Infiniti EX37. Transaxle and Transmission (2013 year). Manual - part 14

FLUID COOLER SYSTEM

TM-209

< REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

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5.

Disconnect heated oxygen sensor 2 connectors (A).

6.

Remove heated oxygen sensor 2 harness (B) from clips (1).

7.

Remove bracket (2) from A/T assembly. Refer to 

TM-214, "AWD

: Removal and Installation"

.

8.

Remove propeller shaft assembly (rear). Refer to 

DLN-104,

"Removal and Installation"

.

9.

Remove propeller shaft assembly (front). Refer to 

DLN-88,

"Removal and Installation"

.

10. Lift up a transmission jack to make the gap between converter housing of A/T assembly and front suspen-

sion member. 

CAUTION:

Never contact the A/T and transfer assembly with the lower lever of A/T shift selector when lifting
up a transmission jack. 

11. Remove A/T fluid cooler tubes from A/T assembly and engine.
12. Plug up opening such as the A/T fluid cooler tube hole.

13. Remove clips and brackets.

14. Remove A/T fluid cooler tubes from the vehicle.

CAUTION:

Be careful not to bend A/T fluid cooler tubes.

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

Never reuse copper washer.
• Refer to the following when installing A/T fluid cooler hoses.

*: Refer to the illustrations for the specific position each hose clamp tab.

- The illustrations indicate the view from the hose ends.

- When installing hose clamps center line of each hose clamp tab

should be positioned as shown in the figure.

- Insert A/T fluid cooler hoses according to dimension “L” described below.

: Vehicle front

: Bolt

SCIA8269E

Hose name

Hose end

Paint mark

Position of hose clamp

*

A/T fluid cooler hose A

Radiator assembly side

Facing backward

A

A/T fluid cooler tube side

Facing downward

B

A/T fluid cooler hose B

Radiator assembly side

Facing downward

C

A/T fluid cooler tube side

Facing downward

B

 D

: Vehicle front

 E

: Vehicle upper

JSDIA0795ZZ

(1)

(2)

Tube type

Dimension “L”

A/T fluid cooler hose A

Radiator assembly side

A

End reaches the radius curve end.

A/T fluid cooler tube side

B

30 mm (1.18 in) [End reaches the 2-stage bulge 
(D).]

2013 EX

TM-210

< REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

FLUID COOLER SYSTEM

- Set hose clamps (1) at the both ends of A/T fluid cooler hoses (2)

with dimension “A” from the hose edge.

- Hose clamp should not interfere with the bulge of fluid cooler tube.

AWD : Inspection and Adjustment

INFOID:0000000008285925

INSPECTION AFTER INSTALLATION

Check A/T fluid leakage. Refer to 

TM-173, "Inspection"

.

ADJUSTMENT AFTER INSTALLATION

Adjust A/T fluid level. Refer to 

TM-175, "Adjustment"

.

A/T fluid cooler hose B

Radiator assembly side

C

Insert the hose until the hose touches the radiator.

A/T fluid cooler tube side

B

30 mm (1.18 in) [End reaches the 2-stage bulge 
(D).]

(1)

(2)

Tube type

Dimension “L”

JSDIA0882ZZ

Dimension “A”

: 5 – 9 mm (0.20 – 0.35 in)

SCIA8123E

2013 EX

TRANSMISSION ASSEMBLY

TM-211

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

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UNIT REMOVAL AND INSTALLATION

TRANSMISSION ASSEMBLY

2WD

2WD : Exploded View

INFOID:0000000008285926

2WD : Removal and Installation

INFOID:0000000008285927

REMOVAL

CAUTION:

• When removing the A/T assembly from engine, first remove the crankshaft position sensor (POS)

from the A/T assembly.

• Be careful not to damage sensor edge.
1.

Shift the selector lever to “P” position, and then release the parking brake.

2.

Disconnect the battery cable from the negative terminal.

3.

Remove control rod from A/T shift selector assembly. Refer to 

TM-182, "Removal and Installation"

.

4.

Remove propeller shaft assembly (rear). Refer to 

DLN-95, "Removal and Installation"

.

5.

Remove manual lever from A/T assembly. Refer to 

TM-184, "Removal and Installation"

.

6.

Remove engine lower cover with a power tool. Refer to 

EXT-31, "Removal and Installation"

.

7.

Remove suspension member stay. Refer to 

FSU-18, "Removal and Installation"

.

8.

Remove exhaust mounting bracket. Refer to 

EX-6, "Removal and Installation"

.

