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 UnitRemoving the Spare Tire and Tools
Tow Eye (If Equipped)
Fuel Funnel (If Equipped)
Strap
Jack
Screwdriver (If Equipped)
To access the spare tire and tools:
Open the liftgate. See Liftgate.
Fold the rear part of the load
floor to the front, pull it
rearward to disengage the
clips, ...