Car Problem Reports

Nissan Altima Rattle/CEL Due to Cracked Welds on Catalytic Converter Heat Shield

Nissan Altima Problem
32 Reports
Me Too

Model Years Affected: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012

Exhaust & Emissions Affected: 3.5L V6

Average Mileage: 68,895 mi (30,000 mi - 178,000 mi)


Welds on the catalytic converter heat shield can corrode causing a rattle during acceleration and possibly causing Check Engine Light illumination. The common repair for this issue is replacement of the damaged catalytic converter.

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