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  1. S

    Rattle Front Left. Help I’m going crazy

    Had a squeak/rattle when going over bumps on my 2016. Dealer replaced a jounce bumper. GM bulletin PIT5477A.
  2. S

    2017 Denali fluttering when accelerating. VIDEO

    Did you ever get this resolved?
  3. S

    2017 Denali fluttering when accelerating. VIDEO

    Same here. The noise has completely disappeared during the colder months. I have heard it come back on warmer days, though. I think this is more related to the engine than exhaust, perhaps affected by the richer fuel mixture when it’s cold.
  4. S

    Squeaking suspension.

    I have a 2016 Tahoe and had a similar problem a few months ago. After 3 trips to 2 different dealers, it was fixed. According to the repair order they replaced a "jounce bumper". GM is actually aware of this because a technical service bulletin (PIT5477A) was listed in the repair details. So...
  5. S

    2017 Denali fluttering when accelerating. VIDEO

    I took the Tahoe in to another dealer. They kept it 3 days and researched all of GM’s service bulletins. I got it back with an all new exhaust system. As expected, it did nothing to solve this issue. I had even told them I don’t think it’s the exhaust. I don’t think the dealers know how to...
  6. S

    2017 Denali fluttering when accelerating. VIDEO

    It's not the AFM in my case either. I've tried the M5 trick. The sound is there like an exhaust leak when the engine is around 1200-1700 rpm and slight acceleration is applied. And as I stated in an earlier post, this only happens after the engine has reached normal temperature. When cold...
  7. S

    2017 Denali fluttering when accelerating. VIDEO

    Anyone have this repaired? My 16 Tahoe sounds like it has ping/rattling/exhaust leak type sound when accelerating at 1500 rpm. Only happens after the engine has reached normal operating temperature and the weather is warm.
  8. S

    17 Tahoe makes squeaky suspension noises

    You're welcome. It was frustrating to hear squeaks on my Tahoe as well.
  9. S

    17 Tahoe makes squeaky suspension noises

    I have a 2016 Tahoe and had the exact same problem a few months ago. The first dealer I went to told me "its normal and all Tahoes do it." That wasn't acceptable. I was not happy that a 70k vehicle squeaks and the dealer simply dismissed it. I even contacted GM, but did not get far. I...
  10. S

    2017 Denali fluttering when accelerating. VIDEO

    Any update on this? My 16 Tahoe is now making the exact same sound. Wondering if you have been able to get this fixed. Thanks in advance.

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