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 UnitInstrument Panel Outer Air Outlet Replacement (Terrain) Dashboard Assembly
Instrument Panel Outer Air Outlet ReplacementCalloutComponent Name1Instrument Panel Outer Air Outlet (Left)ProcedureUse a flat bladed plastic trim tool in order to release theinstrument panel outer air outlet from the instrument panelassembly.2Instrument Panel Outer Air Outlet (Right)ProcedureUse a ...