7R01A]

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.

SCIA2803E

SCIA5018E

SCIA2306E

SCIA5019E

SCIA5198E

2013 EX

TRANSMISSION ASSEMBLY

TM-239

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[7AT: RE7R01A]

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31. Remove snap ring (1) from joint connector (A).

32. Push joint connector (A).

CAUTION:

Be careful not to damage connector.

33. Remove oil pan mounting bolts (

).

34. Remove oil pan (2) and oil pan gasket.

35. Remove magnets (1) from oil pan.

36. Disconnect output speed sensor connector (A).

CAUTION:

Be careful not to damage connector.

37. Disengage terminal clips (

).

JPDIA0007ZZ

JPDIA0008ZZ

1

: Clip

: Front

JSDIA0793ZZ

JPDIA0009ZZ

JPDIA1104ZZ

2013 EX

TM-240

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

38. Remove control valve & TCM mounting bolts and clip (1) from

the control valve & TCM.

*: Reamer bolt

39. Remove the control valve & TCM (1) from transmission case.

CAUTION:

When removing, never with the manual valve notch and
manual plate height. Remove it vertically.

40. Remove joint connector (1) from the control valve & TCM using

a flat-bladed screwdriver (A).

41. Disconnect TCM connector (A).

CAUTION:

Be careful not to damage connector.

42. Remove rear extension assembly (2WD) or adapter case assembly (AWD) according to the following pro-

cedures.

a.

2WD

: 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

JSDIA1823ZZ

JSDIA1718ZZ

JSDIA1813ZZ

2013 EX