Infiniti EX37. Transaxle and Transmission (2013 year). Instruction - page 16

TRANSMISSION ASSEMBLY

TM-241

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

i.

Remove tightening bolts for rear extension assembly and trans-
mission case.

ii.

Tap rear extension assembly using a soft hammer.

CAUTION:

Be careful not to damage rear extension.

iii.

Remove rear extension assembly from transmission case. (With
needle bearing.)

iv.

Remove bearing race from output shaft.

v.

Remove output shaft from transmission case by rotating left/
right.

A

: Bolt

B

: Self-sealing bolt

JPDIA1138ZZ

SCIA5028E

SCIA5029E

SCIA5245E

SCIA5030E

2013 EX

TM-242

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

vi. Remove parking gear (1) from output shaft (2).

vii. Remove seal rings (1) from output shaft.

b.

AWD

i.

Remove tightening bolts for adapter case assembly and trans-
mission case.

JPDIA0029ZZ

JPDIA0030ZZ

1

: Bracket

A

: Bolt

B

: Self-sealing bolt

JPDIA1137ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-243

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

ii.

Tap adapter case assembly using a soft hammer.

CAUTION:

Be careful not to damage adapter case.

iii.

Remove adapter case assembly from transmission case. (With
needle bearing)

iv.

Remove bearing race from output shaft.

v.

Remove output shaft from transmission case by rotating left/
right.

vi. Remove gasket from transmission case.

SCIA5201E

SCIA5186E

SCIA5245E

SCIA5030E

SCIA5231E

2013 EX

TM-244

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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 reverse

brake 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

2013 EX

TRANSMISSION ASSEMBLY

TM-245

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

47. Remove N-spring from transmission case.

48. Remove reverse brake component part (drive plates, driven

plates and dish plates) from transmission case.

49. Remove snap ring (fixing spring retainer) using a flat-bladed

screwdriver.

CAUTION:

• Be careful not to scratch transmission case and spring

retainer.

• 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.

SCIA5214E

SCIA2322E

SCIA2323E

SCIA2324E

SCIA3333E

2013 EX

TM-246

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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-228, "Oil Channel"

.

CAUTION:

Care should be taken not to abruptly 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 retaining pin with pair of nippers.

CAUTION:

Be careful not to cut retaining pin.

SCIA2796E

A

: Reverse brake pressure hole

JSDIA1819ZZ

SCIA6330E

SCIA2329E

2013 EX

TRANSMISSION ASSEMBLY

TM-247

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

56. Remove manual plate (1) from detent spring (2).

57. Remove parking rod (3) from manual plate.
58. Install manual plate to detent spring.

59. Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to

knock out retaining pin (1).

60. Remove manual plate from manual shaft.

61. Remove manual shaft from transmission case.

62. Remove manual shaft oil seals using a flat-bladed screwdriver.

CAUTION:

Be careful not to scratch transmission case.

JPDIA1131ZZ

JPDIA1132ZZ

SCIA5715E

SCIA5716E

SCIA2331E

2013 EX

TM-248

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

63. Remove detent spring (1) from transmission case.

64. Remove needle bearing (1) from rear extension (2WD) or

adapter case (AWD).

65. Remove parking actuator support from rear extension (2WD) or

adapter case (AWD).

66. Remove parking pawl (with return spring) and pawl shaft from

rear extension (2WD) or adapter case (AWD).

67. Remove return spring (1) from parking pawl (2).

: Bolt

JPDIA1134ZZ

SCIA6179J

SCIA3423E

SCIA3424E

SCIA6180J

2013 EX

TRANSMISSION ASSEMBLY

TM-249

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

68. Remove rear oil seal from rear extension (B) or adapter case (C)

using a flat-bladed screwdriver (A).

CAUTION:

Be careful not to scratch rear extension (2WD) or adapter
case (AWD).

Assembly

INFOID:0000000008285937

1.

As shown in the figure, use a drift [22 mm (0.87 in) dia. commer-
cial service tool] to drive manual shaft oil seals into the transmis-
sion case until it is flush.

CAUTION:

• Never reuse manual shaft oil seals.
• Apply ATF to manual shaft oil seals.

2.

Install detent spring (1) to transmission case. Tighten detent
spring bolt to the specified torque.

B

: 2WD

C

: AWD

JSDIA0157ZZ

SCIA5259E

: Bolt

JPDIA1134ZZ

2013 EX

TM-250

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

3.

Install manual shaft to transmission case.

4.

Install parking rod (1) to manual plate (2).

5.

Install manual plate (with parking rod) to manual shaft.

6.

Install retaining pin (1) into the manual plate and manual shaft.

a.

Fit pinhole of the manual plate to pinhole of the manual shaft
with a pin punch.

b.

Use a hammer to tap the retaining pin into the manual plate.

CAUTION:

Drive retaining pin to 2

±

0.5 mm (0.08

±

0.020 in) over the

manual plate.

7.

