If the sound goes away once warm
and
If the car is shut off and restared the sound is still gone.
and
it normally only occurs after the car has been sitting a few hours/overnight

it is timing chain/belt rattle due to lack of oil pressure..

get an oil filter with a quality anti-drainback valve



Ray

'99 CSVT - Silver #222/276 In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.