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 UnitRear Side Door Check Link Replacement Panels
Rear Side Door Check Link ReplacementCalloutComponent NamePreliminary ProceduresRemove the rear side door trim panel. Refer toRear Side Door Trim Panel Replacement.1Rear Side Door Check Link BoltCaution:Refer toFastener Caution.ProcedureMove the window to the full up position.Remove the rear door wa ...