Home » Topics » Cadillac Forum » Cadillac CT5 Forum » 2021 CT5 rattling sound

2021 CT5 rattling sound

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  • March 16, 2023 at 9:31 am #95954
    mullenrm
    Participant

    I took my 2021 CT5 vehicle back to the dealer for the rattling sound when accelerating. The technicians removed the Exhaust Cross Support Brace. The problem was resolved. I have had no further issues.

    March 16, 2023 at 9:33 am #95955
    mullenrm
    Participant

    My mistake. My CT5 is a 2022 model.

    August 5, 2023 at 3:15 pm #98904
    heywardjr
    Participant

    We had a similar sound but it only occurred when you were hitting the brakes and decelerating. They had the car for one month, gave us a nice loaner. They had to bring in the factory technicians at great cost to GM. Turns out there wads a baffle that was not properly installed at the factory and other pieces were hiding it from the dealer. They had to take the wheels off in the front and touch everything until they found the bugger. It had been installed backwards and so was not attached to where it was supposed to be. Jesus.

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