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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - 9T50 (M3E) - 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. Battery Negative Cable Disconnection and Connection (Without KL9) , or Battery Negative Cable Disconnection and Connection (With KL9) .
  2. Remove the charge air cooler outlet air tube. Charge Air Cooler Outlet Air Tube Replacement .
  3. Remove the transmission control module bracket. Transmission Control Module Bracket Replacement 
  4. Drain the transmission fluid. Transmission Fluid Drain and Fill 
  5. GM4489039Courtesy of GENERAL MOTORS COMPANY

    Disconnect the transmission fluid cooler inlet (2) pipe from the transmission.

  6. Disconnect the transmission fluid cooler outlet (1) pipe from the transmission.
  7. GM4489022Courtesy of GENERAL MOTORS COMPANY

    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. GM4489055Courtesy of GENERAL MOTORS COMPANY

    Remove the control valve body cover bolts (1, 2).

  10. GM4489058Courtesy of GENERAL MOTORS COMPANY

    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.