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 UnitRefrigerant Recovery and Recharging
Special ToolsJ 34100Smart CartWarning:To prevent personal injury, avoid breathing A/C Refrigerantand lubricant vapor or mist. Work in a well ventilated area. Toremove refrigerant from the A/C System, use service equipmentdesigned for recovery that is certified to meet the requirements ofthe appropri ...