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 UnitNoise While Driver Adjusting Column Steering Wheel and Column
Noise While Driver Adjusting ColumnConditionActionInterference occurs in the column assembly pivot path.Inspect the column jacket for wear patterns. Ensure that themounting and the pivot bolts are properly installed and that thecolumn is properly aligned in the vehicle.The tilt lever assembly is dam ...