Infiniti QX56 (Z62). Manual - part 1324

TRANSMISSION ASSEMBLY

TM-205

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01B]

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UNIT REMOVAL AND INSTALLATION

TRANSMISSION ASSEMBLY

2WD

2WD : Exploded View

INFOID:0000000006233263

2WD : Removal and Installation

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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.

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

2.

Disconnect the battery cable from the negative terminal.

3.

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.

4.

Remove rear engine mounting cross member.

5.

Remove engine mounting insulator (rear).

6.

Remove control cable from A/T assembly. Refer to 

TM-178, "Removal and Installation"

.

7.

Disconnect heated oxygen sensor 2 connectors (bank 1 and bank 2). Refer to 

EX-5, "Exploded View"

.

1.

A/T assembly

2.

Front suspension rear cross mem-
ber

3.

Rear engine mounting cross 
member

4.

Engine mounting insulator (rear)

A.

Tightening must be done following the installation procedure. Refer to 

TM-205, "2WD : Removal and Installation"

.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JSDIA1856GB

TM-206

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01B]

TRANSMISSION ASSEMBLY

8.

Remove exhaust front tube (RH and LH) and main muffler. Refer to 

EX-5, "Exploded View"

.

9.

Separate propeller shaft assembly. Refer to 

DLN-144, "Removal and Installation"

.

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

10. Remove front under cover with a power tool. Refer to 

EXT-25, "Removal and Installation"

.

11. Remove protector A and B. Refer to 

SCS-32, "FRONT TUBE ASSEMBLY : Exploded View"

.

12. Remove front suspension rear cross member.

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

EM-106, "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.

14. Remove rear plate cover. Refer to 

EM-54, "Exploded View"

.

15. 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.

16. Remove A/T fluid cooler tube A and D. Refer to 

TM-202, "Exploded View"

.

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

17. Remove bolts fixing A/T assembly to engine with a power tool.
18. Disconnect connector from A/T assembly.

19. Remove harness and brackets from A/T assembly.

20. Remove A/T assembly from the vehicle.

CAUTION:

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

21. Remove air breather hose and bracket. Refer to 

TM-199, "2WD

: Exploded View"

.

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

TM-178,

"Exploded View"

.

INSTALLATION

Note the following, and Install in the reverse order of removal.
• Check fitting of dowel pin (

).

ATA0025D

JSDIA1597ZZ

TRANSMISSION ASSEMBLY

TM-207

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01B]

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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 (and washer). Refer to 

TM-199, "2WD : Exploded View"

.

• 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-62, "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:0000000006233265

INSPECTION AFTER INSTALLATION

• Check A/T fluid leakage. Refer to 

TM-175, "Inspection"

.

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

TM-101, "Inspection"

.

ADJUSTMENT AFTER INSTALLATION

• Adjust A/T fluid level. Refer to 

TM-95, "Adjustment"

.

• Adjust A/T position. Refer to 

TM-101, "Adjustment"

.

• Perform decel G sensor calibration when replacing A/T assembly. Refer to 

TM-91, "Special Repair Require-

ment"

.

4WD

B

:  Scale

C

: Straightedge

Dimension “A”

: Refer to 

TM-297, "Torque Convert-

er"

.

JPDIA0042ZZ

Bolt symbol

A

Insertion direction

A/T assembly to engine

Number of bolts

9

Bolt length “L”
mm (in)

70 (2.76)

Tightening torque
N·m (kg-m, ft-lb)

113 (12, 83)

JSDIA1598ZZ

TM-208

< UNIT REMOVAL AND INSTALLATION >

[7AT: RE7R01B]

TRANSMISSION ASSEMBLY

4WD : Exploded View

INFOID:0000000006226910

4WD : Removal and Installation

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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.

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

2.

Disconnect the battery cable from the negative terminal.

3.

Remove control cable from A/T assembly. Refer to 

TM-178, "Removal and Installation"

.

4.

Disconnect heated oxygen sensor 2 connectors (bank 1 and bank 2). Refer to 

EX-5, "Exploded View"

.

5.

Remove exhaust front tube (RH and LH) and main muffler. Refer to 

EX-5, "Exploded View"

.

6.

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.

7.

Remove rear engine mounting cross member and engine mounting insulator (rear).

8.

Separate propeller shaft assembly (front). Refer to 

DLN-129, "Removal and Installation"

.

9.

Separate propeller shaft assembly (rear). Refer to 

DLN-137, "Removal and Installation"

.

10. Remove front under cover with a power tool. Refer to 

EXT-25, "Removal and Installation"

.

11. Remove front suspension rear cross member.

1.

A/T assembly

2.

Front suspension rear cross mem-
ber

3.

Rear engine mounting cross 
member

4.

Engine mounting insulator (rear)

A.

Tightening must be done following the installation procedure. Refer to 

TM-208, "4WD : Removal and Installation"

.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDIA1156GB