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 UnitBalance Shaft Installation Engine Block Cylinder Block Balance Shaft
Note:This procedure is not used in Europe.Special Tools EN-43650 Balance Shaft Bushing Remover/InstallerFor equivalent regional tools, refer toSpecial Tools.Install the balance shaft bushing using the EN-43650 installer-(1).Seat the balance shaft bushing into the bore using the EN-43650 installer-(1 ...