NISSAN NAVARA 2005 Repair Workshop Manual

DISASSEMBLY
AT-273
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b.4WD models
i. Remove tightening bolts for adapter case assembly and trans-
mission case.
ii. Tap adapter case assembly using a soft hammer.
iii. Remove adapter case assembly from transmission case. (With
needle bearing)
iv. Remove gasket from transmission case.
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AT-274
DISASSEMBLY
44. Remove bearing race from output shaft.
45. Remove output shaft from transmission case by rotating left/
right.
46. Remove parking gear from output shaft.
47. Remove seal rings from output shaft.
48. Remove needle bearing from transmission case.
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DISASSEMBLY
AT-275
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49. Remove revolution sensor from transmission case.
CAUTION:
lDo not subject it to impact by dropping or hitting it.
lDo not disassemble.
lDo not allow metal filings, etc. to get on sensor's front
edge magnetic area.
lDo not place in an area affected by magnetism.
50. Remove reverse brake snap ring (fixing plate) using 2 flat-
bladed screwdrivers.
NOTE:
Press out snap ring from transmission case oil pan side
gap using a flat-bladed screwdriver, and remove it using a
another screwdriver.
51. Remove reverse brake retaining plate from transmission case.
lCheck facing for burns, cracks or damage. If necessary,
replace the plate.
52. Remove N-spring from transmission case.
53. Remove reverse brake drive plates, driven plates and dish plate
from transmission case.
lCheck facing for burns, cracks or damage. If necessary,
replace the plate.
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AT-276
DISASSEMBLY
54. Set SST on spring retainer and remove snap ring (fixing spring
retainer) from transmission case while compressing return
spring.
55. Remove spring retainer and return spring from transmission
case.
56. Remove seal rings from drum support.
57. Remove needle bearing from drum support edge surface.
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DISASSEMBLY
AT-277
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58. Removereversebrakepistonfromtransmissioncasewithcom-
pressed air. Refer toAT- 2 5 9 , "
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.
59. Remove D-rings from reverse brake piston.
60. Knock out retaining pin using a pin punch [commercial service
tool: 4 mm (0.16 in) dia.].
61. Remove manual shaft retaining pin using pair of pliers.
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AT-278
DISASSEMBLY
62. Remove manual plate (with parking rod) from manual shaft.
63. Remove parking rod from manual plate.
64. Remove manual shaft from transmission case.
65. Remove manual shaft oil seals using a flat-bladed screwdriver.
CAUTION:
Be careful not to scratch transmission case.
66. Remove detent spring and spacer from transmission case.
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DISASSEMBLY
AT-279
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67. Remove snap ring from transmission case using pair of snap
ring pliers.
68. Remove servo assembly (with return spring) from transmission
case.
69. Remove return spring from servo assembly.
70. Remove O-rings from servo assembly.
71. Remove needle bearing (1) from rear extension (2WD models)
or adapter case (4WD models).
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AT-280
DISASSEMBLY
72. Remove parking actuator support from rear extension (2WD
models) or adapter case (4WD models).
73. Remove parking pawl (with return spring) and pawl shaft from
rear extension (2WD models) or adapter case (4WD models).
74. Remove return spring (1) from parking pawl (2).
75. Remove rear oil seal from rear extension (2WD models) or
adapter case (4WD models).
CAUTION:
Be careful not to scratch adapter case.
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REPAIR FOR COMPONENT PARTS
AT-281
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REPAIR FOR COMPONENT PARTSPFP:00000
Oil PumpECS00G3F
COMPONENTS
DISASSEMBLY
1. Remove oil pump housing from oil pump cover.
2. Remove oil pump housing oil seal using a flat-bladed screw-
driver.
CAUTION:
Be careful not to scratch oil pump housing.
1. O-ring 2. Oil pump cover 3. O-ring
4. Oil pump housing 5. Oil pump housing oil seal
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AT-282
REPAIR FOR COMPONENT PARTS
3. Remove O-ring from oil pump housing.
4. Remove O-ring from oil pump cover.
ASSEMBLY
1. Install O-ring to oil pump cover.
2. Install O-ring to oil pump housing.
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