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 UnitCrankshaft Balancer Installation Engine Block Cylinder Block Crankshaft
Special ToolsEN-48585 Crankshaft Balancer GuideEN-48953 Camshaft Actuator Locking ToolEN 38122-A Crankshaft Balancer HolderEN 43653 Flywheel Holding ToolEN 45059 Angle MeterFor equivalent regional tools, refer toSpecial Tools.Caution:Ensure both components are aligned correctly or seriousengine dama ...