Removal ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.

Remove the fill plug-(1).Installation Procedure

Clean the fill plug and apply adhesive GM-P/N-12345493 (Canadian-P/N-10953488) tothe threads.
Caution:Refer toFastener Caution.
Install the fill plug-(1) and tighten to 39-Y (29-lb-ft).Lower the vehicle.
Drain Plug Replacement Automatic Transmission Unit
Transmission Fluid Drain and Fill Automatic Transmission UnitAnti-Corrosion Treatment and Repair Emblems/Decals/Paint
Warning:When applying sound deadeners, or anti-corrosion materialsdue care and preventative measures must be exercised to prevent anymaterial from being sprayed into door and quarter panel mechanismssuch as door locks, window run channels, window regulators and seatbelt retractors, as well as any mo ...