INFINITI QX4 2005 Factory Service Manual

AT-270
DISASSEMBLY
Revision: October 20052005 QX56
37. Remove O-ring from A/T assembly harness connector.
38. Disconnect TCM connectors.
CAUTION:
Be careful not to damage connectors.
39. Remove A/T assembly harness connector from control valve
with TCM using flat blade screwdriver.
40. Disconnect TCM connector and park/neutral position switch
connector.
CAUTION:
Be careful not to damage connectors.
41. Remove rear extension assembly (2WD models) or adapter case assembly (4WD models) according to
the following procedures.
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DISASSEMBLY
AT-271
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Revision: October 20052005 QX56
a.2WD models
i. Remove tightening bolts for rear extension assembly and trans-
mission case.
ii. Remove bracket.
iii. Tap rear extension assembly with soft hammer.
iv. Remove rear extension assembly from transmission case. (With
needle bearing)
b.4WD models
i. Remove tightening bolts for adapter case assembly and trans-
mission case.
ii. Remove bracket.
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AT-272
DISASSEMBLY
Revision: October 20052005 QX56
iii. Tap adapter case assembly with soft hammer.
iv. Remove adapter case assembly from transmission case. (With
needle bearing)
v. Remove gasket from transmission case.
42. Remove bearing race from output shaft.
43. Remove output shaft from transmission case by rotating left/
right.
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DISASSEMBLY
AT-273
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Revision: October 20052005 QX56
44. Remove parking gear from output shaft.
45. Remove seal rings from output shaft.
46. Remove needle bearing from transmission case.
47. Remove revolution sensor from transmission case.
CAUTION:

Do not subject it to impact by dropping or hitting it.

Be careful not to damage harness with the edge of case.

Do not allow metal filings, etc., to get on the sensor's
front edge magnetic area.

Do not place in an area affected by magnetism.
48. Remove reverse brake snap ring (fixing plate) using 2 flat-
bladed screwdrivers.
NOTE:
Press out snap ring from the transmission case oil pan side gap
using a flat-bladed screwdriver, and remove it using another
screwdriver.
49. Remove reverse brake retaining plate from transmission case.
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AT-274
DISASSEMBLY
Revision: October 20052005 QX56
50. Remove N-spring from transmission case.
51. Remove reverse brake drive plates, driven plates and dish plate
from transmission case.
52. Remove snap ring (fixing spring retainer) from transmission
case while compressing return spring, using Tool.
53. Remove spring retainer and return spring from transmission
case.
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Tool number : KV31102400 (J-34285 and J- 34285-87)
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DISASSEMBLY
AT-275
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54. Remove seal rings from drum support.
55. Remove needle bearing from drum support edge surface.
56. Remove reverse brake piston from transmission case with com-
pressed air. Refer to AT-258, "
Oil Channel" .
CAUTION:
Care should be taken not to abruptly blow air. It makes pis-
tons incline, as the result, it becomes hard to disassemble
the pistons.
57. Remove D-rings from reverse brake piston.
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AT-276
DISASSEMBLY
Revision: October 20052005 QX56
58. Use a pin punch (4mm dia. commercial service tool) to knock
out retaining pin.
59. Remove manual shaft retaining pin with pliers.
60. Remove manual plate (with parking rod) from manual shaft.
61. Remove parking rod from manual plate.
62. Remove manual shaft from transmission case.
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DISASSEMBLY
AT-277
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Revision: October 20052005 QX56
63. Remove manual shaft oil seals using a flat-bladed screwdriver.
CAUTION:
Be careful not to scratch transmission case.
64. Remove detent spring and spacer from transmission case.
65. Remove snap ring from transmission case, using suitable tool.
66. Remove servo assembly (with return spring) from transmission
case.
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AT-278
DISASSEMBLY
Revision: October 20052005 QX56
67. Remove return spring from servo assembly.
68. Remove O-rings from servo assembly.
69. Remove parking actuator support from rear extension (2WD
models) or adapter case (4WD models).
70. Remove parking pawl (with return spring) and pawl shaft from
rear extension (2WD models) or adapter case (4WD models).
71. Remove return spring from parking pawl.
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DISASSEMBLY
AT-279
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Revision: October 20052005 QX56
72. Remove needle bearing from rear extension (2WD models) or
adapter case (4WD models).
73. Remove rear oil seal from rear extension (2WD models) or
adapter case (4WD models).
CAUTION:
Be careful not to scratch rear extension (2WD models) or
adapter case (4WD models).
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