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Section 1700 (Automatic Transmission): Disassembly: Disassembly

WARNING: This page is about a different car, the 2006 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 ATF through drain plug.
  2. Remove torque converter by holding it firmly and turning while pulling straight out.
    Fig 1: Identifying Torque Converter
    G04174159Courtesy of NISSAN MOTOR CO., U.S.A.
  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: Inserting Tool Into Groove Of Bearing Support Built Into One-Way Clutch Outer Race
      G04174160Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove converter housing from transmission case.
    CAUTION: Be careful not to scratch converter housing.
    Fig 3: Identifying Converter Housing From Transmission Case
    G04174161Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove O-ring from input clutch assembly.
    Fig 4: Identifying O-Ring From Input Clutch Assembly
    G04174162Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove bolts for oil pump assembly and transmission case.
    Fig 5: Identifying Tightening oil pump bolts
    G04174163Courtesy of NISSAN MOTOR CO., U.S.A.
  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: Removing Oil Pump Assembly Evenly From Transmission Case
    G04174164Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove O-ring from oil pump assembly.
    Fig 7: Identifying O-Ring From Oil Pump Assembly
    G04174165Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove bearing race from oil pump assembly.
    Fig 8: Identifying Bearing Race To Oil Pump Assembly
    G04174166Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove needle bearing from front sun gear.
    Fig 9: Identifying Needle Bearing To Front Sun Gear
    G04174167Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove front sun gear assembly from front carrier assembly.
    NOTE: Remove front sun gear by rotating left/right.
    Fig 10: Identifying Front Sun Gear To Front Carrier Assembly
    G04174168Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove seal rings from input clutch assembly.
    Fig 11: Identifying Seal Rings From Input Clutch Assembly
    G04174169Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove front carrier assembly from rear carrier assembly. (With input clutch assembly and rear internal gear.)
    CAUTION: Be careful to remove it with needle bearing.
    Fig 12: Identifying Front Carrier Assembly From Rear Carrier Assembly
    G04174170Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Loosen lock nut and remove band servo anchor end pin from transmission case.
    Fig 13: Loosening Lock Nut
    G04174171Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Remove brake band from transmission case.
    Fig 14: Identifying Brake Band From Transmission Case
    G04174172Courtesy of NISSAN MOTOR CO., U.S.A.
    • 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. Leave the clip in position after removing the brake band. 
    • Check brake band facing for damage, cracks, wear or burns. 
      Fig 15: Checking Brake Band And Clip
      G04174173Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Remove mid carrier assembly and rear carrier assembly as a unit.
    Fig 16: Identifying Mid Carrier Assembly
    G04174174Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Remove mid carrier assembly from rear carrier assembly.
    Fig 17: Removing Mid Carrier Assembly From Rear Carrier Assembly
    G04174175Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Remove needle bearing (front side) from mid carrier assembly.
    Fig 18: Identifying Needle Bearing (Front Side) From Mid Carrier Assembly
    G04174176Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Remove needle bearing (rear side) from mid carrier assembly.
    Fig 19: Identifying Needle Bearing (Rear Side) From Mid Carrier Assembly
    G04174177Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Remove bearing race from rear carrier assembly.
    Fig 20: Identifying Bearing Race From Rear Carrier Assembly
    G04174178Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove needle bearing from rear carrier assembly.
    Fig 21: Identifying Needle Bearing From Rear Carrier Assembly
    G04174179Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove mid sun gear assembly, rear sun gear assembly and high and low reverse clutch hub as a unit.
    CAUTION: Be careful to remove them with bearing race and needle bearing.
    Fig 22: Identifying Mid Sun Gear Assembly, Rear Sun Gear Assembly
    G04174180Courtesy of NISSAN MOTOR CO., U.S.A.
  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
    G04174181Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Remove needle bearing from drum support.
    Fig 24: Removing Needle Bearing From Drum Support
    G04174182Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Remove direct clutch assembly from reverse brake.
    Fig 25: Identifying Direct Clutch Assembly
    G04174183Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Remove snap ring from A/T assembly harness connector.
    Fig 26: Identifying Snap Ring From A/T Assembly Harness Connector
    G04174184Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Push A/T assembly harness connector.
    CAUTION: Be careful not to damage connector.
    Fig 27: Pushing A/T Assembly Harness Connector
    G04174185Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Remove oil pan and oil pan gasket.
    Fig 28: Identifying Oil Pan Bolts
    G04075672Courtesy of NISSAN MOTOR CO., U.S.A.
  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 A/T Fluid For Foreign Materials
      G04081632Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Remove magnets from oil pan.
    Fig 30: View Of Magnets In Oil Pan
    G04075644Courtesy of NISSAN MOTOR CO., U.S.A.
  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: Be careful not to damage connector.
    Fig 31: Locating A/T Fluid Temperatrue Sensor 2 And Terminal Clips
    G04075646Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Straighten terminal clips to free revolution sensor harness.
  34. Disconnect revolution sensor connector.
    CAUTION: Be careful not to damage connector.
