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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 544 (Automatic Transmission - Overhaul (RC4A-El)) >> Automatic Transmission >> Automatic Transmission Disassembly >> Disassembly >> Disassembly procedure

Disassembly procedure

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  1. Remove the torque converter, and immediately turn it so that the hole faces upward. This will help to keep any remaining fluid from spilling.
  2. Assemble the SSTs. 
    Fig 1: Identifying SST
    G04331348Courtesy of MAZDA MOTORS CORP.
  3. Mount the transmission on the SSTs. 
    4. Fig 2: Mount The Transmission On The SST
    G04331349Courtesy of MAZDA MOTORS CORP.
  4. Turn down the oil pan in order to gather any material.
    CAUTION:
    • Be careful not to scratch the mating surfaces of the control valve body cover and the transmission case.
  5. Remove the oil pan and the gasket.
  6. Examine any material found in the oil pan or on the magnet to determine the condition of the transmission.
    • If large amounts of material are found, replace the torque converter and carefully inspect the transmission for the cause.
    Material Cause
    Clutch facing material Drive plate wear
    Steel (magnetic) Bearing, gear, and driven plate wear
    Aluminium (non magnetic) Aluminium part wear
  7. Install the oil pan with a few bolts to protect the control valve body.
  8. Remove the turbine sensor and the vehicle speed sensor (VSS).
  9. Remove the O-ring from the turbine sensor and the VSS.
    Fig 3: Removing Turbine Sensor And Vehicle Speed Sensor (VSS)
    G04331350Courtesy of MAZDA MOTORS CORP.
  10. Remove the TR switch.
    CAUTION:
    • Denting the parking components will reduce the performance of the transmission. When handling the components, be careful not to drop them.
    Fig 4: Removing TR Switch
    G04331351Courtesy of MAZDA MOTORS CORP.
  11. Remove the extension housing as shown in the figure.
    Fig 5: Removing Extension Housing Bolts
    G04331352Courtesy of MAZDA MOTORS CORP.
  12. Remove the bearing from the extension housing.
    Fig 6: Removing Bearing From Extension Housing
    G04331353Courtesy of MAZDA MOTORS CORP.
  13. Remove the oil seal from the extension housing using a flathead screwdriver.
    Fig 7: Removing Oil Seal From Extension Housing
    G04331354Courtesy of MAZDA MOTORS CORP.
  14. Remove the output shaft component and the bearing.
    Fig 8: Removing Output Shaft Component And Bearing
    G04331355Courtesy of MAZDA MOTORS CORP.
  15. Remove the seal rings from the output shaft component.
    Fig 9: Removing Seal Rings From Output Shaft Component
    G04331356Courtesy of MAZDA MOTORS CORP.
  16. Remove the parking pawl, shaft, spring, and the spacer.
    Fig 10: Removing Parking Pawl, Shaft, Spring, And Spacer
    G04331357Courtesy of MAZDA MOTORS CORP.
  17. Remove the actuator support.
    Fig 11: Removing Actuator Support
    G04331358Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • Do not reuse the oil pan installation bolts as they are coated.
  18. Remove the oil pan.
  19. Disconnect the harness component as shown in the figure.
    Fig 12: Disconnecting Harness Component
    G04331359Courtesy of MAZDA MOTORS CORP.
  20. Remove the bolts as shown in the figure.
    NOTE:
    • When removing control valve body, be careful not to drop the manual valve.
    • Do not move the manual valve in the direction of arrow to prevent the pin for the manual valve rotation prevention from falling from the control valve body.
    Fig 13: Removing Control Valve Body Bolts
    G04331360Courtesy of MAZDA MOTORS CORP.
  21. Remove the control valve body.
    Fig 14: Removing Control Valve Body
    G04331361Courtesy of MAZDA MOTORS CORP.
  22. Remove the harness component.
  23. Remove the O-ring from the harness component.
    Fig 15: Removing Harness Connector
    G04331362Courtesy of MAZDA MOTORS CORP.
  24. Remove the roll pin using a pin punch.
    Fig 16: Removing Roll Pin Using Pin Punch
    G04331363Courtesy of MAZDA MOTORS CORP.
  25. Remove the roll pin.
    Fig 17: Removing Roll Pin
    G04331364Courtesy of MAZDA MOTORS CORP.
  26. Remove the manual shaft, manual plate and parking rod.
    Fig 18: Removing Manual Shaft, Manual Plate And Parking Rod
    G04331365Courtesy of MAZDA MOTORS CORP.
  27. Remove the detent spring.
    CAUTION:
    • Scratching the transmission will reduce the performance of the transmission. When removing the oil seal, be sure to prevent the flathead screwdriver from contacting the transmission.
    Fig 19: Removing Detent Spring
    G04331366Courtesy of MAZDA MOTORS CORP.
