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Discussion Starter · #1 ·
It was around 40 degrees out this morning so I started my truck and went back inside. I came out and when I got close it sounded like a cat was crunching food under the bed of the truck. Wasn't too loud but got my attention. I drove for 50 yards and it was gone. I checked after a 15 min drive and it was still gone. First time I noticed it but only had the truck for a week.

Any reason to be concerned?

Thanks!
 

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Well, I am not big on cats, but I would rather hope that it was a tree rat or other rodent chewing acorns on top of your spare tire before you pulled off.
 

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2017 Silverado LTZ Z71
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I'd be more worried about a rat chewing through my wiring.....

Did the sound seem to be coming from your exhaust area?
my stock muffler would rattle sometimes right after start, but it'd be a distinct metallic rattle.
 

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2017 Silverado LTZ Z71
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No concern, its normal. You blow out the moisture when you drive it anyway.
 
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