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 Replacement Dynamics Control ABS Control
Removal ProcedureWarning:Refer toBrake Fluid Irritant Warning.Caution:Refer toBrake Fluid Effects on Paint and Electrical Components Caution.Caution:Always connect or disconnect the wiring harness connectorfrom the EBCM/EBTCM with the ignition switch in the OFF position.Failure to observe this preca ...