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  1. Geotrash

    2009 Yukon Denali worth

    That's for the 5.3L. The L92, L9H, and L94 (all 2007+ 6.2L truck motors) had VVT from the factory.
  2. Geotrash

    Getting spare parts - front differential, transfer case and rear end

    The AWD places less strain on the rear differential than the part time 4WD rigs do, so they tend to last longer. I just turned over 247K on my '07 XL Denali and it has the original front and rear diffs and transfer case. The transfer case chain is the only part that needs attention right now due...
  3. Geotrash

    I Need Learning On Slip Yoke

    No matter 4L60 or 4L80 for this - they both have a seal there and a breather hole in the yoke. Unfortunately not. You'll need the o-ring. That said, it should only leak if it's parked facing uphill, so there's that. You can just keep an eye on the transmission fluid and add when needed.
  4. Geotrash

    Want to take my 2010 Yukon XL Denali with 180,000 miles for a family trip from Michigan To Florida - Can you help me make this a success!

    The Tech2 will also let you isolate the problem component, if there is one. My money is on 1/ the trim reset, and then 2/ a loose connector. I’ve needed to use electrical contact cleaner to get the service suspension message to go away after removing the connectors from one of my front shocks.
  5. Geotrash

    I Need Learning On Slip Yoke

    Welcome to the forum! Fairly common issue with the 4L80E. There's a weep hole in the yoke that relieves pressure as the driveshaft moves in and out over bumps and such. If the transmission tail shaft o-ring is leaking, on the yoke is where you'll see it. More info here, though it shows a 700R4...
  6. Geotrash

    Transfer Case Vibration video - BW4485

    Interesting video. It's hard to separate the camera shake from the TC shake. Also sounds like driveshaft imbalance + bearing runout could be the cause there, but without video of the driveshafts it's hard to say.
  7. Geotrash

    2017 Head up Display(HUD) Install

    If you still have it all, would you mind PM-ing me with a price?
  8. Geotrash

    2015 AC Only Cold When Driving

    Had a similar problem with another vehicle a couple of years ago. Turned out to be low on refrigerant. I used the gauges James shows above to determine the pressures I was seeing vs what I should be seeing at the current ambient temps outside per the standard r134a tables widely available. I was...
  9. Geotrash

    Tech 2 scanner vs Autel

    Essentially none. You can do things like reset the ALC, run the brake bleed routine, etc, but no settings programming that I know of, and no engine or transmission tuning.
  10. Geotrash

    2016 Yukon XL repairs for 100k miles

    Sounds like a solid plan. Coolant recovery tank leaks are common in that spot. Your hypothesis on the rear air shocks sounds plausible. Post a pic of the rear end "seep" and we can advise from there.
  11. Geotrash

    2016 Tahoe LTZ Beverage Cooler Button

    Yes, cooled cupholders were an option, and could be installed by the dealer. Check the fuse first and the relay second.
  12. Geotrash

    Grinding issues when starting

    +1. Could be missing a tooth or two on the flex plate.
  13. Geotrash

    Chevrolet Suburban 3500 Questions

    From what I've read, the valving for the Yellow (4600 HD series) and the Aluminum (5100) is the same but the 5100 series are longer and technically are for lifted trucks.
  14. Geotrash

    Chevrolet Suburban 3500 Questions

    I'm going to look into towing mirrors too, but these have been fine for me so far. I snagged them from my 2012 and they fit perfectly. Might be a good short-term solution: https://a.co/d/gK9NbOz Also, @intheburbs mentioned to me in a PM that the Billstien 4600s are the ones he runs on his 2500...
  15. Geotrash

    Chevrolet Suburban 3500 Questions

    Circling back on this to answer your question. So far, for my purposes of towing a camper, the 4.10 gears are absolutely perfect. And unloaded, I'm besting the fuel economy on my Denali's by 2-3 MPG in mixed driving. Didn't see that coming.
  16. Geotrash

    Chevrolet Suburban 3500 Questions

    Glad you had a great trip. Let me know what you learn, please! How many miles on yours now? I don't think you mentioned how many miles it had when you bought it. I'm asking because I'm wondering if the ride you're experiencing is mileage related, or if that's just how they are. Mine rides...
  17. Geotrash

    Solved--Rough ride after 2/4 Belltech kit, please Help!

    Love to see a pic of the finished ride!
  18. Geotrash

    Chevrolet Suburban 3500 Questions

    Well, as expected, she is living in the garage and going weeks between drives. Next week she goes to North Carolina for a camping trip. I put a battery tender on it and actually dropped the coin for a dual charger before realizing that I don't need it and a single charger on the battery by the...
  19. Geotrash

    GM Tech2 is a versatile diagnostic scanner

    Looks like we have a generative AI bot in our midst!
  20. Geotrash

    Oil pan secondary valve

    He installed one from Roger Vinci that I sent him because Roger warrantied it for me. Interestingly, I had initially installed the same cam in my 2012 but it failed within 50 miles due to aftermarket lifter trays (that were sold to me as OEM), which caused the lifters to turn on the cam at...
  21. Geotrash

    Cat Back

    Sounds great! Not too different from a Denali.
  22. Geotrash

    Replace 31 gallon tank with 39 gallon tank from 2500 series Suburban?

    I used to have a BMW diesel that would go 650 on a tank. Never made it that far because it exceeded my bladder range. But I used to drive Boston to Denver and back fairly often, and it was 3 fuel stops and less than $200 in diesel, and I’d arrive home in Denver with almost a full tank.
  23. Geotrash

    2009 Yukon Denali worth

    Ah, I was actually thinking of another bloke with a Tahoe, but you’re right, those are your words and I’m sorry for the misattribution.
  24. Geotrash

    Big Project Tomorrow

    If the TC was replaced (likely), then you’re good.
  25. Geotrash

    Is This Camshaft Reusable? Or Too Pitted?

    This. You’re getting rid of the problem system.

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