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 Pan Assemble Engine Lubrication Oil Sump/Pan
Caution:Refer toFastener Caution.Install the oil pan drain plug-(1) and NEW O-ring seal-(2) and tighten to 25-Y (18-lb-ft).Install the NEW engine oil level switch seal-(1).Install the engine oil level switch-(3).Install the engine oil level switch bolts-(2) and tighten to 10-Y (89-lb-in).Install NEW ...