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Home >> GMC >> 2021 >> Terrain SLT, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Control Valve Body Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2021 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4576725Courtesy of GENERAL MOTORS COMPANY

    Install the control valve body cover wiring connector hole seal (4).

  2. Install the control valve body cover gasket (3) to the control valve body cover.
  3. Install the control valve body cover (2).
  4. Hand start the control valve body cover bolts (1).
  5. Fig 1: Control Valve Body Cover Bolts Tightening Sequence
    GM4576704Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Install all control valve body cover bolts and studs by hand then torque all bolts and studs in sequence.

    Install the control valve body cover bolts. Tighten the bolts in sequence to 12 N.m (106 lb/in).

  6. GM4575898Courtesy of GENERAL MOTORS COMPANY

    Connect the control valve body transmission control module electrical connector (1), then clip the wiring harness to the cover.

  7. Install the body ground cable and wiring harness assembly to the front of transmission.
  8. Fill the transmission with correct fluid.
  9. Check transmission fluid level. Transmission Fluid Level and Condition Check
  10. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9)
  11. Install the charge air cooler outlet air tube. Charge Air Cooler Outlet Air Tube Replacement
  12. Check for leaks.
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