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1999 Chevy Camaro Noise on engine when cold

Tiny
MIKEHAYES
  • MEMBER
  • 1999 CHEVROLET CAMARO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 56,000 MILES
Could you please throw some light on this problem.
When car is first started, a rattling noise seems to be coming from the air filter after about 5 mins the engine is perfectly quiet.
I await your response.
Thanks
Sunday, June 27th, 2010 AT 5:13 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Noises ono here are hard to diagnose simply because it's a lot easier to hear it and give an opinio. But i'd pull the air cleaner apart and see if the filter is loose or a foreign object is inside it. It could also be a piston noise that when it warms up it goes away and what that is commonly called is piston knock or slap, so when the piston expands it goes away. It doesn't hurt anything.
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Friday, July 9th, 2010 AT 2:11 PM

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