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Section 79 (Automatic Transmission): Disassembly: Disassembly

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. 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 (2WD MODELS) ", "CROSS-SECTIONAL VIEW (VQ35DE MODELS FOR AWD) " or "CROSS-SECTIONAL VIEW (VK45DE MODELS FOR AWD) ".
  1. Drain ATF through drain plug.
  2. Remove torque converter by holding it firmly and turning while pulling straight out.
    Fig 1: Removing Torque Converter
    G04876017Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check torque converter one-way clutch using check tool as shown in the figure.
      Fig 2: Checking Torque Converter One-Way Clutch
      G04876018Courtesy of NISSAN MOTOR CO., U.S.A.
    1. Insert check tool into the groove of bearing support built into one-way clutch outer race.
    2. When fixing bearing support with check tool, rotate one-way clutch spline using screwdriver.
    3. Make sure that inner race rotates clockwise only. If not, replace torque converter assembly.
  4. Remove tightening bolts (1) for converter housing and transmission case.
    • ←: Bolt (8)
    • Self-sealing bolts (2)
      • Fig 3: Locating Bolts For Converter Housing And Transmission Case
      G05218268Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove converter housing from transmission case.
    CAUTION: Be careful not to scratch converter housing.
  6. Remove O-ring from input clutch assembly.
    Fig 4: Identifying O-Ring
    G04876020Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove tightening bolts for oil pump assembly and transmission case.
    Fig 5: Locating Bolts For Oil Pump Assembly And Transmission Case
    G04876021Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Attach the sliding hammers to oil pump assembly and extract it evenly from transmission case.
    CAUTION:
    • Fully tighten sliding hammer screw.
    • Make sure that bearing race is installed to the oil pump assembly edge surface.
      • Fig 6: Identifying Tool To Oil Pump Assembly
      G04901181Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove O-ring from oil pump assembly.
    Fig 7: Identifying O-Ring
    G04876023Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove bearing race from oil pump assembly.
    Fig 8: Identifying Bearing Race To Oil Pump Assembly
    G04901183Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove needle bearing from front sun gear.
    Fig 9: Identifying Needle Bearing
    G04876025Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove front sun gear assembly from front carrier assembly.
    NOTE: Remove front sun gear by rotating left/right.
    Fig 10: Identifying Front Sun Gear Assembly
    G04876026Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove seal rings from input clutch assembly.
    Fig 11: Identifying Seal Rings In Input Clutch Assembly
    G04876027Courtesy of NISSAN MOTOR CO., U.S.A.
  14. 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 And Input Clutch Assembly
    G04876028Courtesy of NISSAN MOTOR CO., U.S.A.
  15. 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
    G04876029Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Remove brake band from transmission case.
    Fig 14: Identifying Brake Band
    G04876030Courtesy 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 in the figure at right. 

      Leave the clip in position after removing the brake band. 

    • Check brake band facing for damage, cracks, wear or burns. 
    Fig 15: Identifying Brake Band And Clip
    G04876031Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Remove mid carrier assembly and rear carrier assembly as a unit.
    Fig 16: Identifying Mid Carrier Assembly In Rear Carrier Assembly
    G04876032Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Remove mid carrier assembly from rear carrier assembly.
    Fig 17: Identifying Mid Carrier Assembly
    G04876033Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Remove needle bearing (front side) from mid carrier assembly.
    Fig 18: Identifying Needle Bearing (Front Side)
    G04876034Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Remove needle bearing (rear side) from mid carrier assembly.
    Fig 19: Identifying Needle Bearing (Rear Side)
    G04876035Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove bearing race from rear carrier assembly.
    Fig 20: Identifying Bearing Race In Rear Carrier Assembly
    G04876036Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove needle bearing from rear carrier assembly.
    Fig 21: Identifying Needle Bearing In Rear Carrier Assembly
    G04876037Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Remove mid sun gear assembly, rear sun gear assembly and high and low reverse clutch hub as a unit.
