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Section 391 (Automatic Transmission): Disassembly: Disassembly

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  1. Drain ATF through drain plug.
  2. Remove torque converter by holding it firmly and turing while pulling straight out.
    Fig 1: Removing & Installing Torque Converter
    G00750967Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Check torque converter One-way Clutch using check tool as shown in the figure.
    Fig 2: Step 3 Specifications & Procedures
    G00750968Courtesy 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. Check that inner race rotates clockwise only. If not, replace torque converter assembly.
  4. Remove converter housing from transmission case.
    CAUTION: Be careful not to scratch converter housing.
    Fig 3: Identifying Torque Converter Housing Mounting Bolts
    G00750969Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove O-ring from input clutch assembly.
    Fig 4: Identifying Input Clutch "O" Ring
    G00750970Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove tightening bolts for oil pump assembly and transmission case.
    Fig 5: Identifying Oil pump assembly To Transmission Case Mounting Bolts
    G00750971Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Attach sliding hammer 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: Removing Oil Pump
    G00750972Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove O-ring from oil pump assembly.
    Fig 7: Identifying Oil Pump "O" Ring
    G00750973Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove bearing race, needle bearing and front sun gear from transmission case.
    NOTE: Remove front sun gear by rotating left/right.
    Fig 8: Removing & Installing Front Sun Gear
    G00750974Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove seal rings from input clutch assembly.
    Fig 9: Locating Input Clutch Seal Rings
    G00750975Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove front carrier assembly from transmission case. (With input clutch assembly and rear internal gear.)
    CAUTION: Be careful to remove it with needle bearing.
    Fig 10: Identifying Front Carrier
    G00750976Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Loosen lock nut and remove band servo anchor end pin from transmission case.
    Fig 11: Identifying Band Servo Anchor End Pin & Lock Nut
    G00750977Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove brake band from transmission case.
    Fig 12: Identifying Brake Band
    G00750978Courtesy 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 left.

      Leave the clip in position after removing the brake band.

