I have a 98 Caravan, short weel base, 3.3, that has a terrible exhaust
> noise. I have looked at the exhaust behind the catalytic converter.
> Could not see anything. The exhaust mainfolds are rusty and I am not
> too sure how to diagnose these things. Is there a common problem with
> these. It is definately in the front somewhere.
>
> I also changed the plugs and wires and serpentine belt and tensioner,
> last weekend, and now the thing is misfiring. The serpentine belt is
> also sqealing like a pig. I am going to try to change the distributor
> pack and see if that helps the misfiring. I am not sure if it is
> misfiring or bacfiring. I makes a popping noise every three or four
> seconds. The sound stops at higher RPMS. Ideas?
>
> Thanks