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 UnitSunroof Housing Rear Drain Hose Replacement Roof Drainage
Sunroof Housing Rear Drain Hose ReplacementCalloutComponent NamePreliminary ProceduresRemove the quarter window trim finish panel. Refer toQuarter Window Trim Finish Panel Replacement.Remove the body side trim panel. Refer toBody Side Trim Panel Replacement - Left SideorBody Side Trim Panel Replacem ...