I have a bathroom faucet that needs 1 1/4 turns for the hot water valve to start flowing, but the cold has flow start at 1/4 turn. With another turn, the hot water valve gives good brisk flow. I have replaced the washer and it made no difference. I see no obvious difference between the hot and cold, so do not know why it is so "loose." It is rather mushy on turning off...water stops flowing about 1 full turn from feeling more snug. I have seen no other valve that behaves this way. It does not leak, or malfunction in any other way. What is causing this?