oil filter INFINITI QX4 2005 Factory Owner's Guide

MA-18
ENGINE MAINTENANCE
Revision: October 20052005 QX56
2. Apply engine oil to the oil seal circumference of the new oil filter.
3. Screw the oil filter manually until it touches the installation sur-
face, then tighten it by 2/3 turn. Or tighten to specification.
4. Inspect the engine for oil leakage.
5. Install the engine front undercover using power tool.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level.
2. Start the engine and check for engine oil leakage.
3. Stop engine and wait for 10 minutes.
4. Check the engine oil level and add engine oil as required.
Changing Spark PlugsELS001BW
SM A01 0
Oil filter : 17.7 N·m (1.8 kg-m, 13 ft-lb)
SM A22 9B
SM A95 4C
1. Ignition coil 2. Spark plug
KBIA2505E

TF-3
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Revision: October 20052005 QX56 DIAGNOSTIC PROCEDURE ............................. 117
4WD Warning Lamp Does Not Turn ON .............. 121
SYMPTOM: ....................................................... 121
DIAGNOSTIC PROCEDURE ............................ 121
4WD Shift Indicator Lamp or 4LO Indicator Lamp
Does Not Change ................................................. 123
SYMPTOM: ....................................................... 123
DIAGNOSTIC PROCEDURE ............................ 124
ATP Warning Lamp Turns ON .............................. 125
SYMPTOM: ....................................................... 125
DIAGNOSTIC PROCEDURE ............................ 125
4LO Indicator Lamp Repeats Flashing ................. 127
SYMPTOM: ....................................................... 127
DIAGNOSTIC PROCEDURE ............................ 127
4WD Warning Lamp Flashes Rapidly .................. 128
SYMPTOM: ....................................................... 128
DIAGNOSTIC PROCEDURE ............................ 128
4WD Warning Lamp Flashes Slowly .................... 129
SYMPTOM: ....................................................... 129
DIAGNOSTIC PROCEDURE ............................ 129
Heavy Tight-corner Braking Symptom Occurs ..... 130
SYMPTOM: ....................................................... 130
DIAGNOSTIC PROCEDURE ............................ 130
4WD System Does Not Operate .......................... 131
SYMPTOM: ....................................................... 131
DIAGNOSTIC PROCEDURE ............................ 131
TRANSFER CONTROL UNIT ................................. 132
Removal and Installation ...................................... 132
REMOVAL ......................................................... 132
INSTALLATION ................................................. 132
FRONT OIL SEAL .................................................. 133
Removal and Installation ...................................... 133
REMOVAL ......................................................... 133
INSTALLATION ................................................. 134
REAR OIL SEAL .................................................... 135
Removal and Installation ...................................... 135
REMOVAL ......................................................... 135
INSTALLATION ................................................. 135SIDE OIL SEAL .......................................................137
Removal and Installation ......................................137
REMOVAL .........................................................137
INSTALLATION .................................................137
TRANSFER CONTROL DEVICE ............................138
Removal and Installation ......................................138
AIR BREATHER HOSE ..........................................139
Removal and Installation ......................................139
TRANSFER MOTOR ...............................................140
Removal and Installation ......................................140
REMOVAL .........................................................140
INSTALLATION .................................................140
TRANSFER OIL FILTER .........................................141
Removal and Installation ......................................141
REMOVAL .........................................................141
INSTALLATION .................................................141
TRANSFER ASSEMBLY ........................................143
Removal and Installation ......................................143
REMOVAL .........................................................143
INSTALLATION .................................................143
Disassembly and Assembly ..................................144
COMPONENTS .................................................144
DISASSEMBLY .................................................146
INSPECTION AFTER DISASSEMBLY ..............161
ASSEMBLY .......................................................165
SERVICE DATA AND SPECIFICATIONS (SDS) ....181
General Specifications ..........................................181
Inspection and Adjustment ...................................181
CLEARANCE BETWEEN INNER GEAR AND
OUTER GEAR ...................................................181
CLUTCH ............................................................181
PINION GEAR END PLAY ................................181
CLEARANCE BETWEEN SHIFT FORK AND
SLEEVE ............................................................181
SELECTIVE PARTS ..........................................181

TRANSFER OIL FILTER
TF-141
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Revision: October 20052005 QX56
TRANSFER OIL FILTERPFP:00000
Removal and InstallationEDS0 02 IZ
REMOVAL
1. Remove the oil filter bolts and oil filter.
CAUTION:

Do not damage center case and oil filter.

