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 UnitEngine Oil Pressure Sensor and/or Switch Replacement Engine Lubrication
Engine Oil Pressure Sensor and/or Switch ReplacementCalloutComponent NamePreliminary ProcedureRemove the generator. Refer toGenerator Replacement.1Engine Oil Pressure Sensor and/or SwitchCaution:Refer toComponent Fastener Tightening Caution.ProcedureDisconnect the oil pressure sensor electricalconne ...