Exhaust knocking

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I've encountered a knocking noise. At first I thought it was the transmission but have found out it's coming from a section of the exhaust pipe; after it comes out of the engine, in an area that appears "flattened" before it goes on down to the muffler. It rattles when idling and at normal speed and lessens during higher rpm. I've read somewhere that it could be a loose baffle, but I'm not sure. Is this easy to replace? I can turn a wrench, but I haven't been able to find any information online regarding the 2001 exhaust so I'm not sure specifically where/what to look for. Thanks!

pondog in Birmingham AL

Dec 16, 2010

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RepairPal Certified shops can diagnose and repair your 2001 Chevrolet Suburban 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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Exhaust knocking

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pondog in Birmingham AL

Dec 16, 2010

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hescoon Dec 17, 2010

Sounds like your catalytic converter is rattling. This is somewhat easy to repair with the correct tools. I don't know if you want to try to tackle this on your own. If you would like to run by and let me listen to the noise, I would be glad to give you a recommendation.

Visitoron Dec 31, 2010

I don't have any problems doing this myself. my main problem is finding the part. It looks like I'll need ot replace the whole y-section. I was hoping to find the part local and save some cash but I can't seem to locate it.

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Popular Answer

What are the best Chevrolet repair shops?

RepairPal Certified shops can diagnose and repair your 2001 Chevrolet Suburban 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.