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 UnitManual Shift Detent Lever with Shaft Position Switch Assembly Replacement Automatic Transmission Unit
/.Manual Shift Detent Lever with Shaft Position Switch Assembly ReplacementCalloutComponent NamePreliminary ProceduresRemove the transmission range selector lever. Refer toAutomatic Transmission Range Selector Lever Replacement.Remove the lower control valve body. Refer toControl Valve Lower Body an ...