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  1. Geotrash

    Towing

    Maybe so. But good knowledge of why the vehicle’s engineers set the towing parameters where they did, combined with good engineering knowledge and practice, can produce a modified vehicle capable of safely towing more than the original rated capacity. Keep in mind that the same frame and...
  2. Geotrash

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Yup. I believe it's the 2012+ Denalis that have Hill Start Assist (HSA).
  3. Geotrash

    Need opinions on keeping or moving on.

    It's almost always less expensive in the long run to repair an older vehicle that you've cared for than to buy a new one, if you can do the work yourself. If it's in good cosmetic shape and still meets your mission requirements, then the smart money is on repairing. Especially because yours is...
  4. Geotrash

    5.3 engine tick ONLY in Drive/Reverse

    Good news!! Thanks for following up!
  5. Geotrash

    Towing with 2021 Yukon Denali non-Max towing package

    I believe the only thing the max towing adds is the 'enhanced cooling radiator' for an extra 500 lbs of towing capacity. No idea what that is, exactly, because while the radiators have different part numbers, all of their physical dimensions and specs are the same. My guess is the difference...
  6. Geotrash

    Engine and gearbox swap from four speed to six or eight speed on 2008 Z71 ?

    Really, really cool to see. Our transmissions are enjoying peak aftermarket support, which benefits us in numerous ways.
  7. Geotrash

    Best Dash mat?

    No glare.
  8. Geotrash

    5.3 engine tick ONLY in Drive/Reverse

  9. Geotrash

    5.3 engine tick ONLY in Drive/Reverse

    Thought of that but it's too irregular and I had the EXACT same sound on my 2007. It was the starter. Common problem on these.
  10. Geotrash

    5.3 engine tick ONLY in Drive/Reverse

    It's in my post. The return spring fails and lets the drive gear tink against the flywheel. Yes. I'm betting it would solve the problem. If you can get a video from the pax side it would help confirm.
  11. Geotrash

    5.3 engine tick ONLY in Drive/Reverse

    That's either your starter or a cracked flex plate. On the starters the return spring fails and lets it tink against the flywheel. But it's louder on the pax side. When the flex plate cracks you get a similar sound but it's louder. I'm betting on the starter.
  12. Geotrash

    5.3 engine tick ONLY in Drive/Reverse

    You're in the 2007-2014 section so you might get better info in the previous gen section. That said, record a video on your phone, upload it to YouTube with public permissions and link it back here. We'll help you figure it out.
  13. Geotrash

    Best Dash mat?

    I have this one in my '07 and its been great! https://a.co/d/5fdCDeK
  14. Geotrash

    2008 tahoe 5.3l afm/dod delete issue

    Careful running it that way. It will kill the cats.
  15. Geotrash

    2008 tahoe 5.3l afm/dod delete issue

    I understand why you’re upset but your buddy tried to do the right thing, in my opinion. So I hope you can forgive him. If you’re anywhere near Richmond, VA, I have HPTuners and could disable VVT for you.
  16. Geotrash

    Tow button

    I tow a 5x10 cargo trailer sometimes, and a 7500 lb camper others. I use the tow/haul on the camper but not the cargo trailer unless it's loaded to its max at 3500. Then I find it helps. Main thing is you don't want that transmission hunting in/out of gears, or the TC coming in/out of lockup on...
  17. Geotrash

    LOWERED MAGRIDE ESCALADE

    I'm guessing what you mean by bumpstop procedure is the autoride calibration procedure. Requires a Tech2 or equivalent to perform. Front struts could be just disconnected or have dirty connectors. Check the connector on top of each one, remove and spray with electrical contact cleaner, then...
  18. Geotrash

    2017 Escalade/Denali L86 "requires" 93 octane - your experience?

    Yup. GM's own marketing confirms this. With the '07 Escalade the output of the L92 was 403hp and required premium fuel. The '07 Yukon Denali with the same L92 was rated at 380hp and premium fuel was 'recommended'. The difference? The dyno test was run on regular unleaded for the Denali's numbers...
  19. Geotrash

    A/C leak fixed system will not accept charge.

    James' guidance is correct. And there should be a yellow sticker you can double check against that lists the refrigerant capacity on the top radiator support under the hood. You're filling according to weight, and the pressures should correspond or there is a problem in the system. And yes, the...
  20. Geotrash

    Towing

    That's the thing - they don't need to because where the front of the bars mount beside the hitch ball pivots, allowing the bars to stay in fixed positions on the A-frame. The sway control acts on that pivot point. It's pretty slick.
  21. Geotrash

    Towing

    I'll add my name to the list of folks suggesting that you probably have too much hitch for that trailer. If it's helpful, this is the hitch I have (with the same 1000 lb. bars). The sway control is under the ball and you tighten the Allen bolt in the picture, which clamps down on the swivel with...
  22. Geotrash

    Towing

    I agree - good idea. eTrailer.com sells them for the Yukon.
  23. Geotrash

    Towing

    Hi Steve, I tow a 7500 lb camper with a 2012 Yukon XL Denali. I use a Camco Recurve R3 hitch with friction-based sway control. I get some mild-moderate sway in high winds and when being passed by a truck on the highway, but it's quite manageable and has never had me white-knuckling it. I find...
  24. Geotrash

    Need Advice on Engine Stumble

    FWIW, I've been running a Dorman throttle body on my '07 for the past 40K with no problems. Runs smooth and strong.
  25. Geotrash

    Fluid on back of engine

    ^^^This. Both of mine started leaking from this in the past few years, and it looks just like a rear main seal leak except that inside the bellhousing was dry. One of mine has the block off plate just above the oil filter and the other has oil cooler lines there. The block off plate itself warps...

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