Install retaining pin into the transmission case and manual shaft.

a.

Fit pinhole of the transmission case to pinhole of the manual
shaft with a pin punch.

b.

Use a hammer to tap the retaining pin into the transmission
case.

CAUTION:

Drive retaining pin to 5

±

1 mm (0.20

±

0.04 in) over the trans-

mission case.

SCIA5716E

JSDIA1820ZZ

SCIA5715E

A

: Approx. 2 mm (0.08 in)

JPDIA1133ZZ

SCIA2427E

2013 EX

TRANSMISSION ASSEMBLY

TM-251

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

8.

Install D-rings to reverse brake piston.

9.

Install reverse brake piston to transmission case.

10. Install needle bearing to drum support edge surface.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"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 to transmission case.

SCIA6330E

SCIA2325E

SCIA2796E

SCIA3333E

SCIA2324E

2013 EX

TM-252

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

13. Set the clutch spring compressor [SST: KV31102400 (J-34285

and J-34285-87)] (A) on reverse brake spring retainer and install
snap ring (fixing spring retainer) (1) to transmission case while
compressing return spring.

CAUTION:

• Securely assemble them using a flat-bladed screwdriver

so that snap ring tension is slightly weak.

• Be careful not to damage snap ring.

14. Install reverse brake component part (dish plates, driven plates,

and drive plates) to transmission case.

CAUTION:

Check order of plates.

15. Assemble N-spring.
16. Install reverse brake retaining plate to transmission case.

JPDIA1186ZZ

1

: Snap ring

2

: Retaining plate

3

: Drive plate (six pieces)

4

: Driven plate (six pieces)

5

: Dish plate

6

: Dish plate

JPDIA1135ZZ

SCIA5249E

2013 EX

TRANSMISSION ASSEMBLY

TM-253

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

17. Install snap ring to transmission case.

CAUTION:

Be careful not to damage snap ring.

18. Measure clearance between reverse brake retaining plate and

snap ring. If not within specified clearance, select proper retain-
ing plate.

19. Install needle bearing to transmission case.

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

20. Install output speed sensor (1) to transmission case and tighten

output speed sensor mounting 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 reverse brake clearance “A”

Standard: Refer to

TM-303, "Reverse Brake Clear-

ance"

.

Retaining plate: Refer to

TM-303, "Reverse Brake Clear-

ance"

SCIA3129E

SCIA5031E

JSDIA1321ZZ

2013 EX

TM-254

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

21. As shown in the figure, use the drift to drive rear oil seal into the

rear extension (2WD) (A) or adapter case (AWD) (B) until it is
flush.

CAUTION:

• Never reuse rear oil seal.
• Apply ATF to rear oil seal.
• Never incline rear oil seal.

22. Install return spring (1) to parking pawl (2).

23. Install parking pawl (with return spring) and pawl shaft to rear

extension (2WD) or adapter case (AWD).

24. Install parking actuator support to rear extension (2WD) or

adapter case (AWD).

1

: Drift [SST: 33400001 (J-26082)]

2

: Drift [Commercial service tool Ø64 mm (2.52 in)]

JSDIA1914ZZ

SCIA6180J

SCIA3424E

SCIA3423E

2013 EX

TRANSMISSION ASSEMBLY

TM-255

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

25. Install needle bearing (1) to rear extension (2WD) or adapter

case (AWD).

CAUTION:

Check the direction of needle bearing. Refer to

TM-228,

"Location of Needle Bearings and Bearing Races"

.

26. Install rear extension assembly (2WD) or adapter case assembly (AWD) according to the following proce-

dures.

a.

2WD

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.)

SCIA6179J

JPDIA0030ZZ

JPDIA0029ZZ

SCIA5030E

2013 EX

TM-256

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

iv.

Install bearing race to output shaft.

v.

Apply recommended sealant to rear extension assembly as
shown in the figure.
Use Anaerobic Liquid Gasket or an equivalent. Refer to

GI-22,

"Recommended Chemical Products and Sealants"

.

CAUTION:

Completely remove all moisture, oil and old sealant, etc.
from the transmission case and rear extension assembly
mounting surfaces.

vi. Install rear extension assembly to transmission case.

CAUTION:

Insert the tip of parking rod between the parking pawl and
the parking actuator support when assembling the rear
extension assembly.

vii. Tighten rear extension assembly bolts to the specified torque.

SCIA5245E

Sealant starting
point and end-
point (A)

: Start and finish point shall be in
the center of two bolts.

Overlap width of
sealant starting
point and end-
point (B)

: 3 – 5 mm (0.12 – 0.20 in)

Sealant width (C)

: 1.0 – 2.0 mm (0.04 – 0.08 in)

Sealant height (C)

: 0.4 – 1.0 mm (0.016 – 0.04 in)

JSDIA1855ZZ

SCIA5029E

A

: Bolt

B

: Self-sealing bolt

JPDIA1138ZZ

2013 EX