On a door built around 1991, the complaints we hear from Jersey Village owners tend to be the same handful: a door that shudders or hesitates partway up, a spring that looks fine but sounds different than it used to, rollers that have gone from a smooth roll to a grinding shuffle, and an opener that runs longer or louder than it did a year ago.
None of that is dramatic yet. That's the point of maintenance - catching it before it's a 6 a.m. call with the door stuck halfway. A torsion spring on a 16-by-7 door built in this window is rated for a set number of open-close cycles, and most of these springs are now well into the second half of that rating. They don't usually snap without warning; they usually get louder and stiffer for weeks first, if anyone's listening.
We also check for track separation from the wall bracket, which shows up more on doors this age because the original mounting hardware wasn't always rated for thirty-plus years of thermal cycling.