No not necessarily, the rubber binding the two parts together could be broke on part of it causing it to be out of balance.

Try prying out on it in different areas around the circumference.

Last edited by FriedGreenTmater; 04/19/2013 9:23 PM.
1953 Chevrolet 3600
Fried Green T'mater (Vern)
In the Stovebolt Gallery
Caution: Political Statement
Man who runs in front of car gets tired, man who runs behind car gets exhausted.