    Fig 32: Identifying Revolution Sensor Connector And Terminal Clips
    G04174190Courtesy of NISSAN MOTOR CO., U.S.A.
  35. Remove bolts A, B and C from control valve with TCM.
    BOLTS SPECIFICATION

    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 To Control Valve With TCM
    G04174191Courtesy of NISSAN MOTOR CO., U.S.A.
  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: Removing Control Valve With TCM From Transmission Case
    G04174192Courtesy of NISSAN MOTOR CO., U.S.A.
  37. Remove A/T fluid temperature sensor 2 with bracket from control valve with TCM.
    Fig 35: Identifying A/T Temperature Sensor 2
    G04128443Courtesy of NISSAN MOTOR CO., U.S.A.
  38. Remove bracket from A/T fluid temperature sensor 2.
    Fig 36: Locating A/T Fluid Temperature Sensor
    G04075652Courtesy of NISSAN MOTOR CO., U.S.A.
  39. Remove O-ring from A/T assembly harness connector.
    Fig 37: Locating Harness Connector O Ring
    G04075653Courtesy of NISSAN MOTOR CO., U.S.A.
  40. Disconnect TCM connectors.
    CAUTION: Be careful not to damage connectors.
    Fig 38: Locating TCM Connectors
    G04075654Courtesy of NISSAN MOTOR CO., U.S.A.
  41. Remove A/T assembly harness connector from control valve with TCM using suitable tool.
    Fig 39: Removing A/T Assembly Harness Connector From Control Valve
    G04174197Courtesy of NISSAN MOTOR CO., U.S.A.
  42. Disconnect TCM connector and park/neutral position switch connector.
    CAUTION: Be careful not to damage connectors.
    Fig 40: Locating TCM And Park Neutral Position Switch Connectors
    G04075656Courtesy of NISSAN MOTOR CO., U.S.A.
  43. Remove rear extension assembly (2WD models) or adapter case assembly (4WD models) according to the following procedures.
    1. 2WD models 
      1. Remove bolts for rear extension assembly and transmission case.
        Fig 41: Removing Bolts For Rear Extension Assembly And Transmission Case
        G04174199Courtesy of NISSAN MOTOR CO., U.S.A.
      2. Tap rear extension assembly with soft hammer.
        Fig 42: Taping Rear Extension Assembly
        G04174200Courtesy of NISSAN MOTOR CO., U.S.A.
      3. Remove rear extension assembly from transmission case. (With needle bearing.)
        Fig 43: Identifying Rear Extension Assembly From Transmission Case
        G04174201Courtesy of NISSAN MOTOR CO., U.S.A.
    2. 4WD models 
      1. Remove bolts (1) for adapter case assembly and transmission case. (With terminal bracket (2).)
        • Self-sealing bolt (3)
          Fig 44: Identifying Bolts For Adapter Case Assembly And Transmission Case
          G04174202Courtesy of NISSAN MOTOR CO., U.S.A.
      2. Tap adapter case assembly with soft hammer.
        Fig 45: Taping Adapter Case Assembly
        G04174203Courtesy of NISSAN MOTOR CO., U.S.A.
      3. Remove adapter case assembly from transmission case. (With needle bearing)
        Fig 46: Identifying Adapter Case Assembly
        G04174204Courtesy of NISSAN MOTOR CO., U.S.A.
      4. Remove gasket from transmission case.
        Fig 47: Identifying Gasket
        G04174205Courtesy of NISSAN MOTOR CO., U.S.A.
  44. Remove bearing race from output shaft.
    Fig 48: Identifying Bearing Race From Output Shaft
    G04174206Courtesy of NISSAN MOTOR CO., U.S.A.
  45. Remove output shaft from transmission case by rotating left/right.
    Fig 49: Removing Output Shaft From Transmission Case
    G04174207Courtesy of NISSAN MOTOR CO., U.S.A.
  46. Remove parking gear from output shaft.
    Fig 50: Removing Parking Gear From Output Shaft
    G04174208Courtesy of NISSAN MOTOR CO., U.S.A.
  47. Remove seal rings from output shaft.
    Fig 51: Identifying Seal Rings From Output Shaft
    G04174209Courtesy of NISSAN MOTOR CO., U.S.A.
  48. Remove needle bearing from transmission case.
    Fig 52: Identifying Needle Bearing From Transmission Case
    G04174210Courtesy of NISSAN MOTOR CO., U.S.A.
  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, etc. to get on the sensor's front edge magnetic area.
    • Do not place in an area affected by magnetism.
    Fig 53: Identifying Revolution Sensor From Transmission Case
    G04174211Courtesy of NISSAN MOTOR CO., U.S.A.
  50. Remove reverse brake snap ring 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 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: Removing Reverse Brake Snap Ring
      G04174212Courtesy of NISSAN MOTOR CO., U.S.A.