9.

Remove three way catalyst (bank 1). Refer to 

EX-6, "Removal and Installation"

.

10. Remove crankshaft position sensor (POS) from A/T assembly. Refer to 

EM-121, "Exploded View"

.

1.

A/T assembly

2.

Bracket

3.

Bracket

4.

Bracket

5.

Bracket

A.

Tightening must be done following the installation procedure. Refer to 

TM-211, "2WD : Removal and Installation"

.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDIA0850GB

2013 EX

TM-212

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

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.

11. Remove starter motor. Refer to 

STR-20, "Removal and Installation"

.

12. Remove rear plate cover. Refer to 

EM-43, "Exploded View"

.

13. Turn crankshaft, and remove the four tightening bolts for drive plate and torque converter.

CAUTION:

When turning the crankshaft, turn it clockwise as viewed from the front of the engine.

14. Remove A/T fluid cooler tubes from A/T assembly and engine. Refer to 

TM-206, "2WD : Removal and

Installation"

.

15. Plug up openings such as the A/T fluid cooler tube hole.

16. Support A/T assembly with a transmission jack.

CAUTION:

When setting the transmission jack, be careful not to allow it to collide against the drain plug and
overflow plug.

17. Remove rear engine mounting member and engine mounting insulator (rear) with a power tool. Refer to

EM-69, "2WD : Exploded View"

.

18. Disconnect A/T assembly harness connector.

19. Remove harness and brackets.
20. Remove bolts fixing A/T assembly to engine with a power tool.

21. Remove air breather hose. Refer to 

TM-203, "2WD : Removal and Installation"

.

22. Remove A/T assembly from vehicle.

CAUTION:

• Secure torque converter to prevent it from dropping.
• Secure A/T assembly to a transmission jack.

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

Check fitting of dowel pin (

).

SCIA0499E

JPDIA0900ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-213

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

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• When installing A/T assembly to the engine, be sure to check

dimension “A” to ensure it is within the reference value limit.

• When installing A/T assembly to the engine, attach the fixing bolts

in accordance with the following standard.

*: Tightening the bolt with bracket.

• Align the positions of tightening bolts for drive plate with those of the torque converter, and temporarily

tighten the bolts. Then, tighten the bolts with the specified torque.

CAUTION:

• When turning crankshaft, turn it clockwise as viewed from the front of the engine.
• When tightening the tightening bolts for the torque converter after fixing the crankshaft pulley

bolts, be sure to confirm the tightening torque of the crankshaft pulley mounting bolts. Refer to

EM-51, "Removal and Installation"

.

• Rotate crankshaft several turns and check to be sure that A/T rotates freely without binding after

converter is installed to drive plate.

2WD : Inspection and Adjustment

INFOID:0000000008285928

INSPECTION AFTER INSTALLATION

• Check A/T fluid leakage. Refer to 

TM-173, "Inspection"

.

• Check A/T position after adjusting A/T positions. Refer to 

TM-180, "Inspection and Adjustment"

.

ADJUSTMENT AFTER INSTALLATION

• Adjust A/T fluid level. Refer to 

TM-175, "Adjustment"

.

• Adjust A/T position. Refer to 

TM-180, "Inspection and Adjustment"

.

AWD

B

:  Scale

C

: Straightedge

Dimension “A”

: Refer to 

TM-303, "Torque Convert-

er"

.

JPDIA0042ZZ

Bolt symbol

A

B

Insertion direction

A/T assembly to engine

Engine to A/T assembly

Number of bolts

8

4

Bolt length “L”
mm (in)

65 (2.56)

35 (1.38)

Tightening torque
N·m (kg-m, ft-lb)

75 (7.7, 55)

46.6 (4.8, 34)

JPDIA0979ZZ

2013 EX

TM-214

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

AWD : Exploded View

INFOID:0000000008285929

AWD : Removal and Installation

INFOID:0000000008285930

REMOVAL

CAUTION:

• When removing the A/T assembly from engine, first remove the crankshaft position sensor (POS)

from the A/T assembly.

• Be careful not to damage sensor edge.

1.

Shift the selector lever to “P” position, and then release the parking brake.

2.

Disconnect the battery cable from the negative terminal.

3.

Remove control rod from A/T shift selector assembly. Refer to 

TM-182, "Removal and Installation"

.

4.

Remove propeller shaft assembly (rear). Refer to 

DLN-104, "Removal and Installation"

.

5.

Remove propeller shaft assembly (front). Refer to 

DLN-88, "Removal and Installation"

.