    CAUTION: Be careful to remove then with bearing race and needle bearing.
    Fig 22: Identifying High And Low Reverse Clutch Hub
    G04876038Courtesy of NISSAN MOTOR CO., U.S.A.
  24. 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
    G04876039Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Remove direct clutch assembly from reverse brake.
    Fig 24: Identifying Direct Clutch Assembly
    G04876040Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Remove needle bearing from drum support.
    Fig 25: Identifying Needle Bearing
    G04876041Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Remove snap ring from A/T assembly harness connector.
    Fig 26: Identifying A/T Assembly Harness Connector And Snap Ring
    G04875907Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Push A/T assembly harness connector.
    CAUTION: Be careful not to damage connector.
    Fig 27: Identifying A/T Assembly Harness Connector
    G04875908Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Remove bracket (1) (VK45DE), clips (2), oil pan (3) and oil pan gasket.
    • ←: Vehicle front
    • ←: Bolt (22)
    • Drain plug (4)
      • Fig 28: Locating Bracket (VK45DE), Clips, Oil Pan And Oil Pan Gasket
      G05218145Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Check foreign materials in oil pan to help determine causes of malfunction. If the ATF 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.
    Fig 29: Checking A/T Fluid Condition
    G04875910Courtesy of NISSAN MOTOR CO., U.S.A.
  31. Remove magnets from oil pan.
    Fig 30: Identifying Magnets In Oil Pan
    G04875911Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Disconnect A/T fluid temperature sensor 2 connector (1).
    CAUTION: Be careful not to damage connector.
    Fig 31: Locating A/T Fluid Temperature Sensor Connector
    G05218148Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Straighten terminal clips ( ) to free terminal cord assembly and A/T fluid temperature sensor 2 harness.
  34. Disconnect revolution sensor connector.
    CAUTION: Be careful not to damage connector.
    Fig 32: Identifying Revolution Sensor Connector
    G04875913Courtesy of NISSAN MOTOR CO., U.S.A.
  35. Straighten terminal clip to free revolution sensor harness.
    Fig 33: Identifying Revolution Sensor Harness Clip
    G04876049Courtesy of NISSAN MOTOR CO., U.S.A.
  36. Remove bolts A, B and C from control valve with TCM.
    Fig 34: Identifying Bolts For Control Valve With TCM
    G04876050Courtesy of NISSAN MOTOR CO., U.S.A.
    BOLT LENGTH SPECIFICATION

    Bolt symbol Length mm (in) Number of bolts
    A 42 (1.65) 5
    B 55 (2.17) 6
    C 40 (1.57) 1
  37. 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 35: Identifying Control Valve With TCM
    G04876051Courtesy of NISSAN MOTOR CO., U.S.A.
  38. Remove A/T fluid temperature sensor 2 with bracket from control valve with TCM.
    Fig 36: Identifying A/T Fluid Temperature Sensor
    G04875917Courtesy of NISSAN MOTOR CO., U.S.A.
  39. Remove bracket from A/T fluid temperature sensor 2.
    Fig 37: Identifying Bracket And A/T Fluid Temperature Sensor
    G04875918Courtesy of NISSAN MOTOR CO., U.S.A.
  40. Remove O-ring from A/T assembly harness connector.
    Fig 38: Identifying O-Ring In A/T Assembly Harness Connector
    G04875919Courtesy of NISSAN MOTOR CO., U.S.A.
  41. Disconnect TCM connectors.
    CAUTION: Be careful not to damage connectors.
    Fig 39: Identifying TCM Connectors
    G04875920Courtesy of NISSAN MOTOR CO., U.S.A.
  42. Remove A/T assembly harness connector from control valve with TCM using a flat-bladed screwdriver.
    Fig 40: Identifying A/T Assembly Harness Connector
    G04875921Courtesy of NISSAN MOTOR CO., U.S.A.
  43. Disconnect TCM connector and park/neutral position switch connector.
    CAUTION: Be careful not to damage connectors.
