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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Control Valve Body Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (KL9) .
  2. Remove the charge air cooler outlet air tube. Refer to Charge Air Cooler Outlet Air Tube Replacement .
  3. Remove the transmission control module bracket. Refer to Transmission Control Module Bracket Replacement 
  4. Drain the transmission fluid. Refer to Transmission Fluid Drain and Fill 
    5. Fig 1: Transmission Fluid Cooler Pipes And Nut
    GM4594687Courtesy of GENERAL MOTORS COMPANY
  5. Remove the transmission fluid cooler pipe nut (1) from the transmission.
  6. Reposition the transmission fluid cooler pipes (2) out of the way.
    7. Fig 2: Control Valve Body Transmission Control Module Electrical Connector
    GM4594706Courtesy of GENERAL MOTORS COMPANY
  7. Disconnect the control valve body transmission control module electrical connector (1), then unclip the wiring harness from the cover.
  8. Remove the body ground cable and wiring harness assembly mounting bolt at front of transmission and position ground cable and harness out of the way.
    9. Fig 3: Control Valve Body Cover Bolt Tightening Sequence
    GM4489055Courtesy of GENERAL MOTORS COMPANY
  9. Remove the control valve body cover bolts (1, 2).
    10. Fig 4: Control Valve Body Cover
    GM4489058Courtesy of GENERAL MOTORS COMPANY
  10. Remove the control valve body cover (1).
  11. Clean the transmission case and control valve body cover gasket surfaces. Inspect and replace the gasket as necessary.
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