Infiniti FX35 / FX45. Manual - part 79

AT-244

< SERVICE INFORMATION >

TRANSMISSION ASSEMBLY

COMPONENTS (FOR VK45DE)

1.

A/T fluid charging pipe

2.

O-ring

3.

Engine mounting insulator (rear)

4.

Rear engine mounting member

5.

Copper washer

6.

Bracket

7.

Fluid cooler tube

8.

Bracket

9.

A/T assembly

10. A/T fluid level gauge

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TRANSMISSION ASSEMBLY

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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.

Disconnect the battery cable from the negative terminal.

2.

Remove engine cover.

3.

Remove A/T fluid level gauge.

4.

Remove engine under cover with power tool.

5.

Remove front cross bar. Refer to 

FSU-6, "Removal and Installation"

.

6.

Remove exhaust front tube and center muffler with power tool. Refer to 

EX-3, "Component"

.

7.

Remove three way catalyst. Refer to 

EM-179, "Removal and Installation"

.

8.

Remove front propeller shaft. Refer to 

PR-4, "Removal and Installation"

.

9.

Remove rear propeller shaft. Refer to 

PR-9, "Removal and Installation"

.

10. Remove control rod. Refer to 

AT-206, "Control Rod Removal and Installation"

.

1.

A/T fluid charging pipe

2.

O-ring

3.

Engine mounting insulator (rear)

4.

Rear engine mounting member

5.

Copper washer

6.

Bracket

7.

Fluid cooler tube

8.

Bracket

9.

Bracket

10. Bracket

11.

A/T assembly

12. A/T fluid level gauge

SCIA6426E

AT-246

< SERVICE INFORMATION >

TRANSMISSION ASSEMBLY

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

CAUTION:

• Do not subject it to impact by dropping or hitting it.
• Do not disassemble.
• Do not allow metal filings, etc., to get on the sensor's front

edge magnetic area.

• Do not place in an area affected by magnetism.

12. Remove starter motor. Refer to 

SC-15, "Removal and Installa-

tion [VQ35DE Engine Models (AWD)]"

 (for VQ35DE) or 

SC-13,

"Removal and Installation (VK45DE Engine Models)"

 (for

VK45DE).

13. Disconnect fluid cooler tube from A/T assembly.

14. Remove rear plate cover. Refer to 

EM-36, "Removal and Instal-

lation (AWD Models)"

 (for VQ35DE) or 

EM-183, "Removal and

Installation"

 (for VK45DE).

15. Turn crankshaft, and remove the four tightening bolts for drive

plate and torque converter.

CAUTION:

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

16. Remove dynamic damper (for VQ35DE). Refer to 

EM-117,

"Removal and Installation (AWD Models)"

.

17. 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.

18. Remove rear engine mounting member with power tool.
19. Remove engine mounting insulator (rear).

20. Tilt the A/T assembly slightly to keep the clearance between

body and A/T assembly, and then disconnect air breather hose
from A/T fluid charging pipe. Refer to 

AT-239, "Removal and

Installation"

.

21. Disconnect A/T assembly harness connector and transfer assembly harness connector.

22. Remove A/T fluid charging pipe.
23. Remove O-ring from A/T fluid charging pipe.

24. Plug up openings such as the A/T fluid charging pipe hole, etc.

25. Remove bolts fixing transmission assembly to engine with power tool.

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TRANSMISSION ASSEMBLY

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

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

27. Remove transfer from A/T assembly. Refer to 

TF-40, "Removal

and Installation"

.

INSPECTION

Installation and Inspection of Torque Converter

• After inserting a torque converter to a A/T, be sure to check dis-

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

INSTALLATION

Install the removed parts in the reverse order of the removal, while paying attention to the following work.
• When installing A/T assembly to the engine assembly, attach the fixing bolts in accordance with the following

standard.
For VQ35DE models

For VK45DE models

*1 : No.2 bolt also secures A/T fluid charging pipe and washer.

*2 : No.4 bolt also secures bracket.

(A) : A/T to engine

SCIA2203E

Distance “A”

VQ35DE models

: 25.0 mm (0.98 in) or more

VK45DE models

: 22.0 mm (0.87 in) or more

SAT017B

Bolt  No.

1

2

3

4

Number  of  bolts

1

5

2

1

Bolt length

 

“

”mm  (in)

55 (2.17)

65 (2.56)

35 (1.38)

40 (1.57)

Tightening torque
N·m (kg-m, ft-lb)

75

(7.7, 55)

47

(4.8, 35)

34

(3.5, 25)

SCIA4600E

Bolt No.

1

2

*1

3

4

*2

Number of bolts

4

1

4

1

Bolt length

mm (in)

70 (2.76)

70 (2.76)

65 (2.56)

70 (2.76)

Tightening torque
N·m (kg-m, ft-lb)

113

(12, 83)

74.0

(7.5, 55)

113

(12,83)

SCIA7756E