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  1. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    I had success by: 1) Photographing the vehicle in my garage, parking it, letting it sit, and measuring the drop at time intervals, and recording those w/ photos and a tape measure. 2) Assembling this info (including the photos) into a document and handing it to the service people at the dealer...
  2. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    You may be referring to the older "real leveling models" vs this four corner air suspension in the T1's. This design is different than the stuff that was on the previous models... The previous version had the shock and the air bladder integrated. This version has the "Air Spring" separate from...
  3. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Right, well, we do know it is in the rear. We also know that the compressor and the reservoirs hold pressure (because the system can raise the vehicle on key on, without the aid of the compressor running). So, at that point the possible leak points are, I think: Air springs themselves Fittings...
  4. WalleyeMikeIII

    Middle captains chair rattle

    I believe I have narrowed the center seat rattle to being the spring that is in the track mechanism for sliding forward and backward. I gently popped up all the plastic trim to expose it...it has a soft rubber/plastic "hose" that covers it, and that thing slides around on it, back and forth...
  5. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Isn’t that better than not?
  6. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Dealer just called, they said they noticed it drop a lot over the weekend. They ordered new rear shocks and are replacing them under the bumper to bumper warranty, parts will be there tomorrow, and should have it back to me Wednesday, or possibly late tomorrow.
  7. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Update: Dealer has had it all week, called Friday, said they do see it dropping a bit, it’s “right at spec.” The GM field rep is coming tomorrow for a different reason and they are going to show to him. They have a case open with the TAC, and shared all the photos and info I provided, as well...
  8. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Dropped it off this morning, they are letting it sit 72 hours and measuring every 24. Will update by end of week with findings.
  9. WalleyeMikeIII

    Is clicking from the front suspension normal?

    https://gmauthority.com/blog/2023/02/heres-why-your-chevy-tahoe-or-suburban-may-have-a-front-axle-clicking-noise/amp/ See also this thread: https://www.tahoeyukonforum.com/threads/ticking-clicking-sounds-from-left-front-wheel.146927/#post-1859001
  10. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Dealer is working w/ me on it, we are creating a plan where they will keep it, stored indoors (climate controlled), let it sit, and measure the sag in 24 hour increments for 72 hours. They are providing a loaner (Sierra) Which is totally acceptable to me. Probably will happen next week or week...
  11. WalleyeMikeIII

    Yukon Denali - Driver's side running board light not working

    One could argue it’s not lighting, it’s “running board operation”. If you have the GMEPP, I’d let the dealer try to get that approved for you.
  12. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Well, the dealer had it today for diagnosis. Was returned as “operating at designed.” The dealer returned a document from GM explaining the Air Suspension Operation. A pic of that document is attached. It says sag is normal to the tune of 2mm (0.08”) in 24 hours at constant temperature...
  13. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    I bought the air due to my frequent towing…and for that it’s great.
  14. WalleyeMikeIII

    Coming from Navigator...what should I buy? Denali Ultimate vs escalade??

    Hey Ninja, just cuirious, is there a difference in insurance cost between the two?
  15. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Pretty up to speed on most of the TSB's, there was one early in production for very cold climates...but my vehicle was built after the engineering change to resolve it. And, it is not a cold weather thing...has been plenty warm here...at least until today.
  16. WalleyeMikeIII

    Interior lighting not coming on when I.....

    You sure you didn't bump the dome light off override switch on the roof console?
  17. WalleyeMikeIII

    2022 Tahoe Automatic Emergency Braking

    I have had my reverse automatic braking go off a couple times backing out of my driveway...it got my attention... If you have the guts to do it, get on an interstate, set your adaptive cruise, and then exit behind someone else on the ramp and let your truck slow you to the stop behind the...
  18. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    It did leak down afte 3 days this weekend, so I may ask them to just keep it a few days and watch it. They are providing a loaner, so we will see. I documented the issue w/ photos as well...dealers around here are pretty decent, will see.
  19. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Tanks are aluminum. It’s warranty, so taking it to dealer. Hope the tech is motivated…
  20. WalleyeMikeIII

    Yukon Denali - Driver's side running board light not working

    If it s a 23 and you are less than 36k miles, take it to the dealer and let your warranty take care of it.
  21. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    Yes, there are air storage tanks for the 4 corner leveling system.
  22. WalleyeMikeIII

    Air Suspension Leak Down after Sitting 2 Weeks

    An Update, this weekend wife and I were out of town in her vehicle, so mine sat from Thursday about 5pm. Sunday around 6pm when I arrived back at my house, I noted again that the rear was lower than the front. This time I took out the tape measure and the camera. Sure enough, the rear was 2"...
  23. WalleyeMikeIII

    2024 Yukon Denali Diesel impressions

    The XLT trim has Intellibeam Auto High Beams, see here or your owners manual for how to enable. https://www.gmc.com/support/vehicle/dashboard-lights-signals/intellibeam-automatic-headlamp-control
  24. WalleyeMikeIII

    My 2023 Yukon Denali just dropped my phone from memory. The radio was replaced 2 months ago for a similar reason. Thoughts?

    Do you have the latest version of the radio software on your infotainment system? Do you have the latest version of Android OS on your phone? I suggest a forget of the AA and bluetooth paring on your phone, full restart of your phone, a delete of the BT pairing of your phone on your vehicle...
  25. WalleyeMikeIII

    Yukon SLT Fog Lights Setting

    Probably would have figured it out if it said "standard split" but it said "standard slit", missing the p, makes more sense now. That might be a way to do it, guessing the fog lights output from the lighting control module is high impedance if the fog lights are off.

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