Loosen bolts and detach oil filter evenly.
2. Remove the O-rings from the oil filter.
3. Remove the oil filter stud from the oil filter.
4. Remove the O-ring from the oil filter stud.
INSTALLATION
1. Apply ATF to the O-ring, and install it on the oil filter stud.
CAUTION:
Do not reuse O-ring.
2. Install the oil filter stud to the oil filter.
SMT875C
SDIA2327E
SDIA2784E
SDIA2784E

TF-142
TRANSFER OIL FILTER
Revision: October 20052005 QX56
3. Apply ATF to the two O-rings (1), and install them on the oil filter
(2).
CAUTION:
Do not reuse O-rings.
4. Install the oil filter to the transfer assembly. Tighten the bolts to
the specified torque. Refer to TF-144, "
COMPONENTS" .
CAUTION:

Do not damage oil filter.

Attach oil filter and tighten bolts evenly.
5. Check the transfer fluid. Refer to MA-25, "
FLUID LEAKAGE
AND FLUID LEVEL" .
6. Start the engine for one minute. Then stop the engine and
recheck the transfer fluid. Refer to MA-25, "
FLUID LEAKAGE
AND FLUID LEVEL" .
WDIA0285E
SDIA2136E

TRANSFER ASSEMBLY
TF-145
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Revision: October 20052005 QX56
49. 2-4 fork 50. Shift fork spring 51. Fork guide
52. Retainer pin 53. Shift rod
1. Dust cover 2. Oil seal 3. Rear case
4. Air breather 5. Seal ring 6. Main oil pump cover
7. Inner gear 8. Outer gear 9. Main oil pump housing
10. D-ring 11. D-ring 12. Clutch piston
13. Thrust needle bearing race 14. Oil strainer 15. O-ring
16. Snap ring 17. Control valve assembly 18. Lip seal (7 pieces)
19. Gasket 20. Filler plug 21. Oil filter stud
22. O-ring 23. Oil filter 24. ATP switch
25 Neutral-4LO switch 26. Oil pressure check plug 27. Harness bracket
28. Stem bleeder 29. Harness bracket 30. Center case
31. Mainshaft rear bearing 32. C-ring 33. Washer holder
34. Snap ring 35. Sub oil pump housing 36. Outer gear
37. Inner gear 38. Sub oil pump cover 39. O-ring
40. Transfer motor 41. Connector bracket
WDIA0195E

TF-160
TRANSFER ASSEMBLY
Revision: October 20052005 QX56
37. Remove the transfer motor bolts and motor from the center
case. Then remove the O-ring from the transfer motor.
38. Remove the sub oil pump cover bolts.
39. Thread two bolts (M4 x 0.8) into the holes of sub oil pump cover
as shown, and pull out to remove the sub oil pump assembly.
40. Remove the outer gear and inner gear from the sub oil pump
housing.
41. Remove the oil filter bolts and oil filter.
CAUTION:

Do not damage center case and oil filter.

Loosen bolts and detach oil filter evenly.
SDIA2133E
SDIA2134E
SMT934C
SDIA2135E
SDIA2136E

TRANSFER ASSEMBLY
TF-161
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Revision: October 20052005 QX56
42. Remove the O-rings from the oil filter.
43. Remove the oil filter stud from the oil filter.
44. Remove the O-ring from the oil filter stud.
INSPECTION AFTER DISASSEMBLY
Shift Rod Components

Check the working face of the shift rod and fork for wear, partial
wear, bending and other abnormality. If any is found, replace
with a new one.

Measure the clearance between the shift fork and sleeve. If it is
out of specification, replace it with a new one.
SDIA2327E
SDIA2784E
SMT009D
Specification : Less than 0.36 mm (0.0142 in)
SMT010D

TRANSFER ASSEMBLY
TF-165
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ASSEMBLY
Center Case
1. Apply ATF to the O-ring, and install it on the oil filter stud.
CAUTION:
Do not reuse O-rings.
2. Install the oil filter stud to the oil filter.
3. Apply ATF to the two O-rings (1), and install them on the oil filter
(2).
CAUTION:
Do not reuse O-rings.
4. Install the oil filter to the center case. Tighten the bolts to the
specified torque. Refer to TF-144, "
COMPONENTS" .
CAUTION:

Do not damage oil filter.

Attach oil filter and tighten bolts evenly.
5. Install the outer gear and inner gear into the sub oil pump hous-
ing, and measure the side clearance. Refer to TF-163, "
Sub-oil
Pump" .
SDIA2784E
WDIA0285E
SDIA2136E
SDIA2135E