6.

Remove crankshaft position sensor (POS) from A/T assembly. Refer to 

EM-121, "Exploded View"

.

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.

7.

Remove starter motor. Refer to 

STR-20, "Removal and Installation"

.

8.

Remove rear plate cover. Refer to 

EM-43, "Exploded View"

.

9.

Turn crankshaft, and remove the four tightening bolts for drive plate and torque converter.

CAUTION:

When turning the crankshaft, turn it clockwise as viewed from the front of the engine.

1.

A/T assembly

2.

Bracket

3.

Bracket

4.

Bracket

5.

Bracket

A.

Tightening must be done following the installation procedure. Refer to 

TM-214, "AWD : Removal and Installation"

.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDIA0849GB

2013 EX

TRANSMISSION ASSEMBLY

TM-215

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

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10. Remove A/T fluid cooler tubes. Refer to 

TM-208, "AWD : Removal and Installation"

.

NOTE:
Cap or plug openings to prevent fluid from spilling.

11. Support A/T assembly with a transmission jack.

CAUTION:

When setting the transmission jack, be careful not to allow it to collide against the drain plug and
overflow plug.

12. Remove rear engine mounting member and engine mounting insulator (rear) with power tool. Refer to

EM-73, "AWD : Exploded View"

.

13. Disconnect A/T assembly connector and AWD solenoid connector.

14. Remove harness and brackets.

15. Remove bolts fixing A/T assembly to engine with a power tool.
16. Remove A/T air breather hose and air breather tube. Refer to 

TM-204, "AWD : Removal and Installation"

.

17. Remove transfer air breatherr hose. Refer to 

DLN-63, "Removal and Installation"

.

18. Remove A/T assembly with transfer assembly from vehicle.

CAUTION:

• Secure torque converter to prevent it from dropping.
• Secure A/T assembly to a transmission jack.

19. Remove transfer assembly from A/T assembly with a power

tool. Refer to 

DLN-63, "Removal and Installation"

.

20. Remove manual lever from A/T assembly. Refer to 

TM-184,

"Removal and Installation"

.

INSTALLATION

Note the following, and Install in the reverse order of removal.

CAUTION:

Check fitting of dowel pin (

).

• When installing A/T assembly to the engine, be sure to check

dimension “A” to ensure it is within the reference value limit.

SCIA2203E

JPDIA0900ZZ

B

:  Scale

C

: Straightedge

Dimension “A”

: Refer to 

TM-303, "Torque Converter"

.

JPDIA0042ZZ

2013 EX

TM-216

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

• When installing A/T assembly to the engine, attach the fixing bolts

in accordance with the following standard.

*: Tightening the bolt with air breather tube.

• Align the positions of tightening bolts for drive plate with those of the torque converter, and temporarily

tighten the bolts. Then, tighten the bolts with the specified torque.

CAUTION:

• When turning crankshaft, turn it clockwise as viewed from the front of the engine.
• When tightening the tightening bolts for the torque converter after fixing the crankshaft pulley

bolts, be sure to confirm the tightening torque of the crankshaft pulley mounting bolts. Refer to

EM-51, "Removal and Installation"

.

• Rotate crankshaft several turns and check to be sure that A/T rotates freely without binding after

converter is installed to drive plate.

AWD : Inspection and Adjustment

INFOID:0000000008285931

INSPECTION AFTER INSTALLATION

• Check A/T fluid leakage. Refer to 

TM-173, "Inspection"

.

• Check A/T position after adjusting A/T positions. Refer to 

TM-180, "Inspection and Adjustment"

.

ADJUSTMENT AFTER INSTALLATION

• Adjust A/T fluid level. Refer to 

TM-175, "Adjustment"

.

• Adjust A/T position. Refer to 

TM-180, "Inspection and Adjustment"

.

Bolt symbol

A

B

Insertion direction

A/T assembly to engine

Engine to A/T assembly

Number of bolts

8

4

Bolt length “L”
mm (in)

65 (2.56)

35 (1.38)

Tightening torque
N·m (kg-m, ft-lb)

75 (7.7, 55)

46.6 (4.8, 34)

JPDIA0979ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-217

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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UNIT DISASSEMBLY AND ASSEMBLY

TRANSMISSION ASSEMBLY

Exploded View

INFOID:0000000008285932

2WD MODELS

JPDIA1140GB

2013 EX

TM-218

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

1.

Torque converter

2.

Converter housing

3.

Oil pump housing oil seal

4.

