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Home >> GMC >> 2021 >> Acadia AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Fluid Drain and Fill >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Lower the vehicle.
  2. Remove the left front wheel and tire assembly. Tire and Wheel Removal and Installation
  3. GM4487151Courtesy of GENERAL MOTORS COMPANY

    Remove the automatic transmission case hole plug (1) from the transmission.

  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. GM4487151Courtesy of GENERAL MOTORS COMPANY

    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) 

  6. Install the left front wheel and tire assembly. Tire and Wheel Removal and Installation