Re: 9020V Catalytic Converter Noise

[David Weiss <dzweiss@worldnet.att.net>]

Peter Tracy <pgt@ekbos.com> wrote:

> I've been hearing this raspy noise sounding like a loose heat shield
> coming from my exhaust system for a while and decided to look at it 
> this weekend. Turns out that it seems to coming from inside the 
> catalytic converter and can even be heard at idle if you are outside 
> the car.  Also, if you hit the side of the converter with your hand 
> with the engine not running, you can hear what seems to be something 
> loose in there.

> Anybody ever seen anything like this before? Does it mean I need a new
> converter? Seems strange because the car only has 40K miles on it.

Yessir, sounds like a classic case of grid-loose.  Emissions warranty
covers the cat beyond 3 yr (5 yr/50k mi most of US, 7/70 in CA).  BTW,
would you characterize your driving as mostly city, highway (doubtful w/
low mi), or mebbe across RR tracks? <g>

--Dave Weiss
  '91 V8 5-spd
  '93 90CS UnQ