gmt900

  1. hillstrubl

    Diff fluid change, which gaskets

    I'm trying to change my differential fluid, was going to use Synthetic 75W-90 for both (Yes I know the front technically calls for dino 80W-90), but the question of diff cover gaskets has left me scratching my head. How would a 2011 Tahoe LT 4WD have multiple choices as per RockAuto? I get that...
  2. Duce57

    Z55 Delete

    Just looking for some kind of help here. I am looking to buy a Belltech Lowering Kit for my 07 Yukon Denali and I want to delete the z55 air shocks. My question is, is it possible to use a scan tool such as a GM Tech II to program the vehicle and change the suspension rpo code in the bcm to make...
    • Duce57
    • Thread
    • 07-13 denali gmt900 programming suspension tech 2 z55
    • Replies: 7
    • Forum: Street Suspension
  3. D

    Quick fitment confirmation question (GMT900)

    Hello guys, just getting straight to the point so as not to waste any of your time, the donor vehicle is a 2007 Escalade ESV and the receiving vehicle is 2014 Chevy Suburban RWD LS. 1. Will the rear bumper fit? 2. Will the running boards fit? 3. Will the windshield fit? 4. Will the curtain...
  4. R

    Those Who Moved From an '07-14 to '15+ generation... How Was It?

    Curious to get owner thoughts for those who happened to move from the GMT900 platform ('07-14) up to the '15-'20 MY - what did you like better, or what was perhaps worse, in your view? Have any maintenance or DIY repairs been easier or harder for you on the 15+ gen comparatively? Did you hang...
  5. CruelJung

    IAT Always Reads 32°

    Earlier this year, I solved a cold start issue with my 2008 Yukon XL (5.3 LMG) by replacing my ECT sensor. I discovered a few other issues along the way to that fix and one of those issues is that my intake air temperature consistently reads 32°, regardless of environmental conditions or engine...
  6. D

    Eibach Front Springs Questions

    PREAMBLE: I am hoping to rebuild the entirety of my 235k Tahoe's suspension. I tossed in a 2" lower strut spacers, just to get the nose off the ground, and it was ugly under there. This seems to have been a well maintained truck, but 235k is 235k, so a lot needs refreshing. I already felt the...
  7. D

    Build Log: Down8's Tahoe Has a Nickname

    Yeah, I don't have a nickname for my truck, yet. It'll come. I'm going with Grayskull. It'll make more sense once I get my Jake logo on it somewhere. Before my next IMSA attendance. Anyway, it was suggested that I might make a build log for what I've done/will do to my Tahoe. At this point...
  8. denalilex

    re-rebuild findings - 310K mi. spark plug

    so as im sure a handful of you know - my gen 1 6L80 finally got tired enough to throw in the towel & so while i have taken on my first ever trans rebuild/overhaul - of which im taking an over abundance of caution with & patience with myself - i’ve also decided to tend to some parts that REALLY...
  9. doc5339

    Opinions on Selling Price Requested - 2011 GMC Yukon Denali AWD - Chapel Hill, North Carolina

    I don't have quite enough posts/time here on the forum to post in the classifieds. This is more of a reality check for me, so please chime in with your thoughts. Considering selling our 2011 GMC Yukon Denali AWD 177,314 miles and well maintained. mainly because it has no low range transfer case...
  10. B

    Rattle in the steering intermediate shaft? GMT900 NNBS

    The only results I found in searching pertained to older models. Just wondering if anyone has experienced a rattle or small clunking in the intermediate steering shaft on these? After I fixed all the significant rattles, like ball joints, I noticed a consistent slight rattle felt only in the...
  11. B

    Where did you source a new DASH?

    For those who have gone the OEM dash replacement route, where did you buy it? Locally, or was it shipped to you? Are they packaged to withstand handling by freight companies? Mine was already far gone when I bought the truck, and this task is getting close to the head of the queue. I’m not...
  12. B

    Replace A-arms complete vs. bushings only?

    I’ll be replacing all the front bushings for the A arms as well as the ball joints soon. Only 60k miles, but they were hard miles apparently. My question is, will there be any difference in performance or durability depending on whether I replace the control arms entirely with new OEM or Moog vs...
  13. ncalvo

    GMT800 / GMT900 Brakes (03 z71 tahoe)

    Hey everyone, I have been trying to figure out the best bang-for-buck braking upgrade. I have an 03 z71 Tahoe and I need to replace rotors/calipers/pads/lines, it makes sense to upgrade the front brakes to the better GMT900 setup, especially because it appears to be a simple swap. I'll be...

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