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 UnitInput and Output Speed Sensor Removal Automatic Transmission Unit
Input and Output Speed Sensor RemovalCalloutComponent Name1A/Trans Output Speed Sensor Bolt-M6-x-18-(Qty:-1)2A/Trans Output Speed Sensor Assembly3Input Speed Sensor Bolt M6-x-23-(Qty:-1)4Input Speed Sensor AssemblyNote:Compress the locking tabs on the plug to release it from the case and to avoid da ...