I had a similar problem with my 2002 Civic. It was a loose engine mount bolt located on the bottom of the engine just behind the radiator. I tightened the bolt and the problem was resolved.
motsco_ _ wrote:
Tim wrote:
> > I have a 2001 civic and when I start driving in the morning I hear Metal
> > sounding Ca-Chunk, It happens after about 1000 ft or so. Also I notice
> > when I am driving less than 10 MPH and idol forward I can hear a repeated
> > Metal sounding Thump. Just wondering if anyone may know what this may be
> > before I take it in for service and get hosed since I have no idea what it
> > is. Is almost sounds like when you run over a rock and it comes up and hits
> > the underside of the car.
> >
> > Thanks.
>
> -----------------------------
>
> Does it mention in your Owner's Manual that the ABS system will make a
> noise when your vehicle first starts out in the morning?
>
> You might want to get out your tire iron and check all lug nuts too, > seriously :-)
>
> 'Curly'