Catalytic Rattle?

[ZabbaJones]

This is Rattling when it warms up. Is this my cat? What is the best fix. I have an appointment with the dealer on April 4th they will look at it. I think they should replace it under warranty.
Thanks for everyones resonse.
ZJ

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[BringTheLightnin]

I don't have a rattle necessarily but from a stop with light acceleration right at around 4ish mph there's a vibration for a moment that sounds like it's the exhaust. Just noticed a couple days ago. Not sure if it's normal or not

 

[Sponge60]

Perhaps it is a heat shield that's rattling vs the cat?

 

[ZabbaJones]

Perhaps it is a heat shield that's rattling vs the cat?

The heat shield is wrapped tightly around it. So it’s not the heat shield.

 

[LouisvEarlleJT]

It sounds like it could be some of the "stuffing" has broken loose, which would be a warranty replacement. I wouldn't toss out the possibility of it being the heat shield though, even if it is tightly wrapped it just takes one little piece to make a heck of a racket.

 

[aevgladitorrubi]

This is Rattling when it warms up. Is this my cat? What is the best fix. I have an appointment with the dealer on April 4th they will look at it. I think they should replace it under warranty.
Thanks for everyones resonse.
ZJ

I get the same thing-- in the garage right after I've started and put in reverse, not as much in P... haven't had the dealership check it out yet, but I'm going to.

 

[UpstateClassic]

I was wondering of you found the cause of the rattle?

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