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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3D), 9T60 (M3T) Or 9T65 (M3V) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Control Valve Body Cover Replacement (LSY) >> Installation Procedure

Installation Procedure

  1. GM4489058Courtesy of GENERAL MOTORS COMPANY

    Install the control valve body cover (1) and gasket.

  2. Fig 1: Identifying Control Valve Body Cover Bolts With Tightening Sequence
    GM4489055Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The number (1) bolts are stud bolts.

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

  3. CAUTION:

    Refer to Fastener Caution .

    NOTE:

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

  4. Install the control valve body cover bolts. Tighten the bolts in sequence to 11 N.m (97 lb in).
  5. Install the body ground cable and wiring harness assembly to the front of transmission.
  6. GM4665630Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Outlet Pipe (2) @ Transmission - Connect - Transmission Fluid Cooler Outlet Pipe Replacement (LGX, with V08) , or Transmission Fluid Cooler Outlet Pipe Replacement (LCV, LGX, without V08)

  7. GM4755791Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Inlet Pipe (1) @ Transmission - Connect - Transmission Fluid Cooler Inlet Pipe Replacement (LCV, LGX, without V08) , or Transmission Fluid Cooler Inlet Pipe Replacement (LGX, with V08)

  8. GM5429370Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Cooling Exchanger (2) - Install - Automatic Transmission Fluid Cooling Exchanger Replacement (LSY)

  9. GM5360487Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Radiator Inlet Hose (2) - Install Radiator Inlet Hose Replacement (LSY)

  10. GM4707537Courtesy of GENERAL MOTORS COMPANY

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

  11. Fill the transmission with correct fluid. Adhesives, Fluids, Lubricants, and Sealers
  12. Check transmission fluid level. Transmission Fluid Level and Condition Check
  13. GM4707670Courtesy of GENERAL MOTORS COMPANY

    Install the electrical harness bracket (2) to the control valve body cover.

  14. Install the electrical harness bracket nuts (1) and tighten the bolts to 9 N.m (80 lb in).
  15. GM5146874Courtesy of GENERAL MOTORS COMPANY

    Install the battery tray. Battery Tray Replacement

  16. Check for leaks.