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  1. 2

    2026 Tahoe with 6.2, im all good?

    This^^^^ Seems like oil shear after it's got some miles on it is a topic where everyone wants to whistle past the graveyard. I change the oil on my daughters 25 Equinox every 4k miles. Overkill? Perhaps, and it does not look that bad coming out of the pan, but it runs out of the pan like water.
  2. 2

    Do I wait for the 2027 MY to come out? Buy new now?

    Being on my third Yukon XL, swore up and down I would replace it with another XL. I am starting to lean towards a Sub for several reasons. Chevy is much better at letting you pick and choose certain options, for instance the trailer/tow package. With the Yukon you have to get either Super Cruise...
  3. 2

    New to Yukon world

    Welcome to the forum! Curious, is that a third party warranty? or is this the GM warranty?
  4. 2

    Do I wait for the 2027 MY to come out? Buy new now?

    The main issue with buying an existing model for me personally is that the odds are I will never find the exact color and option configuration I want. But that's on me because I have a very specific build in mind.
  5. 2

    Extended Warranty on 2026 Tahoe LS 4WD 5.3L

    It's honestly about to the point on anything put out these days, that folks like us who could trouble shoot about anything with a good diagnostic tool are only going to be able to do basic things like service work. Don't get me wrong, I enjoy things like oil changes, brake jobs and such, but I...
  6. 2

    Extended Warranty on 2026 Tahoe LS 4WD 5.3L

    True, but the warranty as I understand it is transferable. This may increase your trade in at a dealer but it's also an asset selling private party. If I pull the trigger on a new Yukon this year, I plan to drive it to at least 100k miles, and will purchase the GMMP plan to cover it until around...
  7. 2

    Do I wait for the 2027 MY to come out? Buy new now?

    I'm getting pretty close to pulling the trigger on a new Yukon XL, Elevation with a lot of goodies. This will be Yukon XL number 5 for me, and I've only ever had a 5.3 Yes, the 6.2 would be nice but frankly I just don't need a Denali, don't tow that heavy or often, and don't want to worry about...
  8. 2

    Front oil leak on a 2019 5.3L Tahoe

    It happens. Been there, done that. I had to bring my Yukon to a shop for the first time in over 25 years last week. Didn't have time or a spare vehicle like I normally do. FWIW, these trucks don't have a power steering pump like was mentioned earlier.
  9. 2

    Random lifter noise/#1 rocker arm

    I thought the same thing but it's gunky build up, just appears like shavings in that picture. My initial thought was that rocker was starving for oil but that is not the case.
  10. 2

    Random lifter noise/#1 rocker arm

    2017 Yukon XL--L83 Long story short, I did a delete back in April, probably around 10k miles on her now. BTR stage 1 cam with stock lifters, push rods. New bare heads that I assembled. CHP trunnion kits New OEM injectors UPR catch can Been running like a bunny since the day it was tuned. Fast...
  11. 2

    What oil are we running?

    Made the switch to Mobil 1 ESP on my '17 5.3 after I did the delete, currently at 154k miles and doesn't burn any between changes. My mpg actually increased, but I think part of that is the fact I had to have it tuned after the cam swap, and had it tuned for 91 octane so those savings are offset...
  12. 2

    Oil viscosity recommendation

    Exactly this. 0W20 is not that weight after it's sheared down over time, and these DI engines are already prone to some fuel dilution. I run Mobil 1 5W30 ESP in mine, and changed the fill cap to the same weight.
  13. 2

    Bass drum noise at 70mph coasting

    2004 would have a master spline, not? When I rebuilt the T case on my 07 (SLT) a few years ago before I sold it, the output shaft had one master spline. Or is the AWD a different design?
  14. 2

    GMPARTsGIANT Part issues

    The only thing I use this website for is looking up parts.
  15. 2

    2011 Yukon Denali 6L80

    That is not out of the ordinary for that era, and that is not that bad with 100* ambient temps. How is the fluid? These are easy to do a line flush right at the trans cooler, replaces all the fluid without dropping the pan. That said, I would only do that if I knew the filter was replaced at...
  16. 2

    Catch can hissing normal?

    I installed a UPR on my 2017 Yukon XL(L83) about a month ago after doing my delete and cam. I noticed a similar noise on hard accel as well, it almost reminds me of a very faint ex manifold gasket leaking. Not sure if that is caused by the separator device in the top of the assembly or what, but...
  17. 2

    BREAKING: GM is officially recalling the L87

    Funny you mention that. I ordered a different cap with the 5W30 and Mobil 1 across the middle after switching mine over to that weight. Two months later it's still on backorder, so it's very possible the vendor is behind. :)
  18. 2

    BREAKING: GM is officially recalling the L87

    Same engine regardless if you choose GMC or Chevy. The only difference I would see is any reviews you might read online of any dealers in your area. The process itself of testing, assuming it's done the same at any dealer, won't make a lick of difference where it is performed. Ask around if you...
  19. 2

    Anything except HP Tuners?

    Lew knows his stuff. I've got the Trinity 2 Ex Platinum that he did the custom tune for me after sending the logs. I bought it more for all the PIDS for monitoring stuff, but since I knew it was going to be a year before I did my delete and cam upgrade I just decided to go through him instead of...
  20. 2

    BREAKING: GM is officially recalling the L87

    A remote mic down there is going to pick up everything, and a bunch of stuff that might not be related. You are right by the rotating assembly where most of the noise will be. This is akin to using a stethoscope so everything is magnified. Can you post a video of what is sounds like, say, in the...
  21. 2

    Engine Misfire Mishap

    Wow that is some crazy fraying on that harness. I betting the tech did that trying to pry the rail out, but sometimes it can't be helped if the injectors are wedged in tight. I'm not surprised some may have broke coming out. Injectors on these engines can be a bear.
  22. 2

    Engine Misfire Mishap

    Initial suspect is likely your #6 injector.
  23. 2

    BREAKING: GM is officially recalling the L87

    Interesting, I did not know that. I've always been under the assumption this was the case, as with any warranty something might have remaining. Appreciate the clarification.
  24. 2

    BREAKING: GM is officially recalling the L87

    I was thinking the other day, as someone who likes to buy the occasional salvage vehicle as a hobby of sorts to repair, what the impact on these trucks will be for resale for the insurance companies at salvage auction, and even down the stream for the salvage reseller and the J6P that wants to...
  25. 2

    P0301 and 0300 Codes

    Glad to hear you got it done. I'm kind of in that same boat as you, rarely take anything to the dealer but at the half century mark getting up and down on a creeper often gets old in a hurry. One thing I found when I did my delete was that leaving the radiator out opened things up enough that I...

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