1996 Honda Civic EX
After driving 1 1/2 hrs to see my parents at speeds around 70 (That was actually the speed limit on I-10) I noticed right before I got to their house that there was a tinny, metal sounding vibration coming from my engine area. When I started it up the next morning so my Dad could hear it, it did not make the noise immediately. But, once I started driving over to a car care place, it started again. It was loudest at low speeds (10-35 MPH) but once I reached somewhere over 45/50 I couldn't hear it.
The guy at the car care place listened to my car when I got there and said it sounded like the catalytic converter shield. Later in the afternoon they called to say they had looked at it and didn't see any problems with it and that it looked pretty good. I explained that it had to be something making that awful metal noise and he promised to give it a closer look and longer test drive. They called back later and said that actually there was a crack in the catalytic converter shield, but that they couldn't weld it at this time, b/c it was just a crack and not broken all the way. He said that it was not dangerous and was just going to be loud.
Does this sound right? Or could there be some other possible problem?