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 UnitFastener Tightening Specifications - Wheels Wheels
Fastener Tightening SpecificationsApplicationSpecificationMetricEnglishRear Upper Control Arm to Frame Bolt160-Y118-lb-ftTie Rod Jam Nut60-Y44-lb-ftToe Link To Frame Fastener Bolt160-Y118-lb-ft ...