Why not turn the engine over by hand and look for what is hitting? It is a pain getting a socket on the crank bolt, so I usually use the power steering pulley bolt. Some say not to do that, but I can't see what it would damage. If the outer damper ring comes completely loose, I can't see it damaging anything. It can't come off over the crank pulleys, so would probably just rattle around like a hula-hoop.

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1984 & 1985 CA 300D's
1964 & 65 Mopar's - Valiant, Dart, Newport
1996 & 2002 Chrysler minivans