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 UnitOil Filter Adapter Cleaning and Inspection Engine Lubrication Oil Filter
Cleaning ProcedureClean the oil filter adapter components withnon-corrosive solvent.Warning:Refer toSafety Glasses Warning.Dry the oil filter adapter components with compressedair.Inspection ProcedureNote:The internal parts of the oil filter adapter housing are notserviced separately. If wear or dam ...