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 UnitTire Dismounting and Mounting Wheels
Caution:Use a tire changing machine in order to dismount tires. Donot use hand tools or tire irons alone in order to remove the tirefrom the wheel. Damage to the tire beads or the wheel rim couldresult.Caution:Do not scratch or damage the clear coating on aluminum wheelswith the tire changing equipm ...