2008 INFINITI QX56 lock

PRECAUTIONSDLN-119
< PRECAUTION > [ATX14B]
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5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of al l control units using CONSULT-III.
Precaution for Transfer Assembly and Transfer Control Unit ReplacementINFOID:0000000001737205
When replacing transfer assembly or transfer control uni t, check the 4WD shift indicator lamp as follows.
1. Turn ignition switch ON.
2. Check 4WD shift indicator lamp is turned ON for approximately 1 second.
• If OK, the position between transfer assembly and transfer control unit is correct.
• If NG, the position is different between transfer assembly and transfer control unit. Adjust the position between transfer assembly and transfer control unit. See METHOD FOR POSITION
ADJUSTMENT that follows.
METHOD FOR POSITION ADJUSTMENT
1. Start engine. Run the engine for at least 10 seconds.
2. Stop vehicle and move A/T selector lever to N position with brake pedal depressed. Stay in N for at least 2
seconds.
3. Turn 4WD shift switch to 2WD position. Stay in 2WD for at least 2 seconds.
4. Turn ignition switch OFF.
5. Start engine.
6. Erase self-diagnosis. Refer to DLN-18, "
CONSULT-III Function (ALL MODE AWD/4WD)".
7. Check 4WD shift indicator lamp. Refer to DLN-7, "
Preliminary Check".
If 4WD shift indicator lamp does not indicate 2WD, install new transfer control unit and retry the above
check.
PrecautionINFOID:0000000001737206
• Before connecting or disconnect ing the transfer control unit
harness connector, turn ignition switch “OFF” and disconnect
battery cables. Failure to do so may damage the transfer con-
trol unit. Battery voltage is ap plied to transfer control unit
even if ignition swit ch is turned “OFF”.
• When connecting or disconnecting pin connectors into or
from transfer control unit, take care not to damage pin termi-
nals (bend or break).
When connecting pin connectors make sure that there are not
any bends or breaks on transfer control unit pin terminals.
SEF289H
SEF291H
Revision: March 2010 2008 QX56

PREPARATIONDLN-121
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001604407
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name Description
KV40104000
(—)
Flange wrench • Removing self-lock nut
• Installing self-lock nut
a: 85 mm (3.35 in)
b: 65 mm (2.56 in)
KV381054S0
(J-34286)
Puller • Removing front oil seal
• Removing rear oil seal
• Removing metal bushing
KV38100500
(—)
Drift • Installing front oil seal
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia.
ST30720000
(J-25405)
Drift • Installing rear oil seal
• Installing mainshaft front bearing and oil
seal
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
KV40105310
(—)
Drift • Installing dust cover
a: 89 mm (3.50 in) dia.
b: 80.7 mm (3.17 in) dia.
ST22360002
(J-25679-01)
Drift • Installing side oil seal
a: 23 mm (0.91 in) dia.
b: 32 mm (1.26 in) dia.
NT659
ZZA0601D
ZZA0811D
ZZA0811D
ZZA1003D
ZZA1091D
Revision: March 2010
2008 QX56

FRONT OIL SEALDLN-129
< ON-VEHICLE REPAIR > [ATX14B]
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FRONT OIL SEAL
Removal and InstallationINFOID:0000000001604413
REMOVAL
1. Partially drain the transfer fluid. Refer to DLN-127.
2. Remove the front propeller shaft. Refer to DLN-184, "
Removal and Installation".
3. Remove the companion flange self-lock nut using Tool.
4. Put a matching mark on top of the front drive shaft in line with the mark on the companion flange.
CAUTION:
Use paint to make the matching mark on the front drive
shaft. Do not damage the front drive shaft.
5. Remove the companion flange using suitable tool.
6. Remove the front oil seal from the front case using Tool. CAUTION:
Do not damage front case.
INSTALLATION
Tool number : KV40104000 ( — )
SDIA2657E
SDIA2658E
WDIA0193E
Tool number : KV381054S09 (J-34286)
LDIA0144E
Revision: March 2010 2008 QX56

DLN-130
< ON-VEHICLE REPAIR >[ATX14B]
FRONT OIL SEAL
1. Install the new front oil seal until it is flush with the end face of
the front case using Tool.
CAUTION:
• Do not reuse oil seal.
• Apply petroleum jelly to oil seal.
2. Align the matching mark of the front drive shaft with the match- ing mark of the companion flange, then install the companion
flange.
3. Install the new self-lock nut. Tighten to the specified torque using Tool. Refer to DLN-140, "
Disassembly and Assembly".
CAUTION:
Do not reuse self-lock nut.
4. Install the front propeller shaft. Refer to DLN-184, "
Removal and
Installation".
5. Refill the transfer with fluid and check for fluid leakage and fluid level. Refer to DLN-127, "
Replacement".
Tool number : KV38100500 ( — )
SDIA2662E
SDIA2658E
Tool number :KV40104000 ( — )
LDIA0147E
Revision: March 2010
2008 QX56

