A door built or installed in the mid-1980s was engineered for hardware that garage door suppliers have mostly stopped stocking as first-line parts - different spring winding cones, different drum sizes, sometimes a different track radius than what ships standard today. When a homeowner here calls about a broken spring or a cable that's jumped the drum, we're often working around an older track profile rather than dropping in a universal kit.
The heat is the other factor, and it doesn't care what year the house was built. Our region sits in a severe heat climate band, and that punishes nylon rollers, opener drive belts, and lubricant on any door regardless of age - it just shows up faster on hardware that's already thirty-plus years old and running dry. On an '80s-era door in Paradise Valley, we're usually looking at both problems at once: aged hardware that doesn't match new parts, and heat-cycled components that were already due for replacement before the mismatch became the bigger issue.