Coastal marine layers carry salt and moisture that pit and corrode springs fast, weakening coils and causing noisy

https://judahaaiv522.image-perth.org/why-santa-ana-winds-fail-los-angeles-gate-motors-2

Coastal marine layers carry salt and moisture that pit and corrode springs fast, weakening coils and causing noisy, uneven lifts. Choose galvanized or powder-coated springs, add drip shields, and use silicone lube to slow rust.