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TCM Removal/Installation [Aw6A-El]: Notes

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it.
  • Do not damage the terminals.
  1. Disconnect the negative battery cable
  2. Remove the air cleaner component (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7] .)
  3. Disconnect the TCM connector
  4. Remove the clip and disconnect the selector cable.
    Fig 1: Identifying TCM Connector, Manual Shaft Lever, Clip & Selector Cable
    G06200122Courtesy of MAZDA MOTORS CORP.
  5. Set the adjustable wrench as shown in the figure to hold the manual shaft lever.
    CAUTION:
    • Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
    Fig 2: Holding Manual Shaft Lever
    G04970315Courtesy of MAZDA MOTORS CORP.
  6. Remove the manual shaft nut and washer.
    Fig 3: Identifying Manual Shaft Nut, Washer & TCM
    G04970316Courtesy of MAZDA MOTORS CORP.
  7. Remove the TCM.
    Fig 4: Identifying TCM Mounting Bolts & TCM
    G06200125Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • Do not touch the terminals.
    Fig 5: View Of TCM
    G04970318Courtesy of MAZDA MOTORS CORP.
  8. Inspect the condition of the connector pin of the coupler component (foreign material, bent pins, broken pins) and O-ring after the TCM is removed.
    Fig 6: View Of Coupler Component
    G04970319Courtesy of MAZDA MOTORS CORP.
  9. Align the transaxle case and coupler component connector.
    Fig 7: Aligning Transaxle Case & Coupler Component Connector
    G04970320Courtesy of MAZDA MOTORS CORP.
  10. Be sure to match the position of the TCM marking.
    CAUTION:
    • Do not turn more than 60° from the marking.
  11. Install the TCM.
    Fig 8: View Of TCM
    G04970321Courtesy of MAZDA MOTORS CORP.
  12. Verify the correct positioning of the TCM and coupler component.
  13. Tighten the TCM mounting bolts.

    Tightening torque 

    19.6-29.4 N.m {2.0-2.9 kgf.m, 14.5-21.6 ft.lbf} 

    Fig 9: Locating TCM Mounting Bolts
    G04970322Courtesy of MAZDA MOTORS CORP.
  14. Install the manual shaft lever and the washer.
    Fig 10: Identifying Manual Shaft Lever, Washer, TCM & Manual Shaft Nut
    G06200131Courtesy of MAZDA MOTORS CORP.
  15. Set the adjustable wrench as shown in the figure to hold the manual shaft lever.
    CAUTION:
    • Do not use an impact wrench. Hold the manual shaft lever when installing the manual shaft nut, or the transaxle may be damaged.
    Fig 11: Holding Manual Shaft Lever
    G04970315Courtesy of MAZDA MOTORS CORP.
  16. Tighten the manual shaft nut.

    Tightening torque 

    9.8-14.7 N.m {100-142 kgf.cm, 87-123 in.lbf} 

  17. Install the clip to the selector cable as shown in the figure.
    18. Fig 12: Identifying Selector Cable Clip
    G04970325Courtesy of MAZDA MOTORS CORP.
  18. Shift the selector lever to P position
  19. Turn the manual shaft lever to P position.
  20. Install the selector cable to the manual shaft lever.
  21. Connect the TCM connector.
  22. Install the air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.7] .)
  23. Connect the negative battery cable.
    Fig 13: Identifying Selector Cable, Manual Shaft Lever & TCM
    G04970314Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • Perform the "Neutral Position Learning" if replacing the TCM or removing the TCM on the transaxle
  24. Perform the "Neutral Position Learning". (See NEUTRAL POSITION LEARNING .)
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