  52. Remove N-spring from transmission case.
    Fig 55: Identifying N-Spring From Transmission Case
    G04174213Courtesy of NISSAN MOTOR CO., U.S.A.
  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: Removing Reverse Brake Drive Plates, Driven Plates And Dish Plate
      G04174214Courtesy of NISSAN MOTOR CO., U.S.A.
  54. Remove snap ring using suitable tool.
    Fig 57: Identifying Snap Ring
    G04174215Courtesy of NISSAN MOTOR CO., U.S.A.
  55. Remove spring retainer and return spring from transmission case.
    Fig 58: Identifying Spring Retainer And Return Spring In Transmission Case
    G04174216Courtesy of NISSAN MOTOR CO., U.S.A.
  56. Remove seal rings from drum support.
    Fig 59: Removing Seal Rings From Drum Support
    G04174217Courtesy of NISSAN MOTOR CO., U.S.A.
  57. Remove needle bearing from drum support edge surface.
    Fig 60: Identifying Needle Bearing From Drum Support
    G04174218Courtesy of NISSAN MOTOR CO., U.S.A.
  58. Remove reverse brake piston from transmission case with compressed air. Refer to , "OIL CHANNEL "
    CAUTION: Care should be taken not to abruptly blow air. It makes pistons incline, as the result, it becomes hard to disassemble the pistons.
    Fig 61: Identifying Reverse Brake Piston
    G04174219Courtesy of NISSAN MOTOR CO., U.S.A.
  59. Remove D-rings from reverse brake piston.
    Fig 62: Identifying D-Rings In Reverse Brake Piston
    G04174220Courtesy of NISSAN MOTOR CO., U.S.A.
  60. Use a pin punch (4mm dia. commercial service tool) to knock out retaining pin.
    Fig 63: Identifying Retaining Pin
    G04174221Courtesy of NISSAN MOTOR CO., U.S.A.
  61. Remove manual shaft retaining pin with a pair of nippers.
    Fig 64: Removing Manual Shaft Retaining Pin
    G04174222Courtesy of NISSAN MOTOR CO., U.S.A.
  62. Remove manual plate (with parking rod) from manual shaft.
    Fig 65: Identifying Manual Plate
    G04174223Courtesy of NISSAN MOTOR CO., U.S.A.
  63. Remove parking rod from manual plate.
    Fig 66: Identifying Parking Rod
    G04174224Courtesy of NISSAN MOTOR CO., U.S.A.
  64. Remove manual shaft from transmission case.
    Fig 67: Identifying Manual Shaft From Transmission Case
    G04174225Courtesy of NISSAN MOTOR CO., U.S.A.
  65. Remove manual shaft oil seals using suitable tool.
    CAUTION: Be careful not to scratch transmission case.
    Fig 68: Removing Manual Shaft Oil Seals
    G04174226Courtesy of NISSAN MOTOR CO., U.S.A.
  66. Remove detent spring and spacer from transmission case.
    Fig 69: Identifying Detent Spring And Spacer In Transmission Case
    G04174227Courtesy of NISSAN MOTOR CO., U.S.A.
  67. Remove snap ring from transmission case using suitable tool.
    Fig 70: Identifying Snap Ring
    G04174228Courtesy of NISSAN MOTOR CO., U.S.A.
  68. Remove servo assembly (with return spring) from transmission case.
    Fig 71: Identifying Servo Assembly In Transmission Case
    G04174229Courtesy of NISSAN MOTOR CO., U.S.A.
  69. Remove return spring from servo assembly.
    Fig 72: Identifying Return Spring From Servo Assembly
    G04174230Courtesy of NISSAN MOTOR CO., U.S.A.
  70. Remove O-rings from servo assembly.
    Fig 73: Identifying O-Rings From Servo Assembly
    G04174231Courtesy of NISSAN MOTOR CO., U.S.A.
  71. Remove needle bearing (1) from rear extension (2WD models) or adapter case (4WD models).
    Fig 74: Identifying Needle Bearing From Rear Extension
    G04174232Courtesy of NISSAN MOTOR CO., U.S.A.
  72. Remove parking actuator support from rear extension (2WD models) or adapter case (4WD models).
    Fig 75: Removing Parking Actuator Support From Rear Extension
    G04174233Courtesy of NISSAN MOTOR CO., U.S.A.
  73. Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD models) or adapter case (4WD models).
    Fig 76: Removing Parking Pawl And Pawl Shaft
    G04174234Courtesy of NISSAN MOTOR CO., U.S.A.
  74. Remove return spring (1) from parking pawl (2).
    Fig 77: Identifying Return Spring To Parking Pawl
    G04174235Courtesy of NISSAN MOTOR CO., U.S.A.
  75. Remove rear oil seal from rear extension (2WD models) or adapter case (4WD models) using suitable tool.
    CAUTION: Be careful not to scratch rear extension (2WD models) or adapter case (4WD models).
    Fig 78: Identifying Rear Oil Seal From Rear Extension
    G04174236Courtesy of NISSAN MOTOR CO., U.S.A.
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