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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 6T50 (M2D) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Control Solenoid Valve And Transmission Control Module Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the transmission control valve body cover. Refer to Control Valve Body Cover Replacement .
  2. GM1998829

    Disconnect the input speed sensor electrical connector (1).

  3. Disconnect the output speed sensor electrical connector (2).
  4. Disconnect the shift position switch electrical connector (3).
  5. GM1998830

    Remove the 3 control solenoid valve assembly bolts (1) M5 x 40.5.

  6. Remove the 12 control solenoid valve assembly bolts (2) M6 x 97.
  7. Remove the control solenoid valve assembly with transmission control module (3).
    8. 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.

  8. Remove the control solenoid valve assembly filter plate (4). Discard the filter plate. It is not reusable.
  9. Inspect the channel plate bolt pass through holes for damage or brinelling. Any damage will cause incorrect pressure switch operation. Replace as necessary.
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