2005 INFINITI QX4 air filter

CHASSIS AND BODY MAINTENANCE
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Revision: October 20052005 QX56
CHASSIS AND BODY MAINTENANCEPFP:00100
Changing In-cabin MicrofilterELS001UY
1. Remove the two lower glove box hinge pins to remove the glove
box from the instrument panel and let it hang from the cord.
2. Remove the screw and remove the in-cabin microfilter cover.
3. Remove the in-cabin microfilters from the front heater and cool-
ing unit assembly housing.
4. Insert the first new in-cabin microfilter into the front heater and
cooling unit assembly housing and slide it over to the right.
Insert the second new in-cabin microfilter into the front heater
and cooling unit assembly housing.
NOTE:
The in-cabin microfilters are marked with air flow arrows. The
end of the microfilter with the arrow should face the rear of the
vehicle. The arrows should point downward.
5. Install the in-cabin microfilter cover.
WLIA0027E
LJIA0134E
LJIA0148E
LJIA0134E

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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 ASSEMBLY
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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