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 Line Replacement - Chassis Engine Control
Fuel Line Replacement - ChassisCalloutComponent NamePreliminary ProceduresRelieve the fuel system pressure. Refer toFuel Pressure Relief.Remove the intake manifold cover. Refer toIntake Manifold Cover Replacement.Raise and support the vehicle. Refer toLifting and Jacking the Vehicle.Disconnect the q ...