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Section 2103 (Automatic Transmission): Disassembly: Disassembly

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Do not disassemble parts behind Drum Support. Refer to "CROSS-SECTIONAL VIEW ".
  1. Drain A/T fluid through drain plug.
  2. Remove torque converter by holding it firmly and turning while pulling straight out.
    Fig 1: Identifying Torque Converter
    G04876017
  3. Check torque converter one-way clutch using a check tool as shown.
    1. Insert a check tool into the groove of bearing support built into one-way clutch outer race.
    2. While holding bearing support with a check tool, rotate one-way clutch spline using suitable tool.
    3. Make sure that inner race rotates clockwise only. If not, replace torque converter assembly.
      Fig 2: Checking Race Rotates Clockwise Only
      G04876018
  4. Remove bolts and converter housing from transmission case.
    CAUTION: Do not scratch converter housing.
    • Self-sealing bolt (A)
      Fig 3: Identifying Bolts And Converter Housing
      G04898125
  5. Remove O-ring from input clutch assembly.
    Fig 4: Identifying O-Ring
    G04876020
  6. Remove oil pump assembly to transmission case bolts.
    Fig 5: Identifying Transmission Case Bolts
    G04876021
  7. Remove the oil pump assembly evenly from the transmission case using Tools.

    Tool number : ST25850000 (J-25721-A) 

    CAUTION:
    • Fully tighten the sliding hammer screws.
    • Make sure that bearing race is installed to the oil pump assembly edge surface.
      Fig 6: Identifying Tool To Oil Pump Assembly
      G04901181
  8. Remove O-ring from oil pump assembly.
    Fig 7: Identifying Oil Pump Assembly O-Ring
    G04876023
  9. Remove bearing race from oil pump assembly.
    Fig 8: Identifying Bearing Race
    G04876024
  10. Remove needle bearing from front sun gear.
    Fig 9: Applying Petroleum Jelly From Front Sun Gear
    G04876025
  11. Remove front sun gear assembly from front carrier assembly.
    NOTE: Remove front sun gear by rotating it left and right.
    Fig 10: Identifying Front Sun Gear Assembly To Front Carrier Assembly
    G04876026
  12. Remove seal rings from input clutch assembly.
    Fig 11: Identifying Seal Rings In Input Clutch Assembly
    G04876027
  13. Remove front carrier assembly (with input clutch assembly and rear internal gear) from rear carrier assembly.
    CAUTION: Do not remove it with needle bearing.
    Fig 12: Identifying Front Carrier Assembly, Input Clutch Assembly
    G04876028
  14. Loosen lock nut and remove band servo anchor end pin from transmission case.
    Fig 13: Identifying Band Servo Anchor End Pin And Lock Nut In Transmission Case
    G04876029
  15. Remove brake band from transmission case.
    Fig 14: Identifying Brake Band From Transmission Case
    G04876030
    CAUTION:
    • To prevent brake linings from cracking or peeling, do not stretch the flexible band unnecessarily. When removing the brake band, always secure it with a clip as shown.
    • Check brake band facing for damage, cracks, wear or burns.
      Fig 15: Checking Brake Band And Clip
      G04876031
  16. Remove mid carrier assembly and rear carrier assembly as a unit.
    Fig 16: Identifying Mid Carrier Assembly In Rear Carrier Assembly
    G04876032
  17. Remove mid carrier assembly from rear carrier assembly.
    Fig 17: Identifying Mid Carrier Assembly From Rear Carrier Assembly
    G04876033
  18. Remove needle bearing (front side) from mid carrier assembly.
    Fig 18: Identifying Needle Bearing (Front Side) To Mid Carrier Assembly
    G04876034
  19. Remove needle bearing (rear side) from mid carrier assembly.
    Fig 19: Identifying Needle Bearing (Rear Side) To Mid Carrier Assembly
    G04876035
  20. Remove bearing race from rear carrier assembly.
    Fig 20: Identifying Bearing Race In Rear Carrier Assembly
    G04876036
  21. Remove needle bearing from rear carrier assembly.
    Fig 21: Identifying Needle Bearing In Rear Carrier Assembly
    G04876037
  22. Remove mid sun gear assembly, rear sun gear assembly and high and low reverse clutch hub as a unit.
    CAUTION: Remove them with bearing race and needle bearing.
    Fig 22: Identifying High And Low Reverse Clutch Hub
    G04876038
  23. Remove high and low reverse clutch assembly from direct clutch assembly.
    CAUTION: Make sure that needle bearing is installed to the high and low reverse clutch assembly edge surface.