    Fig 41: Identifying TCM Connector And Park/Neutral Position Switch Connector
    G04875922Courtesy of NISSAN MOTOR CO., U.S.A.
  44. Remove rear extension assembly (2WD models) or adapter case assembly (AWD models) according to the following procedures.
    1. 2WD models 
      1. Remove tightening bolts for rear extension assembly and transmission case.
        Fig 42: Locating Bolts For Rear Extension Assembly And Transmission Case
        G04875955Courtesy of NISSAN MOTOR CO., U.S.A.
      2. Tap rear extension assembly with soft hammer.
        Fig 43: Tapping Rear Extension Assembly
        G04876059Courtesy of NISSAN MOTOR CO., U.S.A.
      3. Remove rear extension assembly from transmission case. (With needle bearing.)
      Fig 44: Identifying Rear Extension Assembly
      G04876060Courtesy of NISSAN MOTOR CO., U.S.A.
    2. AWD models 
    1. Remove tightening bolts (1) for adapter case assembly and transmission case. [With bracket (2).]
      • Self-sealing bolts (3)
      Fig 45: Locating Bolts And Transmission Case Assembly
      G05218310Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Tap adapter case assembly with soft hammer.
      Fig 46: Tapping Adapter Case Assembly
      G04898167Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Remove adapter case assembly from transmission case. (With needle bearing)
      Fig 47: Identifying Adapter Case Assembly To Transmission Case
      G04898168Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Remove gasket from transmission case.
      5. Fig 48: Identifying Gasket Onto Transmission Case
      G04901220Courtesy of NISSAN MOTOR CO., U.S.A.
  45. Remove bearing race from output shaft.
    Fig 49: Identifying Bearing Race In Output Shaft
    G04875958Courtesy of NISSAN MOTOR CO., U.S.A.
  46. Remove output shaft from transmission case by rotating left/right.
    Fig 50: Identifying Output Shaft In Transmission Case
    G04876062Courtesy of NISSAN MOTOR CO., U.S.A.
  47. Remove parking gear from output shaft.
    Fig 51: Removing Parking Gear And Output Shaft
    G04875960Courtesy of NISSAN MOTOR CO., U.S.A.
  48. Remove seal rings from output shaft.
    Fig 52: Identifying Seal Rings On Output Shaft
    G04875961Courtesy of NISSAN MOTOR CO., U.S.A.
  49. Remove needle bearing from transmission case.
    Fig 53: Identifying Needle Bearing
    G04876065Courtesy of NISSAN MOTOR CO., U.S.A.
  50. 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 54: Identifying Revolution Sensor
      G04876066Courtesy of NISSAN MOTOR CO., U.S.A.
  51. 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.
  52. Remove reverse brake retaining plate from transmission case.
    • Check facing for burns, cracks or damage. If necessary, replace the plate. 
      • Fig 55: Identifying Reverse Brake Retaining Plate
      G04876067Courtesy of NISSAN MOTOR CO., U.S.A.
  53. Remove N-spring from transmission case.
    Fig 56: Identifying N-Spring
    G04876068Courtesy of NISSAN MOTOR CO., U.S.A.
  54. 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 57: Identifying Reverse Brake Drive Plates
      G04876069Courtesy of NISSAN MOTOR CO., U.S.A.
  55. Remove snap ring (fixing spring retainer) using a flat-bladed screwdriver.
    Fig 58: Identifying Snap Ring
    G04876070Courtesy of NISSAN MOTOR CO., U.S.A.
  56. Remove spring retainer and return spring from transmission case.
    Fig 59: Identifying Spring Retainer And Return Spring
    G04876071Courtesy of NISSAN MOTOR CO., U.S.A.
  57. Remove seal rings from drum support.
    Fig 60: Identifying Seal Rings
    G04876072Courtesy of NISSAN MOTOR CO., U.S.A.
  58. Remove needle bearing from drum support edge surface.
    Fig 61: Identifying Needle Bearing
    G04876073Courtesy of NISSAN MOTOR CO., U.S.A.
