I had the same exact symptom/problem on a different rig. It was a loose bit
a sheet metal in the cat. New cat, no prob.
----- Original Message -----
From: "Kenneth Berntsen" <kenneth@berntsen.cc>
To: <dakota-truck@buffnet.net>
Sent: Wednesday, December 13, 2000 6:07 PM
Subject: DML: Rattling noise when cold.
> Okay
>
> I've had this problem for almost as long as I can remember. When I start
> her up, especially on cold or cool mornings, I hear a rattling noise kinda
> loud. I goes away when the engine is revved up and once the engine warms
> up. The other day I was changing the oil so I was running the engine to
> warm the oil a little so it would all flow out. I was hearing the rattle
so
> I started crawling around the truck trying to find the source. I think it
> is coming from the catalytic converter. My only thought is that the
> computer has it running rich while it warms up and I'm hearing the excess
> full burn up / explode in the cat. Any one got and input to this?
>
> Oh BTW its a 96 V6.
>
> Later
> Kenneth
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:57:58 EDT