Generally, they can occur from one of the following causes: 1  Infection. 2  Environmental exposure. 3  Malignancy. 4  Occupational exposure. 5  Collagen vascular disease (an inflammatory condition of the body including the lung) 6  Drugs. 7  Idiopathic (unknown causes)
01-08-2006, 09:34 AM. Check to see if you have the tap marker (handle) turned down to far. The jam nut (lever collar) for holding the marker straight should not be touching the lever bonnet. The bonnet is the nut that holds everything to the faucet. If it is touching, this will cause your sticking Faucet.
The water supply pipes in your houseâs plumbing may make noises or vibrate for a number of reasons, including water hammer or broken straps. Ignoring the vibration in your faucetâs hot water supply pipe can lead to serious problems with the pipe, since the vibration could be the early warning sign of major problems.