Yes, these are the heat shields around your catalytic converter and
exhaust pipes (B-pipe) contracting back to their original sizes. Not a
problem. Normal thing..........

"Paul Bielec" <me@no.spam> wrote in message news:<bfrkpm$d1n$1@dns3.cae.ca>...
> The sound you're hearing is the metal shrinking as the engine is cooling
> down.
> This is normal and I think that the exhaust would be the part making most of
> this noise.
>
> "Navin Kumar" <itsnavin@yahoo.com> wrote in message
> news:89580c73.0307250741.7f718a60@posting.google.c om...
> > Hi
> > I've a Honda Civic 1.4L(no VTEC) 97 Model and 60K miles. Last car
> > service was done at 48K miles and last oil change/filter was done at
> > 55K miles. The problem is that when ever I turn off the engine after
> > running the car for 10-15 miles, I always hear Tic-Tic-Tic sound
> > coming from the engine. And it stops after 5-7 mins. when the engine
> > cools a bit. But I am sure that there is nothing wrong with the engine
> > as I am continuously monitoring the temperature. Also the
> > coolant/radiator/fan all are working fine. I've run big distances on
> > this car in the recent time and there was not a problem of heating
> > etc. even when the sound was coming from engine after stopping the
> > car.
> >
> > It would be great if some body has the idea where this sound is coming
> > from. And what can be the solution?
> >

> > All the suggestions are welcome.
> > thanks
> >
> > Navin Kumar