2003 Buick Lesabre exhaust noise

2003 BUICK LESABRE
85,000 MILES • 6 CYL • FWD • AUTOMATIC
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JP4ME
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  • 1 POST
my exhaust will be loud one day, then quiet the next. It seems to be coming from the front under my feet.I've tried to locate a diagram of my exhaust system with no luck.I have a haynes manual which shows nothing relating to exhaust.
Jan 24, 2009 at 11:32 PM
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DOCFIXIT
  • ✓ASE Certified Mechanic
  • 18,828 POSTS
  • ASE Certified Mechanic
Maybe catalytic convertor they are in that area
Jan 26, 2009 at 11:15 AM
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