INFINITI QX56 2007 Factory Service Manual

ON-VEHICLE SERVICE
AT-211
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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.
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. Brackets 9. Oil pan bolt
10. Oil pan 11. Magnet 12. Drain plug
13. Drain plug gasket 14. Terminal cord assembly 15. O-ring
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AT-212
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
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-209, "
Oil Pan".
7. Disconnect A/T fluid temperature sensor 2 connector (A).
CAUTION:
Be careful not to damage connector.
8. Straighten the four terminal clips to free the terminal cord
assembly for A/T fluid temperature sensor 2 harness.
• : Terminal clip
9. Straighten terminal clip to free the revolution sensor harness.
10. Disconnect revolution sensor connector.
CAUTION:
Be careful not to damage connector.
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ON-VEHICLE SERVICE
AT-213
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11. Remove bolts (A), (B) and (C) from control valve with TCM.
• : Front
12. Remove control valve with TCM from transmission case.
CAUTION:
Be careful with the manual valve notch and manual plate
height. Remove it vertically.
13. Remove A/T fluid temperature sensor 2 with bracket from con-
trol valve with TCM.
14. Remove bracket from A/T fluid temperature sensor 2.
15. Remove O-ring from A/T assembly harness connector.
Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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AT-214
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
16. Disconnect TCM connectors.
CAUTION:
Be careful not to damage connectors.
17. Remove A/T assembly harness connector from control valve
with TCM using suitable tool.
18. Disconnect TCM connector and park/neutral position switch
connector
CAUTION:
Be careful not to damage connectors.
Installation
1. Connect TCM connector and park/neutral position switch con-
nector.
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ON-VEHICLE SERVICE
AT-215
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2. Install A/T assembly harness connector to control valve with
TCM.
3. Connect TCM connector.
4. Install new O-ring in A/T assembly harness connector.
NOTE:
• Do not reuse O-ring.
• Apply ATF to O-ring.
5. Install A/T fluid temperature sensor 2 to bracket.
6. Install A/T fluid temperature sensor 2 (with bracket) in control
valve with TCM. Tighten A/T fluid temperature sensor 2 bolts to
the specified torque. Refer to AT-228, "
Component".
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
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AT-216
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
7. Install control valve with TCM in transmission case.
CAUTION:
• Make sure that turbine revolution sensor securely installs
turbine revolution sensor hole.
• Hang down revolution sensor harness toward outside so
as not to disturb installation of control valve with TCM.
• Adjust A/T assembly harness connector of control valve
with TCM to terminal hole of transmission case.
• Assemble it so that manual valve cutout is engaged with
manual plate projection.
8. Install bolts (A), (B) and (C) in control valve with TCM.
• : Front
9. Tighten bolt (1), (2) and (3) temporarily to prevent dislocation. Then tighten them in order (1 → 2 → 3),
and then tighten other bolts.
• : Front
10. Tighten control valve with TCM bolts to the specified torque.
Refer to AT-228, "
Component".
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Bolt symbol Length mm (in) Number of bolts
A 42 (1.65) 5
B 55 (2.17) 6
C 40 (1.57) 1
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ON-VEHICLE SERVICE
AT-217
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11. Connect A/T fluid temperature sensor 2 connector (A).
12. Securely fasten terminal cord assembly and A/T fluid tempera-
ture sensor 2 harness with terminal clips.
• : Terminal clip
13. Connect revolution sensor connector.
14. Securely fasten revolution sensor harness with terminal clip.
15. Install oil pan to transmission case. Refer to AT-209, "
Oil Pan".
16. Pull up A/T assembly harness connector.
CAUTION:
Be careful not to damage connector.
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AT-218
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
17. Install snap ring to A/T assembly harness connector.
18. Connect A/T assembly harness connector.
19. Connect the negative battery terminal
20. Refill the A/T with fluid and check fluid level and for fluid leak-
age. Refer to AT-13, "
Changing Automatic Transmission Fluid
(ATF)".
CAUTION:
After completing installation, check A/T fluid leakage and fluid
level. Refer to AT-13, "
Changing Automatic Transmission Fluid
(ATF)", AT-13, "Checking Automatic Transmission Fluid (ATF)".
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-209, "
Oil Pan".
3. Disconnect A/T fluid temperature sensor 2 connector (A).
CAUTION:
Be careful not to damage connector.
4. Straighten terminal clip to free A/T fluid temperature sensor 2
harness.
• : Terminal clip
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.
Installation
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ON-VEHICLE SERVICE
AT-219
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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 bolt to
the specified torque. Refer to AT-228, "
Component".
CAUTION:
Adjust bolt hole of bracket to bolt hole of control valve with
TCM.
3. Connect A/T fluid temperature sensor 2 connector (A).
4. Securely fasten A/T fluid temperature sensor 2 harness with ter-
minal clip.
• : Terminal clip
5. Install oil pan to transmission case. Refer to AT-209, "
Oil Pan".
6. Connect the negative battery terminal
7. Refill the A/T with fluid and check fluid level and for fluid leakage. Refer to AT-13, "
Changing Automatic
Transmission Fluid (ATF)".
CAUTION:
After completing installation, check for A/T fluid leakage and fluid level. Refer to AT-13, "
Changing
Automatic Transmission Fluid (ATF)", AT-13, "Checking Automatic Transmission Fluid (ATF)".
Rear Oil SealINFOID:0000000003532479
REMOVAL AND INSTALLATION
Removal
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AT-220
< SERVICE INFORMATION >
ON-VEHICLE SERVICE
1. Remove rear propeller shaft. Refer to PR-8, "Removal and
Installation".
2. Remove transfer from transmission (4WD models). Refer to TF-
128, "Removal and Installation".
3. Remove rear oil seal using suitable tool.
CAUTION:
Be careful not to scratch rear extension assembly (2WD
models) or adapter case assembly (4WD models).
Installation
1. Install new rear oil seal until it is flush with component face into
the extension case (2WD models) using Tool, or adapter case
(4WD models) using suitable tool.
CAUTION:
• Apply ATF to rear oil seal.
• Do not reuse rear oil seal.
2. Install transfer to transmission (4WD models). Refer to TF-128,
"Removal and Installation".
3. Install rear propeller shaft. Refer to PR-8, "
Removal and Installa-
tion".
CAUTION:
After completing installation, check for A/T fluid leakage and
fluid level. Refer to AT-13, "
Changing Automatic Transmission
Fluid (ATF)" and AT-13, "Checking Automatic Transmission
Fluid (ATF)".
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Tool number : ST33400001 (J-26082)
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