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 UnitKnuckle Replacement Knuckles
Special Tools J 37043 Park Brake Cable Release ToolRemoval ProcedureRaise and support the vehicle. Refer toLifting and Jacking the Vehicle.Remove the tire and wheel. Refer toTire and Wheel Removal and Installation.Disconnect the rear park brake cable from the park brake actuator.Using the J 37043 pa ...