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 UnitIgnition Coil Replacement - Bank 2 Engine Control
Removal ProcedureRemove the intake manifold cover. Refer toIntake Manifold Cover Replacement.Disconnect the engine wiring harness electrical connector(s) (5) from the ignitioncoil(s) (4).Remove the ignition coil bolt(s).Remove the ignition coil(s).Installation ProcedureInstall the ignition coil(s).C ...