Was taking off stock intercooler today and this happened.I was having trouble getting it out,so I decided to take off i.c. fan.When I took out the 3 bolts fan came off but it sure sounded like something fell off the bolts into this brass looking piece bolted to harmonic balancer.Part of fan?I think there is 3 bolts in the brass piece.I tried to loosen up one and motor turns.