oil INFINITI QX4 2005 Factory Repair Manual

ON-VEHICLE SERVICE
AT-231
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Revision: October 20052005 QX56
Control Valve With TCM and A/T Fluid Temperature Sensor 2ECS00CKX
COMPONENTS
1. Transmission 2. Snap ring 3. Sub-harness
4. Control valve with TCM 5. Bracket 6. A/T fluid temperature sensor 2
7. Oil pan gasket 8. Oil pan 9. Magnet
10. Drain plug 11. Drain plug gasket 12. Oil pan bolt
13. Terminal cord assembly 14. O-ring
SCIA5478E

AT-232
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
CONTROL VALVE WITH TCM REMOVAL AND INSTALLATION
Removal
1. Disconnect negative battery terminal
2. Drain ATF through drain plug.
3. Disconnect A/T assembly harness connector.
4. Remove snap ring from A/T assembly harness connector.
5. Push A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
6. Remove oil pan and oil pan gasket, refer to AT-229, "
Removal" .
7. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
8. Straighten terminal clip to free terminal cord assembly A/T fluid
temperature sensor 2 harness.
SCIA5021E
SCIA5022E
SCIA5023E
SCIA5446E

AT-238
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
13. Connect revolution sensor connector.
14. Securely fasten revolution sensor harness with terminal clips.
15. Install oil pan to transmission case, refer to AT-229, "
Installation" .
16. Pull up A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
17. Install snap ring to A/T assembly harness connector.
18. Connect A/T assembly harness connector.
19. Pour ATF into transmission assembly. Refer to MA-24, "
Chang-
ing A/T Fluid" .
20. Connect the negative battery terminal
SCIA5024E
SCIA3969E
SCIA5038E
SCIA5039E

ON-VEHICLE SERVICE
AT-239
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Revision: October 20052005 QX56
A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION
Removal
1. Disconnect negative battery terminal
2. Remove oil pan and oil pan gasket, refer to AT - 2 2 9 , "
Removal" .
3. Disconnect A/T fluid temperature sensor 2 connector.
CAUTION:
Be careful not to damage connector.
4. Straighten terminal clip to free A/T fluid temperature sensor 2
harness.
5. Remove A/T fluid temperature sensor 2 with bracket from con-
trol valve with TCM.
6. Remove bracket from A/T fluid temperature sensor 2.
SCIA5023E
SCIA5146E
SCIA5253E
SCIA5264E

AT-240
ON-VEHICLE SERVICE
Revision: October 20052005 QX56
Installation
CAUTION:
After completing installation, check for A/T fluid leakage and fluid level. Refer to MA-24, "
Changing A/
T Fluid" , MA-22, "Checking A/T Fluid" .
1. Install A/T fluid temperature sensor 2 to bracket.
2. Install A/T fluid temperature sensor 2 (with bracket) in control
valve with TCM. Tighten A/T fluid temperature sensor 2 mount-
ing bolt to the specified torque. Refer to AT- 2 5 0 , "
Components" .
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
3. Connect A/T fluid temperature sensor 2 connector.
4. Securely fasten A/T temperature sensor 2 harness with terminal
clip.
5. Install oil pan to transmission case, refer to AT-229, "
Installation" .
6. Connect the negative battery terminal
SCIA5264E
SCIA5253E
SCIA5023E
SCIA5146E

ON-VEHICLE SERVICE
AT-241
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Revision: October 20052005 QX56
Rear Oil SealECS00CKY
REMOVAL AND INSTALLATION
Removal
1. Remove rear propeller shaft. Refer to PR-5, "REMOVAL" .
2. Remove transfer from transmission (4WD models). Refer to TF-
143, "REMOVAL" .
3. Remove rear oil seal using a flat-bladed screwdriver or suitable
tool.
CAUTION:
Be careful not to scratch rear extension assembly (2WD
models) or adapter case assembly (4WD models).
Installation
CAUTION:
After completing installation, check for A/T fluid leakage and fluid level. Refer to MA-24, "
Changing A/
T Fluid" , MA-22, "Checking A/T Fluid" .
1. Install new rear oil seal into the extension case (2WD models) or
adapter case (4WD models) until it is flush with component face,
using Tool or suitable drift.
CAUTION:

Apply ATF to rear oil seal.

Do not reuse rear oil seal.
2. Install transfer to transmission (4WD models). Refer to TF-143,
"INSTALLATION" .
3. Install rear propeller shaft. Refer to PR-9, "
INSTALLATION"
SCIA5254E
SCIA5583E

OVERHAUL
AT-251
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Revision: October 20052005 QX56
1. O-ring 2. Oil pump cover 3. O-ring
4. Oil pump housing 5. Self-sealing bolt 6. Torque converter
7. Converter housing 8. Oil pump housing oil seal 9. Bearing race
10. Needle bearing 11. O-ring 12. Front carrier assembly
13. Needle bearing 14. Snap ring 15. Front sun gear
16. 3rd one-way clutch 17. Snap ring 18. Bearing race
19. Needle bearing 20. Seal ring 21. Input clutch assembly
22. Needle bearing 23. Rear internal gear 24. Brake band
25. Mid carrier assembly 26. Needle bearing 27. Bearing race
28. Rear carrier assembly 29. Needle bearing 30. Mid sun gear
31. Seal ring 32. Rear sun gear 33. 1st one-way clutch
34. Snap ring 35. Needle bearing 36. High and low reverse clutch hub
37. Snap ring 38. Bearing race 39. Needle bearing

AT-254
OVERHAUL
Revision: October 20052005 QX56
2WD models
SCIA5663E
1. Rear oil seal 2. Bracket 3. Bracket
4. Rear extension 5. Parking actuator support 6. Return spring

OVERHAUL
AT-255
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Revision: October 20052005 QX56
7. Parking pawl 8. Pawl shaft 9. Self-sealing bolt
10. Bracket 11. Seal ring 12. Needle bearing
13. Revolution sensor 14. Parking gear 15. Output shaft
16. Bearing race 17. Needle bearing 18. Manual plate
19. Parking rod 20. Manual shaft oil seal 21. Manual shaft
22. O-ring 23. Band servo anchor end pin 24. Detent spring
25. Spacer 26. Seal rings 27. Return spring
28. O-ring 29. Servo assembly 30. Snap ring
31. Snap ring 32. Sub-harness 33. Control valve with TCM
34. Bracket 35. A/T fluid temperature sensor 2 36. Oil pan
37. Magnet 38. Drain plug 39. Drain plug gasket
40. Oil pan bolt 41. Oil pan gasket 42. Terminal cord assembly
43. O-ring 44. Retaining pin 45. Transmission case

AT-256
OVERHAUL
Revision: October 20052005 QX56
4WD models
SCIA5664E
1. Rear oil seal 2. Bracket 3. Adapter case
4. Parking actuator support 5. Return spring 6. Parking pawl