    • Check brake band facing for damage, cracks, wear or burns.
    Fig 13: Identifying Brake Band Clip
    G00750979Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove mid carrier assembly and rear carrier assembly as a unit.
  15. Remove mid carrier assembly from rear carrier assembly.
    Fig 14: Identifying Mid Carrier Assembly
    G00750980Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Remove needle bearing (front side) from mid carrier assembly.
    Fig 15: Identifying Mid Carrier Assembly Needle Bearing (Front Side)
    G00750981Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Remove needle bearing (rear side) from mid carrier assembly.
    Fig 16: Identifying Mid Carrier Assembly Needle Bearing (Rear Side)
    G00750982Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Remove bearing race from rear carrier assembly.
    Fig 17: Identifying Rear Carrier Assembly Bearing Race
    G00750983Courtesy of NISSAN MOTOR CO., U.S.A.
  19. Remove needle bearing from rear carrier assembly.
    Fig 18: Identifying Rear Carrier Assembly Needle Bearing
    G00750984Courtesy of NISSAN MOTOR CO., U.S.A.
  20. 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 19: Locating Mid & Rear Sun Gear Assemblies
    G00750985Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove high and low reverse clutch assembly from transmission case.
    CAUTION: Make sure that needle bearing is installed to the high and low reverse clutch assembly edge surface.
    Fig 20: Locating High & Low Reverse Clutch Assemblies
    G00750986Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove direct clutch assembly from transmission case.
    Fig 21: Locating Direct Clutch Assembly
    G00750987Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Remove needle bearing from drum support edge surface.
    Fig 22: Identifying Drum Support & Needle Bearing
    G00750988Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Remove oil pan and oil pan gasket.
    Fig 23: Locating Oil Pan Bolts & Drain Plug
    G00750989Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Remove magnets from oil pan.
    Fig 24: Locating Oil Pan Magnets
    G00750990Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Check foreign materials in oil pan to help determine causes of malfunction. If the 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  under A/T FLUID.
  27. Disconnect terminal cord assembly connectors.
    CAUTION: Be careful not to damage connector.
    Fig 25: Locating Terminal Cord Connectors
    G00750992Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Disconnect A/T fluid temperature sensor 2 connector.
    CAUTION: Be careful not to damage connector.
    Fig 26: Locating A/T Fluid Temperature Sensor 2 Connector
    G00750993Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Remove terminal cord assembly connectors from bracket.
    CAUTION: Be careful not to damage connector.
    Fig 27: Closeup Terminal Cord Connectors
    G00750994Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Disconnect revolution sensor connector.
    CAUTION: Be careful not to damage connector.
    Fig 28: Locating Revolution Sensor Connector
    G00750995Courtesy of NISSAN MOTOR CO., U.S.A.
  31. Straighten terminal clips to free terminal cord assembly and revolution sensor harness then remove terminal clips.
    CAUTION: Hang down terminal cord assembly and revolution sensor harness toward outside so as not to disturb removal of control valve assembly.
    Fig 29: Locating Terminal Clips
    G00750996Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Remove bolts A, B and C from control valve assembly.
    Fig 30: Locating Control Valve Assembly Bolts
    G00750998Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 31: Control Valve Assembly Bolt Legend
    G00750997Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Remove control valve assembly from transmission case.
    CAUTION: When removing, be careful with the manual valve notch and manual plate height. Remove it vertically.
    Fig 32: Removing & Installing Control Valve Assembly
    G00750999Courtesy of NISSAN MOTOR CO., U.S.A.
  34. Remove A/T fluid temperature sensor 2 with bracket from control valve assembly.
    Fig 33: Locating A/T Fluid Temperature Sensor 2 Connector
    G00751000Courtesy of NISSAN MOTOR CO., U.S.A.
  35. Remove bracket from A/T fluid temperature sensor 2.
    Fig 34: Removing A/T Fluid Temperature Sensor 2 Connector Bracket
    G00751001Courtesy of NISSAN MOTOR CO., U.S.A.
  36. Remove tightening bolts for output shaft & companion flange complement and transmission case.
    Fig 35: Locating Output Shaft, Companion Flange & Transmission Case Mounting Bolts
    G00751002Courtesy of NISSAN MOTOR CO., U.S.A.
  37. Tap output shaft & companion flange complement with soft hammer.
    Fig 36: Loosening Output Shaft & Companion Flange
    G00751003Courtesy of NISSAN MOTOR CO., U.S.A.
  38. Remove output shaft & companion flange complement from transmission case.
    Fig 37: Removing & Installing Output Shaft & Companion Flange
    G00751004Courtesy of NISSAN MOTOR CO., U.S.A.
  39. Remove intermediate shaft from transmission case by rotating left/right.
    Fig 38: Removing & Installing Intermediate Shaft
    G00751005Courtesy of NISSAN MOTOR CO., U.S.A.
  40. Remove needle bearing from transmission case.
    Fig 39: Locating Transmission Case Needle Bearing
    G00751006Courtesy of NISSAN MOTOR CO., U.S.A.
  41. 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 40: Locating Revolution Senstor Mounting Bolt
    G00751007Courtesy of NISSAN MOTOR CO., U.S.A.
  42. Remove reverse brake snap ring (fixing plate) using 2 flatbladed 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.
    Fig 41: Removing Reverse Brake Snap Ring (Fixing Plate)
    G00751008Courtesy of NISSAN MOTOR CO., U.S.A.
  43. Remove reverse brake retaining plate, drive plates, driven plates and dish plate from transmission case.
    CAUTION: Be careful to remove it with N-spring.
    Fig 42: Removing Reverse Brake Retaining Plate, Drive Plates, Driven Plates & Dish Plate
    G00751009Courtesy of NISSAN MOTOR CO., U.S.A.
  44. Remove snap ring (fixing spring retainer) using a flat-bladed screwdriver.
    Fig 43: Identifying Snap Ring
    G00751010Courtesy of NISSAN MOTOR CO., U.S.A.
  45. Remove spring retainer and return spring from transmission case.
    Fig 44: Identifying Snap Ring Retainer
    G00751011Courtesy of NISSAN MOTOR CO., U.S.A.
  46. Remove seal rings from drum support.
    Fig 45: Identifying Drum Support Seal Rings
    G00751012Courtesy of NISSAN MOTOR CO., U.S.A.
  47. Remove reverse brake piston from transmission case.
    Fig 46: Identifying Reverse Brake Piston
    G00751013Courtesy of NISSAN MOTOR CO., U.S.A.
  48. Remove lip seal and D-ring from reverse brake piston.
    Fig 47: Removing & Installing Reverse Brake Piston Lip Seal & "D" Ring
    G00751014Courtesy of NISSAN MOTOR CO., U.S.A.
  49. Remove terminal cord assembly connectors from bracket.
    CAUTION: Be careful not to damage connector.
    Fig 48: Identifying Terminal Cord Connectors & Bracket
    G00751015Courtesy of NISSAN MOTOR CO., U.S.A.
  50. Remove terminal cord assembly from transmission case.
    Fig 49: Removing Terminal Cord From Transmission Case
    G00751016Courtesy of NISSAN MOTOR CO., U.S.A.
  51. Use a pin punch (4mm dia. commercial service tool) to knock out retaining pin.
    Fig 50: Identifying Manual Shaft & Retaining Pin
    G00751017Courtesy of NISSAN MOTOR CO., U.S.A.
  52. Remove manual shaft retaining pin with nippers.
  53. Remove manual plate (with parking rod) from manual shaft.
    Fig 51: Remove Manual Plate Retaining Pin
    G00751018Courtesy of NISSAN MOTOR CO., U.S.A.
  54. Remove parking rod from manual plate.
  55. Remove manual shaft from transmission case.
    Fig 52: Removing Manual Plate Parking Rod
    G00751019Courtesy of NISSAN MOTOR CO., U.S.A.
  56. Remove manual shaft oil seals using a flat-bladed screwdriver.
    CAUTION: Be careful not to scratch transmission case.
    Fig 53: Indentifying Manual Shaft Oil Seal
    G00751020Courtesy of NISSAN MOTOR CO., U.S.A.
  57. Remove detent spring and spacer from transmission case.
    Fig 54: Locating Detent Spring & Spacer
    G00751021Courtesy of NISSAN MOTOR CO., U.S.A.
  58. Remove snap ring from transmission case using snap ring pliers.
    Fig 55: Identifying Transmission Case Snap Ring
    G00751022Courtesy of NISSAN MOTOR CO., U.S.A.
  59. Remove servo assembly (with return spring) from transmission case.
  60. Remove return spring from servo assembly.
  61. Remove O-rings from servo assembly.
    Fig 56: Removing & Installing Servo Assembly "O" Rings
    G00751023Courtesy of NISSAN MOTOR CO., U.S.A.
  62. Remove parking actuator support from output shaft & companion flange complement.
    Fig 57: Removing & Installing Parking Actuator Support
    G00751024Courtesy of NISSAN MOTOR CO., U.S.A.
  63. Remove parking pawl, parking pawl shaft and return spring from output shaft & companion flange complement.
    Fig 58: Locating Parking Pawl & Parking Pawl Shaft
    G00751025Courtesy of NISSAN MOTOR CO., U.S.A.
  64. Remove return spring from parking pawl.
    Fig 59: Identifying Parking Pawl & Return Spring
    G00751026Courtesy of NISSAN MOTOR CO., U.S.A.
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