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Thread: "Rattling" Catalytic Converter
02-24-2013, 04:02 PM #1
- Join Date
- Aug 2007
"Rattling" Catalytic Converter
The left bank catalytic converter on my 2002 Chevy Subruban (5.3L flex fuel engine) has developped a rattle. The rattle resonates at only one RPM and is otherwise fairly quiet.
Is this problem common?
Is it the forerunner of a problem yet to come? (I just read the computer and it showed no codes pending)
Can I just replace one converter? (the Suburban has 140K miles)
Someone told me to tap on the catalytic converter with a rubber mallet, but I can't see how that would help.
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