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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Control Valve Lower Body and Upper Body Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Control Valve Body Components
    GM1803494Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The clutch fluid passage seal is not reusable.

  1. Install a NEW 1-2-3-4 clutch fluid passage seal (3).
    2. NOTE:
    • Ensure the control solenoid valve spring is attached to the lower control valve body assembly.
    • Align the manual valve (2) to the detent lever assembly while installing the lower control valve body assembly.
  2. Install the control valve body assembly (1).
    3. Fig 2: Identifying Control Valve Body Bolts Torque Sequence
    GM1803496Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure proper alignment of the detent assembly to the detent lever assembly with position switch while tightening the bolt. The detent assembly can move and hit the valve body assembly that could cause improper engagement with the detent lever assembly.

  3. Install the manual shaft detent assembly (2).
    4. CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Install all bolts before tightening, then tighten in specified sequence.

  4. Install the 8 control valve body bolts (1) M6x65 and tighten to 12 N.m (106 lb in).
  5. Install the 2 control valve body bolts (3) M6x55 and tighten to 12 N.m (106 lb in).
    CAUTION:

    Use care when removing or installing the filter plate assembly. A broken or missing retaining tab may not adequately secure the filter plate to the control solenoid valve assembly, resulting in possible damage or contamination.

    6. Fig 3: Identifying Control Solenoid Valve Assembly Filter Plate
    GM1803492Courtesy of GENERAL MOTORS COMPANY
  6. Install a NEW control solenoid valve assembly filter plate (1).
    7. Fig 4: Identifying Control Valve Body Bolts Torque Sequence
    GM1803490Courtesy of GENERAL MOTORS COMPANY
  7. Install the control solenoid valve body and TCM assembly (5).
  8. Rotate the control solenoid valve spring (7) into position.
    9. NOTE:

    Install all bolts before tightening, then tighten in specified sequence.

  9. Install the 4 control valve body bolts (1) M6x80.
  10. Install the control valve body bolt (6) M6x55.
  11. Install the 3 control valve body bolts (2) M6x95.
  12. Install the control valve body bolt (3) M6x42.
  13. Install the 2 control valve body bolts (4) M6x65.
  14. Tighten all valve body bolts in specified sequence to 12 N.m (106 lb in).
    15. Fig 5: Identifying Electrical Connectors
    GM1803486Courtesy of GENERAL MOTORS COMPANY
  15. Connect the input speed sensor electrical connector (1).
  16. Connect the output speed sensor electrical connector (2).
  17. Connect the shift position switch electrical connector (3).
  18. Install the control valve body cover. Refer to Control Valve Body Cover Replacement .
  19. For transmission control module programming and setup. Refer to Control Module References .
    NOTE:

    After an internal transmission repair or internal part replacement the service fast learn adapt procedure should be performed.

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