2002 Pontiac Grand Prix catalytic converter

79,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MCASPERAITES
  • MEMBER
  • 1 POST
How do you replace the catalytic converter?
Jan 7, 2008 at 8:37 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

These are part of the exhaust system, and are normally bolted on using a flange and gasket, but some are welded and must be cut out and a new converter welded back in place.

Mark (mhpautos)
Jan 7, 2008 at 8:45 AM
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