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 UnitElectronic Component Description Automatic Transmission Unit
Control Solenoid (W/Body and TCM) Valve Assembly(1)Control Solenoid Valve Assembly X3(ISS)(2)ShiftSolenoid-1(3)Pressure ControlSolenoid-3 (R1/456)(4)Pressure ControlSolenoid-5 (1234)(5)Torque Converter Clutch (TCC)Pressure Control Solenoid(6)ShiftSolenoid-2(7)Pressure ControlSolenoid-2 (35R)(8)Press ...