Join Date: Apr 2005
Location: New Orleans
Bikes: 2004 Gunnar Rock Hound MTB; 1988 Gitane Team Pro road bike; 1986-ish Raleigh USA Grand Prix; mid-'80s Univega Gran Tourismo with Xtracycle Free Radical
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If it's only a few months old, it may well be broken. But it's impossible to tell without doing some more research. If it's not broken and just needs some maintenance, taking it apart will be necessary anyway. And if it is broken, there's no harm in taking it apart to see what happened.
Pumps have rubber parts that need to be lubricated. I usually make it an annual thing. Perhaps your pump sat on the shop floor for awhile, though.