    Fig 23: Identifying High And Low Reverse Clutch Assembly
    G04876039
  24. Remove needle bearing from drum support.
    Fig 24: Applying Petroleum Jelly To Needle Bearing
    G04876041
  25. Remove direct clutch assembly from reverse brake.
    Fig 25: Identifying Direct Clutch Assembly
    G04876040
  26. Remove snap ring from A/T assembly harness connector.
    Fig 26: Identifying A/T Assembly Harness Connector
    G04875907
  27. Push A/T assembly harness connector.
    CAUTION: Do not damage connector.
    Fig 27: Identifying A/T Assembly Harness Connector
    G04875908
  28. Remove oil pan and oil pan gasket.
    Fig 28: Identifying Oil Pan And Oil Pan Gasket
    G04901106
  29. Check foreign materials in oil pan to help determine causes of malfunction. If the A/T fluid is very dark, smells burned, or contains foreign particles, the frictional material (clutches, band) may need replacement. A tacky film that will not wipe clean indicates varnish build up. Varnish can cause valves, servo, and clutches to stick and can inhibit pump pressure.
    • If frictional material is detected, perform A/T fluid cooler cleaning. Refer to  "A/T FLUID COOLER CLEANING ".
      Fig 29: Checking Foreign Materials In Oil Pan
      G04875910
  30. Remove magnets from oil pan.
    Fig 30: Identifying Magnets From Oil Pan
    G04875911
  31. Straighten terminal clips to free terminal cord assembly and A/T fluid temperature sensor 2 harness.
  32. Disconnect A/T fluid temperature sensor 2 connector.
    CAUTION: Do not damage connector.
    Fig 31: Identifying A/T Fluid Temperature Sensor 2 Connector
    G04901115
  33. Straighten terminal clip to free revolution sensor harness.
  34. Disconnect revolution sensor connector.
    CAUTION: Do not damage connector.
    Fig 32: Identifying Revolution Sensor Harness Clip
    G04876049
  35. Remove bolts (A), (B) and (C) from control valve with TCM.
    BOLT LENGTH CHART

    Bolt symbol Length mm (in) Number of bolts
    A 42 (1.65) 5
    B 55 (2.17) 6
    C 40 (1.57) 1
    Fig 33: Identifying Bolts Location
    G04901207
  36. Remove control valve with TCM from transmission case.
    CAUTION: When removing, be careful with the manual valve notch and manual plate height. Remove it vertically.
    Fig 34: Identifying Control Valve With TCM From Transmission Case
    G04876051
  37. Remove A/T fluid temperature sensor 2 with bracket from control valve with TCM.
    Fig 35: Identifying A/T Fluid Temperature Sensor 2
    G04875917
  38. Remove bracket from A/T fluid temperature sensor 2.
    Fig 36: Identifying A/T Fluid Temperature Sensor 2 Connector
    G04875918
  39. Remove O-ring from A/T assembly harness connector.
    Fig 37: Identifying O-Ring In A/T Assembly Harness Connector
    G04875919
  40. Disconnect TCM connectors.
    CAUTION: Do not damage connectors.
    Fig 38: Connecting TCM Connector
    G04875920
  41. Remove A/T assembly harness connector from control valve with TCM using suitable tool.
    Fig 39: Identifying A/T Assembly Harness Connector
    G04875921
  42. Disconnect TCM connector and park/neutral position switch connector.
    CAUTION: Do not damage connectors.
    Fig 40: Identifying TCM Connector And Park/Neutral Position (PNP) Switch Connector
    G04875922
  43. Remove rear extension assembly (2WD models) or adapter case assembly (4WD models) according to the following procedures.
    1. 2WD models 
      1. Remove rear extension assembly to transmission case bolts.
        Fig 41: Identifying Bolts For Rear Extension Assembly And Transmission Case
        G04875955
      2. Tap rear extension assembly with soft hammer.
        Fig 42: Taping Rear Extension Assembly
        G04876059
      3. Remove rear extension assembly (with needle bearing) from transmission case.
        Fig 43: Identifying Rear Extension Assembly To Transmission Case
        G04876060
    2. 4WD models 
      1. Remove adapter case to transmission case bolts (1) and terminal bracket (2).
        • Self-sealing bolt (3)
          Fig 44: Identifying Bolts For Adapter Case Assembly And Transmission Case
          G04898166
      2. Tap adapter case assembly using suitable tool.
        Fig 45: Taping Adapter Case Assembly
        G04898167
      3. Remove adapter case assembly (with needle bearing) from transmission case.
        Fig 46: Identifying Adapter Case Assembly To Transmission Case
        G04898168
      4. Remove gasket from transmission case.
        Fig 47: Identifying Gasket Onto Transmission Case
        G04901220
  44. Remove bearing race from output shaft.
    Fig 48: Identifying Bearing Race In Output Shaft
    G04875958
  45. Remove output shaft from transmission case by rotating left and right.
    Fig 49: Identifying Output Shaft In Transmission Case
    G04876062
  46. Remove parking gear from output shaft.
    Fig 50: Identifying Parking Gear To Output Shaft
    G04875960
  47. Remove seal rings from output shaft.
    Fig 51: Applying Petroleum Jelly To Seal Rings
    G04875961
  48. Remove needle bearing from transmission case.
    Fig 52: Applying Petroleum Jelly To Needle Bearing
    G04876065
  49. Remove revolution sensor from transmission case.
    CAUTION:
    • Do not subject it to impact by dropping or hitting it.
