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 UnitFuel Tank Filler Pipe Replacement Engine Control
Fuel Tank Filler Pipe ReplacementCalloutComponent NamePreliminary ProcedureRemove the rear wheel house liner. Refer toRear Wheelhouse Liner Replacement.Disconnect the evaporative emission lines. Refer toPlastic Collar Quick Connect Fitting Service.1Filler Pipe Fastener (Qty: 3)Caution:Refer toFasten ...