I dont think youll have to un mod your car, none of your mods caused the problem...
The problem is all 3 nuts fell off your window motor. it didnt blow out. unless you kept trying to get it to work and blew it out.
If you search the mid-west forum for "if theyd only have used Locktite" thread its only a week or so old, so its probobly on the first few pages.
You can have the dealer do it, or do it yourself, and forget about it.