  28. Remove the oil seal using a flathead screwdriver.
    Fig 20: Removing Oil Seal Using Flathead Screwdriver
    G04331367Courtesy of MAZDA MOTORS CORP.
  29. Remove the torque converter housing as shown in the figure.
    Fig 21: Removing Torque Converter Housing Bolts
    G04331368Courtesy of MAZDA MOTORS CORP.
  30. Remove the O-ring from the input shaft.
    Fig 22: Removing O-Ring From Input Shaft
    G04331369Courtesy of MAZDA MOTORS CORP.
  31. Remove the bolts as shown in the figure.
    Fig 23: Removing Bolts
    G04331370Courtesy of MAZDA MOTORS CORP.
  32. Install the SST  to the oil pump.
  33. While pulling the oil pump shaft upward, remove the oil pump by sliding the weight of the SST. 
  34. Remove the SST  from the oil pump.
  35. Remove any old sealant from the oil pump.
    Fig 24: Installing SST To Oil Pump
    G04331371Courtesy of MAZDA MOTORS CORP.
  36. Remove the bearing from the oil pump.
    Fig 25: Removing Bearing From Oil Pump
    G04331372Courtesy of MAZDA MOTORS CORP.
  37. Remove the O-ring from the oil pump.
    Fig 26: Removing O-Ring From Oil Pump
    G04331373Courtesy of MAZDA MOTORS CORP.
  38. Remove the seal rings from the oil pump.
    Fig 27: Removing Seal Rings From Oil Pump
    G04331374Courtesy of MAZDA MOTORS CORP.
  39. Remove the input shaft.
    Fig 28: Removing Input Shaft
    G04331375Courtesy of MAZDA MOTORS CORP.
  40. Remove the bearing and the reverse and high clutch drum.
    Fig 29: Removing Bearing And Reverse And High Clutch Drum
    G04331376Courtesy of MAZDA MOTORS CORP.
  41. Remove the bearing from the reverse and high clutch drum.
    Fig 30: Removing Bearing
    G04331377Courtesy of MAZDA MOTORS CORP.
  42. Remove the high clutch hub and the bearing race.
    Fig 31: Removing High Clutch Hub And Bearing Race
    G04331378Courtesy of MAZDA MOTORS CORP.
  43. Remove the bearing, front sun gear, and the bearing race.
    Fig 32: Removing Bearing, Front Sun Gear, And Bearing Race
    G04331379Courtesy of MAZDA MOTORS CORP.
  44. Inspect the 2-4 brake operation. (See 2-4 BRAKE PREINSPECTION .)
  45. Remove the seal ring and the sleeve.
    CAUTION:
    • Be sure to center the SSTs on the transmission case. Otherwise, the return spring can be damaged.
    Fig 33: Removing Seal Ring And Sleeve
    G04331380Courtesy of MAZDA MOTORS CORP.
  46. Install the SSTs  to the transmission case.
    CAUTION:
    • Do not compress the 2-4 brake retainer excessively. Doing so can damage the return spring.
    Fig 34: Installing SST To Transmission Case
    G04331381Courtesy of MAZDA MOTORS CORP.
  47. Compress the 2-4 brake retainer using the SST. 
    Fig 35: Compressing Brake Retainer Using SST
    G04331382Courtesy of MAZDA MOTORS CORP.
  48. Remove the snap ring.
  49. Remove the SSTs. 
  50. Remove the 2-4 brake retainer and the return spring.
    Fig 36: Removing Brake Retainer And Return Spring
    G04331383Courtesy of MAZDA MOTORS CORP.
  51. Remove the 2-4 brake piston from the 2-4 brake retainer.
    Fig 37: Removing Rake Piston From Brake Retainer
    G04331384Courtesy of MAZDA MOTORS CORP.
  52. Remove the seal rings from the 2-4 brake piston.
    Fig 38: Removing Seal Rings From Brake Piston
    G04331385Courtesy of MAZDA MOTORS CORP.
  53. Remove the carrier component, plates of the 2-4 brake, and the N-spring.
    NOTE:
    • Remove the low one-way clutch inner race by loosening the bolts evenly and gradually. Otherwise, the low one-way clutch inner race will slant and become irremovable.
    Fig 39: Removing Low One-Way Clutch Inner Race
    G04331386Courtesy of MAZDA MOTORS CORP.
  54. Remove the bolts.
    Fig 40: Removing Bolts
    G04331387Courtesy of MAZDA MOTORS CORP.
  55. Remove the bearing and the low one-way clutch inner race.
    Fig 41: Removing Bearing And Low One-Way Clutch Inner Race
    G04331388Courtesy of MAZDA MOTORS CORP.
  56. Remove the seal rings from the low one-way clutch inner race.
    Fig 42: Removing Seal Rings From Low One-Way Clutch Inner Race
    G04331389Courtesy of MAZDA MOTORS CORP.
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