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 UnitBrake Rotor Thickness Measurement Disc Brakes Brake Rotors
Warning:Refer toBrake Dust Warning.If the inboard friction surface of the brake rotor is notaccessible, reposition and support the caliper with the brake pads.Refer toFront Disc Brake Pads Replacementand/orRear Disc Brake Pads Replacement.Clean the friction surfaces of the brake rotor with denatured ...