On Fri, 21 Sep 2012 15:01:02 -0700 (PDT), greybuck >
wrote:

>On Friday, September 21, 2012 3:13:21 AM UTC-6, Ashton Crusher wrote:
>> On Thu, 20 Sep 2012 13:27:20 -0700 (PDT), greybuck >
>
>-------------------------------snip----------------------
>> It's possible that if one of the balance shafts broke it just means
>>
>> that the front half is still rotating while the back half no longer
>>
>> is. Other then the vibration it might not really cause any further
>>
>> problems. I don't think either of the half's can go anywhere. If the
>>
>> engine is otherwise running the same then it seems unlikely any of the
>>
>> gears or the belt is broken or messed up. The balance shafts are
>>
>> there to make the engine "seem" smoother, I doubt they affect
>>
>> longevity one way or the other.
>
>I am really begining to doubt that it has anything to do with the engine. It is like someone has installed a glass pack muffler on the car. My brother did this on two of his cars, and the vibration is consistent with what I remember.
>
>Can a bad catalytic converter cause this? No check engine light has come on.
>
>KM



You are calling it a vibration but describing a noise. Which is it?