New answers tagged lock
If jiggling the key doesn't work, I found that jiggling something thinner, eg a toothpick or wire nail, works better because it can pass the rotated disks more easily. Push it in all the way and move it up and down.
I've just solved this with two washing machine hose washers (they're the rubber washers that make the seal between the screw part of the hose and the tap, and they cost a few pence). Take the existing sleeves off the ends of the U, put the washers on, put the sleeves back on. Problem solved. Lock silenced. It's like having a brand new bike.
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