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CT5BW rattle during heavy acceleration

huemangos

Seasoned Member
Joined
Jun 13, 2024
Messages
62
Location
Nebraska
V-Series Cadillac(s)?
23 CT4VBW
Anyone have any idea what this rattle is under heavy acceleration? I've noticed it's significantly louder during 60-90mph ish pulls and with the exhaust in the fully open position. My dealer is being very unhelpful and there's not really much else I can go look for. It's a bit hard to hear in the video, but I would think maybe it's some sort of loose heat shield or something?
 

Attachments

  • IMG_2527.MOV
    5.6 MB
  • IMG_2527 (1).MOV
    29.2 MB

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