Catalytic Converter Heat Shield Noise

In some cases a loose heat shield could be a major problem. On closer look the heat shield is very rusty and part of it basically is about to fall off. These kinds of temperatures are more than enough to automatically ignite grease oil and transmission fluid particularly if it happens to come into direct contact with the catalytic.

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But i can tell you that i ve rewelded loose heat shields back onto catalytic converters because they made noise.

Catalytic converter heat shield noise. Hello i like to get some help with my 2003 honda pilot ex l. How to fix catalytic converter heat shield rattle by richard rowe. This can be done by removing a few bolts.

I finally took it to get checked after over a year of this odd noise and was told that the bolts that hold the heat shield for the catalytic converter are cracked beyond repair and it is loose and makes that noise. If the heat shield is missing bolts or has become loose it can cause excess noise while the car runs. My 2002 honda civic was whistling kinda like a slide whistle while the car would idle and the a c was on.

Not only can the catalytic converter s heat warm up the interior of the car it can cause a fire if you park on dry grass or leaves. You may need to use some penetrating oil since the high heat can cause the bolts to be quite stubborn. To fix this you ll first need to remove the heat shield.

Or they were simply removed because there wasn t anything left of the heat shield where it was effective as a heat shield tester. They wanted 32 for the job. Because the primary purpose of the exhaust system is to route superheated gases away from the engine everything around the exhaust manifolds catalytic converter exhaust pipes and muffler.

Dealership told me the rattle was from a loose heat shield on the catalytic converter. I also suspect that the rattling noise came from heat shield and he just took it off and overcharge me for new cat. I can t answer your question about the virginia inspection.

As to whether the mechanic removed it. I noticed the other day that something is dangling near the catalytic converter. A few years ago i have noticed rattling noise due to.