i had a similar problem (it would happen when i turned left), it turned out
to be the tailpipe hitting the underside of the bed. that problem was
corrected when i had the y-pipe installed, as the pipes were shifted around
some.
Gabriel Couriel
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net]On Behalf Of Grady
Ogburn
Sent: Saturday, February 28, 2004 3:43 PM
To: dakota-truck-moderator@bent.twistedbits.net
Subject: Re: DML: RE: "Catalyst efficiency" code -- questions
On Sat, 28 Feb 2004 14:51:44 -0500, barnesrv@comcast.net said...
>
>> I have no other reason to believe that the cat really is bad,
>> although I have developed a new "clunk" directly under the
>> cab that I hear when I'm cornering on bumpy roads, that I
>> think is unrelated. Bad CATs sound like a can full of
>> marbles/gravel, right?
>
> I have had that clunk in a cat and when the cat warmed up, it went
> away...does yours do that?
My clunk actually sounds like a good-sized rock hitting the
floorpan -- I can most times feel it in my heels as much as
hearing it. I'm stone deaf in one ear though -- I can't tell
which direction sounds are coming from.
The sound doesn't go away, and I'm not even sure it comes from
the cat. I hear it when I'm cornering on bumpy surfaces, so I
suspect the cab mounts or something else mechanical. I haven't
gotten on my back under the thing yet, but from the side, I'll
be darned if I can see anything loose or flopping around.
-- Grady Ogburn (Denver, AIM: JGradyO) Black '98 Sport CC 4x4 5.2l, 5 Speed, 3.55 LSD K&N GenII, MP TB, JET II, MSD 6A, Magnecor 8.5 Wires Mesa Headers & Cat, Gibson/MagnaFlow 3" Exhaust Leer Topper
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