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.
In some cases, you might need to purchase a faucet repair kit that contains special tools for fixing specific faucets. In any case, fixing a bathroom faucet can be done in a matter of minutes with just a few replacement parts.ost of the time, a problem with a bathroom faucet involves a leak. Usually, faucet leaks are caused by worn washers or seats in the faucet assembly and these are easily replaced.