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 UnitBrake Pressure Modulator Valve Pressure Sensor Calibration Dynamics Control ABS Control
The brake pressure sensor does not require calibration often.Calibration of the brake pressure sensor might be required aftercertain service procedures are performed. Some of these proceduresare as follows:Electronic brake control module (EBCM) replacementBrake pressure modulator valve assembly repl ...