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Cable snaps are dangerous – don't force it. Marko Door saved us at 2am last year when ours let go during rain. Tech was there in 45 minutes, replaced both cables, tuned the springs, under $300. No "after-hours" upcharge nonsense. They're based right in Davie with their own trucks stocked. Check their emergency page: https://markodoor.com/ – 10,000+ jobs done, lifetime warranty. Been perfect since. Real lifesavers.