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Home >> GMC >> 2021 >> Acadia AT4 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3H), 9T60 (M3G) Or 9T65 (M3W) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Transmission Fluid Drain and Fill >> Installation Procedure

Installation Procedure

  1. Lower the vehicle.
  2. Remove the left front wheel and tire assembly. Tire and Wheel Removal and Installation
  3. Remove the automatic transmission case hole plug (1) from the transmission.
    GM4487151Courtesy of GENERAL MOTORS COMPANY
  4. Fill the transmission to the proper level with the correct fluid. Transmission Fluid Level and Condition Check , and Adhesives, Fluids, Lubricants, and Sealers .
  5. Install the automatic transmission case hole plug (1). Automatic Transmission Case Hole Plug Replacement (Case Hole Plug) , or Automatic Transmission Case Hole Plug Replacement (Auxiliary Fluid Fill Plug) 
    GM4487151Courtesy of GENERAL MOTORS COMPANY
  6. Install the left front wheel and tire assembly. Tire and Wheel Removal and Installation