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  1. J

    HOW TO - Rear Differential Fluid Change (2021+ Yukon/Tahoe/Suburban)

    I wish the front was that easy. It took me a couple of hours, mostly scraping the gasket, to do the front axle.
  2. J

    2021 Yukon - No Key Found - No Start Condition (update 11/9)

    I thought I read that the stock battery is an AGM. I beleive any auto stop vehicle uses one. The 5th and 6th Gen Camaros used them also.
  3. J

    24' Maroon RST - lowered ??

    Leave the stock height and enjoy the fantastic ride.
  4. J

    S&B Cold Air Intake

    I just bought the K&N intake tube kit using the K&N filter in stock air box for my 2021 Suburban.. The stock set up is a cold air intake. I don't know how it could be made any different with the stock shutters in the grille.
  5. J

    RV Towing

    We have a 2021 Suburban with a 6.2, no air ride just magnetic and no max tow. We pull a Grand Design 22' MLE with a slide. It is approx. 5,270 lbs as delivered and probably 5,500-6,000 lbs. loaded. I use a weight distributing hitch and it pulls like a dream. I used to pull with a 2018 Colorado...
  6. J

    2021 5.3L Tahoe Alternator voltage?

    I am not sure how much bigger an alternator you would need, the order guide says the alternator is 220 amps.
  7. J

    DFM disabler released

    I have a 21 Suburban with a 6.2 and 76,000 miles, I hardly notice any noise and everything operates seemlessly. I am only interested in eliminating DFM because I plan to keep this vehicle for a very long time. I have only had it for 4 months now but I love it. I would like to make the sound a...
  8. J

    Transmission Holding Lower Gear After Moderate to Hard Acceleration

    Sorry, 2021 Suburban.
  9. J

    Transmission Holding Lower Gear After Moderate to Hard Acceleration

    I don't have air but the electronic shocks or magnaride, are supposed stiffen. This is from the owners manual for my 2012 Suburban: Sport Mode Use where road conditions or personal preference demand a more controlled response. When you enter this mode you will immediately feel a down shift. In...
  10. J

    Transmission Holding Lower Gear After Moderate to Hard Acceleration

    My 21 Suburban will do that but I put it in sport mode quite often. I like how the suspension stiffens and the shift points are a little more aggressive.
  11. J

    Used Escalade or New ‘25 Yukon /Tahoe/ Suburban?

    I bought a used 2021 Suburban High Country with 70,000 miles in June and it runs fantastic. I have other vehicles that use premium fuel so the price is not a concern. If the engine needs it, it needs it. It moves along pretty good for a 5,300 lb. 4WD drive vehicle. It pulls our travel trailer...
  12. J

    Magneride towing experiences

    My 2021 Suburban tows fantastic. We pull a Grand Design Imagine MLE 22. It has a slide and weighs around 5200 lbs. unloaded. The Suburban sits a little low in the back but it tows so well, I don't want to adjust it. It will pull at 80 mph, only tried it to see, I usually stay at the truck speed...
  13. J

    2023 Suburban Premier 5.3L 4WD - Observations and Questions

    I drive with my lights on all the time. There are too many people looking at their cell phones while driving and not seeing my big burgundy Suburban. I have no problem with the auto start on my Suburban. It works quite smoothly.
  14. J

    Does a 2024 Z51 with 6.2 require premium fuel?

    You might not notice a difference but the computer is probably pulling timing back, especially when the air temps get hot. If you don't run the recommended fuel, drive it like your grandmother. As been said by previous people, you probably won't hear it knocking, unless under a higher load, but...
  15. J

    Interior lights come on by walking close

    My 2021 Suburban does this also. It is supposed to with the proximity fob. You might be able to disable it but why?

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