That is correct. Putting the correct sounds in this engine is NOT going to change ANYTHING else.
I see. Then I would like to see both before and after before I make up my mind to send the trains. I have seen people say their trains had more problems after it went to Lionel.
BTW I finally got a replay back from Lionel (Aaron) asking me to call and give them the info to start the RA. Got the replay back yesterday. I guess they are reading this.