Oil pump housing

5.

O-ring

6.

Oil pump cover

7.

O-ring

8.

D-ring

9.

D-ring

10.

Front brake piston

11.

Front brake spring retainer

12.

Snap ring

13.

D-ring

14.

D-ring

15.

2346 brake piston

16.

2346 brake spring retainer

17.

Snap ring

18.

Seal ring

19.

2346 brake dish plate

20.

2346 brake driven plate

21.

2346 brake drive plate

22.

2346 brake retaining plate

23.

Snap ring

24.

Bearing race

25.

Needle bearing

26.

Under drive sun gear

27.

Needle bearing

28.

Front brake retaining plate

29.

Front brake drive plate

30.

Front brake driven plate

31.

Front brake retaining plate

32.

Snap ring

33.

1st one-way clutch

34.

Snap ring

35.

Under drive carrier assembly

36.

Front brake hub

: Apply Genuine RTV silicone sealant or equivalent. Refer to 

GI-22, "Recommended Chemical Products and Sealants"

.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

JPDIA1188ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-219

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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1.

Needle bearing

2.

Snap ring

3.

Front carrier assembly

4.

Needle bearing

5.

O-ring

6.

Seal ring

7.

Input clutch assembly

8.

Rear internal gear

9.

Needle bearing

10.

Mid carrier assembly

11.

Needle bearing

12.

Bearing race

13.

Rear carrier assembly

14.

Needle bearing

15.

Mid sun gear

16.

Seal ring

17.

Rear sun gear

18.

2nd one-way clutch

19.

Snap ring

20.

Needle bearing

21.

High and low reverse clutch hub

22.

Snap ring

23.

Bearing race

24.

Needle bearing

Refer to 

GI-4, "Components"

 for symbols in the figure.

2013 EX

TM-220

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

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

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

JPDIA1190ZZ

2013 EX

TRANSMISSION ASSEMBLY

TM-221

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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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

7.

Bracket

8.

O-ring

9.

Self-sealing bolt

10.

Baffle plate

11.

O-ring

12. Seal ring

JSDIA1947GB

2013 EX

TM-222

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

AWD MODELS

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.

Needle bearing

29. Parking gear

30. Seal ring

31.

Output shaft

32. 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.

Rear extension

7.

Self-sealing bolt

8.

Rear oil seal

*: Apply Genuine Anaerobic Liquid Gasket or equivalent. Refer to 

GI-22, "Recommended Chemical Products and Sealants"

.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

JSDIA1894GB

2013 EX

TRANSMISSION ASSEMBLY

TM-223

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

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TM

N

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1.

Torque converter

2.

Converter housing

3.

Oil pump housing oil seal

4.

Oil pump housing

5.

O-ring

6.

Oil pump cover

7.

O-ring

8.

D-ring

9.

D-ring

10.

Front brake piston

11.

Front brake spring retainer

12.

Snap ring

13.

D-ring

14.

D-ring

15.

2346 brake piston

16.

2346 brake spring retainer

17.

Snap ring

18.

Seal ring

JPDIA1140GB

2013 EX

TM-224

< UNIT DISASSEMBLY AND ASSEMBLY >

[7AT: RE7R01A]

TRANSMISSION ASSEMBLY

19.

2346 brake dish plate

20.

2346 brake driven plate

21.

2346 brake drive plate

22.

2346 brake retaining plate

23.

Snap ring

24.

Bearing race

25.

Needle bearing

26.

Under drive sun gear

27.

Needle bearing

28.

Front brake retaining plate

29.

Front brake drive plate

30.

Front brake driven plate

31.

Front brake retaining plate

32.

Snap ring

33.

1st one-way clutch

34.

Snap ring

35.

Under drive carrier assembly

36.

Front brake hub

: Apply Genuine RTV silicone sealant or equivalent. Refer to 

GI-22, "Recommended Chemical Products and Sealants"

.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

1.

Needle bearing

2.

Snap ring

3.

Front carrier assembly

4.

Needle bearing

5.

O-ring

6.

Seal ring

7.

Input clutch assembly

8.

Rear internal gear

9.

Needle bearing

10.

Mid carrier assembly

11.

Needle bearing

12.

Bearing race

13.

Rear carrier assembly

14.

Needle bearing

15.

Mid sun gear

16.

Seal ring

17.

Rear sun gear

18.

2nd one-way clutch

19.

Snap ring

20.

Needle bearing

21.

High and low reverse clutch hub

JPDIA1188ZZ

2013 EX