My co-worker and I have been having issues on and off of threaded holes (their dashed thread lines) showing on the wrong drawing views.  Threaded holes will literally show on a view when they are on the opposite side of the part. No, I do not have the view on hidden lines visible. We can't always click on the lines to hide them. System will not allow us to.  If I try to just insert them using the model items, it will require me to select entire model and then everything goes haywire.  I have done CNTRL + Q, sometimes that has fixed it, but more often it does not. What else is there to try? Everything will look fine within the models/assemblies.  Other drawings will be ok as well. But when it's the final assembly, it makes threaded holes that should be hidden, appear.