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 Bumper Energy Absorber Replacement (Terrain) Bumpers Rear Bumper
Rear Bumper Energy Absorber ReplacementCalloutComponent NamePreliminary ProcedureRemove the rear bumper fascia. Refer toRear Bumper Fascia Replacement.1Rear Bumper Energy AbsorberProcedureRemove the park assist harness if equipped.Disengage the rear energy absorber from the retainers. ...