1999 Chevy Camaro exhaust

Tiny
ZERO23
  • MEMBER
  • 1999 CHEVROLET CAMARO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I have a 1999 camaro and when it is in park or ideling while turned on it makes a ratling noise and I thought it was my exhaust so I got new flowmasters put on it and the noise still persisted and my dad tells me the rattling noise is coming from the catalyic converter. If so how can I fix it?
Tuesday, December 25th, 2007 AT 7:50 PM

2 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
Technically you cannot fix a catalytic converter.

Sounds to me that you may have a loose heat sheild or a exhaust hanger mount somewhere, check those first.
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Tuesday, December 25th, 2007 AT 8:21 PM
Tiny
ARTMANG
  • MEMBER
  • 61 POSTS
I have a camaro that was doin the same rattling noise. My catalic converter had broken pieces inside and some of it was getting inside the exit side of the pipe and I was losing power so I just got a new one installed and it runs fine now. But yes first make sure u check hangers or heat shield. But mostlikely is gonna be the cat. Make sure theyt check that it doesnt have any loose pieces in the exit side of pipe.
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Wednesday, December 26th, 2007 AT 6:22 PM

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