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  1. Seamus

    Fuel quality at different stations

    I have found with this truck the 2 main factors that significantly affect fuel mileage is regens and a head wind. Have literally had the same issue and mileage always comes back....if no regen, and the wind is in my favor. Realize as your driving the road is bending and the wind is...
  2. Seamus

    Sharp Edges Under Hood

    Great idea, good stuff. There are alot of very sharp places under the hood on some of the stamped holes.
  3. Seamus

    Pricing vs MSRP

    Years ago I almost bought a hard to find Corvette Zo7 in California, I am in Florida. They had one of 2 in the country with that spec at the time. The dealer told me i could purchase and ship to Fla with no issue. BUT if i wanted to fly in and do the deal and drive home, I had to pay california...
  4. Seamus

    Tomorrow’s the big day

    Looking good!! Best of luck! A real highway hauler! I too only drove 300 miles on stock tires and immediately put on Michelin Defenders. Best tire on this truck, and adds to a wonderful ride. Great choice!
  5. Seamus

    New to me 2021 Yukon XL Denali

    Thats quite an upgrade!! I had a 2015 and 2017 Yukon XL Denali....the 2021 is leaps and bounds above those. Great ride, looking good, enjoy!!
  6. Seamus

    2015 Tahoe/Can I reuse AFM Lifter Guides?

    It is widely known to buy new ones and only use the GM ones. They are cheap. They also wear out a little nd the lifter can spin and wipe a cam. Cheap insurance, buy new GM ones. Many guys bought eBay Chinese lifter trays which are out of spec and wiped brand new cams. I just refreshed a motor...
  7. Seamus

    Finally! My yukon "Black Beauty"

    Thats a beautiful truck! Commanding appearance! Best of luck!
  8. Seamus

    New 2023 Yukon XL

    Beautiful!! Best of luck with it! Just need an open highway to conquer!!
  9. Seamus

    Whats the latest on lifters?

    Up to 2020 they only had 4 of the DOD or AFM type lifters. So mathematically your odds were lower to have an issue. I had a 2015 and a 2017 Yukon with no issues. But many people had no issues...because there were less issues. Since 2021 the new design has more of these lifters. More issues. It...
  10. Seamus

    Couple issues with 2023 Tahoe

    GM seats are terrible for many years. Had the same issue on several trucks brand new. Some are worse than others, they shim it with a kit. My current truck has had it since new but it is not bad enough that i want interaction with a dealer. Its very annoying on a brand new truck, quite ridiculous.
  11. Seamus

    2021 Or 2019/Independent rear suspension?

    2019 or 2020 have the 10 speed. Great trans. I had a 2017 Yukon Xl denali (same generation, but 8 speed trans) that was the boss when towing. Had the auto ride air shocks and was always level and towed great. The 2020 with 10 speed, solid rear axle is a great towing combo and alot cheaper than...
  12. Seamus

    Trading in my beautiful 2021 Denali for Mercedes Benz GLE 450

    We have the 9g also and its fantastic. Always in the right gear. 62k and we did the service recently. Ours is like a new truck at 62K, very different quality, but they have issues too. We havent had one issue in 62K! Having a hard time wrapping my head around 85k for a GM product that has this...
  13. Seamus

    2023 GMC Yukon Denali Ultimate with max trailering package

    The trailer views are programmed for when a trailer is plugged in. I have heard of aftermarket way to access these views but have no personal experience. I agree the side view is fantastic even when not trailering it would be great.
  14. Seamus

    I miss my 08 PPV, and want another one.

    Great truck, the LS based PPV was great. I love the LS motors not a fan of the LT motors having had a few, but do like the power and new features. Seats suck. I would try the 2015 and up, but do a delete if the PPV has the DOD lifters. Good luck.
  15. Seamus

    2021+ GMC Yukon Pricing vs. 2019 Pre-pandemic deals w/ snapshots

    Thanks Guys, because I thought it was just me. I can...but I wont. It has gotten to an offensive place. I have been a Gm guy my whole life. Always thought it was reasonable and good bang for the buck. I own and have owned alot of cars and high end vehicles. I think they did a great job with this...
  16. Seamus

    buying 23 suburban LS diesel maybe

    A Suburban or Yukon XL with the 3.0 is gold right now and a near impossible find. I am surprised it lasted 5 minutes. Anyone not getting good fuel mileage with a 3.0 either has a problem with their truck, or are driving like a gas vehicle lowering its fuel mileage. Have to be easy on the pedal...
  17. Seamus

    Any engine failures at 60K+ miles?

    It will fail at some point. We all knew that with the LS motors, and alot of us did preventive maintenance when the miles got up there or one failed. But there were only 4 in there and failure rate was lower. Seems with 16 of them the rate is just higher. Problem is it wasnt a problem to have a...
  18. Seamus

    Supercruise owners, thoughts?

    Totally agree. But usually when there is choice and when something is better it progresses. Nobody prefers steam powered cars or horses anymore, because they made a better mousetrap and it was a choice. People chose. But corporations today manipulate and restrict you into their choice. As stated...
  19. Seamus

    2021 Suburban HC - Lifters

    The more time that goes by and the more miles, it is quite prevalent. Yet some like to debate its not a big issue. It is. Sorry for your troubles, hope it goes well. make sure they replace all of them not just once side and the other goes when your out of warranty. Good luck
  20. Seamus

    Supercruise owners, thoughts?

    Spot on. The LKA is terrible in the new generation. I was shocked, because after owning the 2017 Yukon Denali it was a feature I had to have along with Adaptive cruise. It was alot better in the 2017 and is terrible in the 2021. Ping pong and then a miss and it goes off road. I didnt use it...
  21. Seamus

    Supercruise owners, thoughts?

    Adaptive cruise is great. Once you get used to it. I first had it on my 2015 or 2017 Yukon XL? and initially I hated it from a control point of view and not trusting it. There was no option to use adaptive or regular cruise as todays truck has that choice. Well......I eventually fell in love...
  22. Seamus

    Supercruise owners, thoughts?

    Your splitting hairs and have missed the point. Yes, you buy the phone and you pay to use someones network to make calls, and it has said features. If you want an app you pay for it. if it comes with the app at said price, they should not be charging 2 yrs later and making your phone have less...
  23. Seamus

    Supercruise owners, thoughts?

    Wrong. We pay for subscriptions for things we want that we dont have like Netflix. Its a service not a feature. We are paying for every option in this truck. They are mine, I paid for them. I agreed to them. Your premise is paying for "permission" to use what you already paid for and already...
  24. Seamus

    Anyone go last generation Esky to a new gen Denali?

    I hated that generation, seats were terrible. 2021 on up is a whole different truck. Rides beautiful. They did a great job with it, but presently they are still pricey as others are declining. Demand and supply still effect this generation.
  25. Seamus

    What options are/are not dealbreakers for you?

    ^^^ The Yukon XL/ suburban with the 3.0 properly optioned is not an easy find. There are plenty of pickups but the full size is a hard find. Then there are the market prices. If you found what you wanted a bird in the hand is the way to go. GM is a mess, the days of ordering what you want are...

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