What causes a water valve in a refrigerator to leak?
There could be a couple of different things that could cause your water valve in a refrigerator to leak. You could have a bad seal, such as a washer. You want to have a repair man look at it to tell you for sure.
you could have droped it or you could have a bad seal or a crak in the pipe
you have water dispenser have frozen some how which then i caused the water dispenser to burst therefore a refrigeration leak