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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Automatic Transaxle (Service, Removal & Installation AY6A-El)) >> TCM Removal/Installation

TCM Removal/Installation

WARNING: This page is about a different variant/trim than selected.
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 fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  3. Disconnect the TCM connector.
  4. Remove the clip from the selector cable and disconnect the selector cable from manual shaft lever.
    Fig 1: Identifying Clip, Selector Cable, Manual Shaft Lever And TCM
    G08143094
  5. Set the adjustable wrench as shown in the figure to hold the manual shaft lever.
    Fig 2: Holding Manual Shaft Lever Using Adjustable Wrench
    G08143095
  6. Remove the manual shaft nut, washer and manual shaft lever.
    Fig 3: Identifying Manual Shaft Nut, Washer, TCM And Manual Shaft Lever
    G08143096
    CAUTION:
    • Do not use an impact wrench. Hold the manual shaft lever when removing the manual shaft nut, or the transaxle may be damaged.
  7. Remove the TCM.
    Fig 4: Identifying TCM And TCM Installation Bolts
    G08143097
    CAUTION:
    • Do not touch the terminals.
      Fig 5: Caution - Do Not Touch Terminals
      G08143098
  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: Identifying Connector Pin And O-Ring
    G08143099
  9. Remove the O-ring from the coupler component.
    Fig 7: Identifying O-Ring And Coupler Component
    G08143100
  10. Install a new O-ring to the coupler component.
    Fig 8: Identifying O-Ring And Coupler Component
    G08143101
    CAUTION:
    • Do not apply ATF to the O-ring.
  11. Align the transaxle case and coupler component connector.
    Fig 9: Aligning Transaxle Case And Coupler Component Connector
    G08143102
  12. Be sure to match the position of the TCM marking.
    Fig 10: Identifying TCM Marking Match Position
    G08143103
    CAUTION:
    • Do not turn more than 60° from the marking.
  13. Install the TCM.
  14. Verify the correct positioning of the TCM and coupler component.
    Fig 11: Locating TCM And Coupler Component
    G08143104
  15. Tighten the TCM installation bolts.
    Fig 12: Identifying TCM And TCM Installation Bolts
    G08143105

    Tightening torque 

    • 20-29 N.m {2.1-2.9 kgf.m, 15-21 ft.lbf}
  16. Install the manual shaft lever, washer and manual shaft nut.
    Fig 13: Identifying Manual Shaft Lever, Washer, TCM And Manual Shaft Nut
    G08143106
  17. Set the adjustable wrench as shown in the figure to hold the manual shaft lever.
    Fig 14: Holding Manual Shaft Lever Using Adjustable Wrench
    G08143107
    CAUTION:
    • Do not use an impact wrench. Hold the manual shaft lever when installing the manual shaft nut, or the transaxle may be damaged.
  18. Tighten the manual shaft nut.

    Tightening torque 

    • 10-14 N.m {102-142 kgf.cm, 89-123 in.lbf}
  19. Install the clip to the selector cable as shown in the figure.
    Fig 15: Identifying Clip Installation Position
    G08143108
  20. Shift the selector lever to P position.
  21. Turn the manual shaft lever to P position.
  22. Install the selector cable to the manual shaft lever.
    Fig 16: Identifying Selector Cable, TCM And Manual Shaft Lever
    G08143109
  23. Connect the TCM connector.
  24. Install the fresh-air duct and air cleaner component as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  25. Connect the negative battery cable.
  26. Perform the "Neutral Position Learning". (See TCM NEUTRAL POSITION LEARNING .)