DLN-140
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
DISASSEMBLY AND ASSEMBLY
TRANSFER ASSEMBLY
Disassembly and AssemblyINFOID:0000000001604420
COMPONENTS
1. 2-4 sleeve
2. L-H sleeve 3. Snap ring
4. Internal gear 5. Planetary carrier assembly 6. Metal bushing
7. Needle bearing 8. Sun gear 9. Carrier bearing
10. Snap ring 11. Snap ring 12. Input bearing
13. Wait detection switch 14. Check plug 15. Check spring
16. Check ball 17. Front case 18. Snap ring
19. Input oil seal 20. Shift cross 21. Side oil seal
22. Lock pin 23. Shift lever 24. Gasket
25. Drain plug 26. Front oil seal 27. Companion flange
28. Self-lock nut 29. Mainshaft 30. Needle bearing
31. Front bearing 32. Front drive shaft 33. Rear bearing
34. Spacer 35. Drive chain 36. Clutch drum
37. Snap ring 38. Clutch hub 39. Snap ring
AWDIA0014GB
Revision: March 2010 2008 QX56

DLN-142
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
DISASSEMBLY
Rear Case
1. Remove the rear case bolts.
2. Remove the rear case from the center case.
3. Remove the dust cover using suitable tool.
4. Remove the rear oil seal using suitable tool.
CAUTION:
Do not damage rear case.
5. Remove the breather tube.
Front Case
1. Remove the rear case assembly. Refer to DLN-140, "Disassembly and Assembly".
2. Remove the lock pin nut.
40. Sub oil pump cover 41. O-ring 42. Transfer motor
43. Connector bracket A. Apply Genuine Anaerobic Liquid
Gasket, Three Bond TB1133C or
equivalent. B. Apply Genuine Liquid Gasket,
Three Bond TB1215 or equiva-
lent.
SDIA2092E
SDIA2093E
SDIA2094E
SDIA2095E
Revision: March 2010 2008 QX56

TRANSFER ASSEMBLYDLN-143
< DISASSEMBLY AND ASSEMBLY > [ATX14B]
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3. Remove the lock pin using suitable tool.
4. Remove the shift lever.
5. Remove the side oil seal from the front case using suitable tool. CAUTION:
Do not damage front case or shift cross.
6. Remove the check plug, check spring and check ball.
7. Remove the wait detection switch.
8. Remove the self-lock nut from the companion flange using suit- able tool.
9. Put a matching mark on top of the front drive shaft thread in line with the mark on the companion flange.
CAUTION:
Use paint to make the matching mark on the front drive
shaft thread. Never damage the front drive shaft.
SDIA2150E
SDIA2166E
WDIA0196E
SDIA2841E
SDIA2779E
Revision: March 2010 2008 QX56

DLN-174
< DISASSEMBLY AND ASSEMBLY >[ATX14B]
TRANSFER ASSEMBLY
21. Tighten the front case bolts to the specified torque. Refer to
DLN-140, "
Disassembly and Assembly".
CAUTION:
Be sure to install air breather hose clamp, connector
bracket and harness clip.
22. Install the drain plug with a new gasket. CAUTION:
Do not reuse gasket.
23. Align the matching mark on the front drive shaft with the mark on the companion flange, then install the companion flange.
24. Install a new companion flange self-lock nut. Tighten to the specified torque using Tool. Refer to DLN-140, "
Disassembly
and Assembly".
CAUTION:
Do not reuse self-lock nut.
25. Remove all the sealant from the check plug, switch mounting and front case.
CAUTION:
Remove old sealant adhering to mating surfaces. Also
remove any moisture, oil, or foreign material adhering to
application and mounting surfaces.
26. Install the check ball and check spring to the front case. Apply sealant to the check plug and wait detection switch and install
them to the front case. Tighten to the specified torque. Refer to
DLN-140, "
Disassembly and Assembly".
• Use Genuine Silicone RTV or equivalent. Refer to GI-15,
"Recommended Chemical Products and Sealants".
NOTE:
Wait detection switch harness connector is black.
SDIA2100E
SDIA2779E
Tool number A: KV40104000 ( — )
WDIA0219E
WDIA0158E
Revision: March 2010 2008 QX56