  59. 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 62: Identifying Reverse Brake Piston
    G04876074Courtesy of NISSAN MOTOR CO., U.S.A.
  60. Remove D-rings from reverse brake piston.
    Fig 63: Identifying D-Rings
    G04901235Courtesy of NISSAN MOTOR CO., U.S.A.
  61. Use a pin punch [4 mm (0.16 in) dia. commercial service tool] to knock out retaining pin.
    Fig 64: Identifying Retaining Pin
    G04876076Courtesy of NISSAN MOTOR CO., U.S.A.
  62. Remove manual shaft retaining pin with pair of nippers.
    Fig 65: Identifying Manual Shaft Retaining Pin
    G04876077Courtesy of NISSAN MOTOR CO., U.S.A.
  63. Remove manual plate (with parking rod) from manual shaft.
    Fig 66: Identifying Manual Plate
    G04876078Courtesy of NISSAN MOTOR CO., U.S.A.
  64. Remove parking rod from manual plate.
    Fig 67: Identifying Parking Rod
    G04876153Courtesy of NISSAN MOTOR CO., U.S.A.
  65. Remove manual shaft from transmission case.
    Fig 68: Identifying Manual Shaft
    G04876080Courtesy of NISSAN MOTOR CO., U.S.A.
  66. Remove manual shaft oil seals using a flat-bladed screwdriver.
    CAUTION: Be careful not to scratch transmission case.
    Fig 69: Identifying Manual Shaft Oil Seals
    G04876081Courtesy of NISSAN MOTOR CO., U.S.A.
  67. Remove detent spring and spacer from transmission case.
    Fig 70: Identifying Detent Spring And Spacer
    G04876082Courtesy of NISSAN MOTOR CO., U.S.A.
  68. Using pair of snap ring pliers, remove snap ring from transmission case.
    Fig 71: Install Snap Ring
    G04876083Courtesy of NISSAN MOTOR CO., U.S.A.
  69. Remove servo assembly (with return spring) from transmission case.
    Fig 72: Identifying Servo Assembly In Transmission Case
    G04876084Courtesy of NISSAN MOTOR CO., U.S.A.
  70. Remove return spring from servo assembly.
    Fig 73: Identifying Return Spring
    G04876085Courtesy of NISSAN MOTOR CO., U.S.A.
  71. Remove O-rings from servo assembly.
    Fig 74: Identifying O-Rings To Servo Assembly
    G04876086Courtesy of NISSAN MOTOR CO., U.S.A.
  72. Remove needle bearing from rear extension (2WD models) or adapter case (AWD models).
    Fig 75: Identifying Needle Bearing
    G04901250Courtesy of NISSAN MOTOR CO., U.S.A.
  73. Remove parking actuator support from rear extension (2WD models) or adapter case (AWD models).
    Fig 76: Identifying Parking Actuator Support
    G04875963Courtesy of NISSAN MOTOR CO., U.S.A.
  74. Remove parking pawl (with return spring) and pawl shaft from rear extension (2WD models) or adapter case (AWD models).
    Fig 77: Identifying Parking Pawl And Pawl Shaft
    G04875964Courtesy of NISSAN MOTOR CO., U.S.A.
  75. Remove return spring from parking pawl.
    • VQ35DE models 
      • Fig 78: Identifying Return Spring To Parking Pawl
      G05218198Courtesy of NISSAN MOTOR CO., U.S.A.
    • VK45DE models 
    • Return spring (1)
    • Parking pawl (2)
      • Fig 79: Identifying Return Spring And Parking Pawl
      G04875965Courtesy of NISSAN MOTOR CO., U.S.A.
  76. Remove rear oil seal from rear extension (2WD models) or adapter case (AWD models).
CAUTION: Be careful not to scratch rear extension (2WD models) or adapter case (AWD models).
Fig 80: Removing Rear Oil Seal
G05218345Courtesy of NISSAN MOTOR CO., U.S.A.
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