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  1. Bigmanny

    6.2 cargo area whistle noise

    Ok. GM engineering team engaged my service guys on this yesterday. The 6.2 has 2 resonators just before the exhaust tips. The passenger resonator is deffective not packed properly or baffle problem. They mentioned that they are started to see some cases on this and the fix is to replace the...
  2. Bigmanny

    Service Safety Restraint System error

    This is starting to get some attention in other forms as well as GM Authority https://gmauthority.com/blog/2020/09/2021-chevy-tahoe-suburban-owners-experience-issues-with-underseat-wiring/ https://www.gm-trucks.com/forums/topic/243641-2021-tahoe-lemon/
  3. Bigmanny

    Service Safety Restraint System error

    They ripped my seat cover as well. My truck is finally done. I will post back once I pick it up.
  4. Bigmanny

    2021 transmission 1-2 shift

    I have not noticed it yet, but I came from the 2016 with the 8 speed transmission. Some of you may recall how harsh that was and I had to have the old fluid flush twice. GM replaced that with the 9 speed I think in 2018.
  5. Bigmanny

    Service Safety Restraint System error

    I have had similar situation as you . This is my 3rd trip. They have Now had my truck for 11 days doing the new airbag and connector. Had a problem with the seat (zipper) and now waiting on that is well. I have owned the vehicle since July 28 and it has been in the shop for 14 of those...
  6. Bigmanny

    Service Safety Restraint System error

    Tape did not work for Me. Told that they are replacing the airbag module and connector in the driver seat. I should have the car back tomorrow.
  7. Bigmanny

    Suitcase muffler delete/replacement

    Looks like the Caddy is getting the OEM Performance exhaust and the OEM CAI. my guess is that this should fit the 6.2 on the Tahoe / Yukon as well. It is only available as a package at the moment and not an accessory add on and stupid $$$.
  8. Bigmanny

    So, what’s the verdict of the 21’s so far

    I have heard that the Lincoln Navigator HUD works with polarized shades. The HUD is really nice in this Truck I just cant see it as I typically only wear polarized glasses. Also, I could not get homelink to work in this vehicle. Worked great in my 16 Yukon. To be fair my wife has 20 Lexus...
  9. Bigmanny

    Crossbars?

    I was going to order them from the accessory site , but $499 seems steep for crossbars (My wife Lexus they are like $200). I think that I paid $175 for the factory crossbars on my 16 Yukon. May just wait for Thule.
  10. Bigmanny

    Question for those that have the Rear Media/Entertainment Package...

    I ran a Roku in my 2016 Denali for 3 years without issues. Well that is until one of the kids kicked the cord/port and the connection was a bit touchy after that. I had bigger issues with the wifi being complete shit.
  11. Bigmanny

    Service Safety Restraint System error

    Mine is now in for the Mine is now in for the 3rd time for this. Pretty sure that just reseating the connection will not be enough.
  12. Bigmanny

    6.2 cargo area whistle noise

    So this is thing is really strange. the sound that I get is like reverb or high pitched moan. It happens when I get on throttle a little bit at low speeds, not pedal to the floor. I do not notice it on the highway. it comes from the back right of the vehicle. I really feel like it is related...
  13. Bigmanny

    Service Safety Restraint System error

    I will call my dealership tomorrow with this info and post back. Mine is getting bad, it happened a dozen times on a 2 mile trip today and pretty much happens every time that i get in the car multiple times.
  14. Bigmanny

    Service Safety Restraint System error

    FYI. I have had mine to the dealer twice and the problem went away for a week or so in both instances.
  15. Bigmanny

    So, what’s the verdict of the 21’s so far

    Ok. So a I love my truck. Had a 2016 Yukon Denali that was loaded with issues, but I also really enjoyed that vehicle for hauling my kids around. That thing had a Terrible transmission, super harsh ride, and too many tech issues to list. The new ride is a 2021 High Country and have put 2200...
  16. Bigmanny

    Finally got my rear entertainment...

    I have the nav, but wireless CarPlay is going to make in car systems obsolete. It is a Shame that that interface is so unappealing.
  17. Bigmanny

    Wifi connectivity

    My speed has been better compared to my 16 Yukon as my kids are not complaining. The wifi in that vehicle barely worked.
  18. Bigmanny

    Service Safety Restraint System error

    Make sure that you log it with your dealer. it appears that this may impacting a bunch of us. I just had it happen 10 times on 2 mile ride. My dealer is also about 80 miles RT and I have already been there twice for this issue. Mike
  19. Bigmanny

    Service Safety Restraint System error

    I am going to call GM tomorrow. Even it is just a sensor it is connected to airbag. I don't know what airbag and travel daily with my kids, so kind of unacceptable. I do understand that the dealers are running blind on this stuff right now with so few vehicles out there / 1st model...
  20. Bigmanny

    Wifi connectivity

    I had to I had to call I star and have them enable the setting.
  21. Bigmanny

    Service Safety Restraint System error

    Mine came back.
  22. Bigmanny

    Fog Lights?

    I may try and get up under there tomorrow. The whole front end has a large plastic panel under the bumper. It will need removed to have any idea what can be done. Might be able to cut in some small round/ square led fog or something like this...
  23. Bigmanny

    Suitcase muffler delete/replacement

    sounds good. any highway dam drone noticeable yet?
  24. Bigmanny

    6.2 cargo area whistle noise

    Any time that I get on the throttle from slow speeds. I am getting a whistle from the rear cargo area. I can recreate almost every time. Not a drone and not buffeting like previous gen. turn radio off and get on the throttle a bit from low speeds. Seems like it comes from back right...
  25. Bigmanny

    Suitcase muffler delete/replacement

    Hey bud what is what with that resonator at the back? mine has one on each side.

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