    • Do not disassemble.
    • Do not allow metal filings or any foreign material to get on the sensor's front edge magnetic area.
    • Do not place in an area affected by magnetism.
      Fig 53: Identifying Revolution Sensor
      G04876066
  50. Remove reverse brake snap ring using two flat-bladed screw-drivers.
    NOTE: Press out snap ring from the 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.
    • Check facing for burns, cracks or damage. If necessary, replace the plate.
      Fig 54: Identifying Reverse Brake Retaining Plate From Transmission Case
      G04876067
  52. Remove N-spring from transmission case.
    Fig 55: Identifying N-Spring From Transmission Case
    G04876068
  53. Remove reverse brake drive plates, driven plates and dish plate from transmission case.
    • Check facing for burns, cracks or damage. If necessary, replace the plate. 
      Fig 56: Identifying Reverse Brake Drive Plates
      G04876069
  54. Remove snap ring using suitable tool.
    Fig 57: Identifying Snap Ring
    G04876070
  55. Remove spring retainer and return spring from transmission case.
    Fig 58: Identifying Spring Retainer And Return Spring
    G04876071
  56. Remove seal rings from drum support.
    Fig 59: Applying Petroleum Jelly To Seal Rings
    G04876072
  57. Remove needle bearing from drum support edge surface.
    Fig 60: Applying Petroleum Jelly To Needle Bearing
    G04876073
  58. Remove reverse brake piston from transmission case using compressed air. Refer to "OIL CHANNEL ".
    CAUTION: Care should be taken not to abruptly blow air. It makes the piston incline, and as a result, it becomes hard to disassemble the pistons.
    Fig 61: Applying Compressed Air To Reverse Brake
    G04876074
  59. Remove D-rings from reverse brake piston.
    Fig 62: Identifying D-Rings In Reverse Brake Piston
    G04876075
  60. Knock out retaining pin using suitable tool.
    Fig 63: Identifying Retaining Pin
    G04876076
  61. Remove manual shaft retaining pin using suitable tool.
    Fig 64: Identifying Manual Shaft Retaining Pin
    G04876077
  62. Remove manual plate (with parking rod) from manual shaft.
    Fig 65: Identifying Manual Plate (With Parking Rod) To Manual Shaft
    G04876078
  63. Remove parking rod from manual plate.
    Fig 66: Identifying Parking Rod
    G04876153
  64. Remove manual shaft from transmission case.
    Fig 67: Identifying Manual Shaft
    G04876080
  65. Remove manual shaft oil seals using suitable tool.
    CAUTION: Do not scratch transmission case.
    Fig 68: Identifying Manual Shaft Oil Seals
    G04876081
  66. Remove detent spring and spacer from transmission case.
    Fig 69: Identifying Detent Spring And Spacer
    G04876082
  67. Remove snap ring from transmission case using suitable tool.
    Fig 70: Identifying Snap Ring
    G04876083
  68. Remove servo assembly (with return spring) from transmission case.
    Fig 71: Identifying Servo Assembly In Transmission Case
    G04876084
  69. Remove return spring from servo assembly.
    Fig 72: Identifying Return Spring To Servo Assembly
    G04876085
  70. Remove O-rings from servo assembly.
    Fig 73: Identifying New O-Rings To Servo Assembly
    G04876086
  71. Remove needle bearing (1) from rear extension (2WD models) or adapter case (4WD models).
    Fig 74: Applying Petroleum Jelly To Needle Bearing
    G04875973
  72. Remove parking actuator support from rear extension (2WD models) or adapter case (4WD models).
    Fig 75: Identifying Parking Actuator Support
    G04875963
  73. Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD models) or adapter case (4WD models).
    Fig 76: Identifying Parking Pawl (With Return Spring) And Pawl Shaft
    G04875964
  74. Remove return spring (1) from parking pawl (2).
    Fig 77: Identifying Return Spring To Parking Pawl
    G04875965
  75. Remove rear oil seal from rear extension (2WD models) or adapter case (4WD models) using suitable tool.
    CAUTION: Do not scratch rear extension (2WD models) or adapter case (4WD models).
    Fig 78: Identifying Rear Oil Seal From Rear Extension
    G04901251
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