Rattling noise emitted from the catalitic converter.

Tiny
CTLOBO3
  • MEMBER
  • 2003 FORD EXPEDITION
  • 90 MILES
Using a rubber hose and a metal rod, I placed the hose to my ear and touched the metal rod to differnt parts of the running engine. The noise was the loudest when I was listening to the catalitic converter. What causes the noise?
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Sunday, October 9th, 2011 AT 7:33 PM

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Tiny
RASMATAZ
  • MEMBER
You need to replace the C/Converter
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Sunday, October 9th, 2011 AT 7:37 PM

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