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Still vibrating at highway speed, disappointed with Suburban

Big Bopper

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Big Bopper Enthusiast

Big Bopper

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Posted

Just a notice if you are looking at one of these 2015 and newer Suburban/Tahoe vehicles. My 2015 Suburban with approx. 21000 miles has vibrated at highway speeds since new. Just like the pickup versions of this chassis. Two new tires, balancing and force grinding has not really ever made it right. I now have two of the tires with very little tread left because of this grinding process to true up the tires. This vehicle has pretty cheap leather seats and a bunch of low class trim. They've really cheapened up a lot of things in these newer versions it appears. I've owned 7 or 8 of the older models through the years in addition to some pickups (all new). This is a really disappointing 60k truck. I turned in a 2012 F150 crew cab when I leased this one and that truck rode better than this one. It also had the ecoboost engine that easily outperforms this 5.3l, especially with a trailer.

My lease will be up in about 6 months so my problem will be gone. Probably will be looking at an Expedition with the Ecoboost. GM's domination of this class of vehicle might end if this is representative of what they offer.

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    • newdude
      Me too……..

      By newdude · Posted

      The engine was done as part of the 6.2 recall?   You'd have to see if your VIN also has the 6.2 engine special coverage on it.  Coverage number is N252494003.  If you have this, your engine is covered under this and NOT the GM replacement part engine warranty which is 3yr/100k from the date of install.  The 3yr/100k mi warranty is in effect for non warranty purchases.     This is not any different if it was replaced under warranty without a recall or special coverage.  So if you had a 5.3 and it popped at 3 years in at 50,000mi during the 5yr/60k powertrain, the replacement engine would not get the 3yr/100k, and instead gets the remainder of the 5yr/60k as coverage.     So N252494003 gives 10 years or 150,000mi of coverage, which ever comes first, starting at the vehicle in service date.  So if your in service date is 01/01/2022, N252494003 gives you special coverage of the engine until 01/01/2032 or 150,000mi, whichever comes first.  So if your start date was 01/01/2022, you'd have left 5 years and 4 months (lets round to august 1st), or 62,000mi left of coverage.   So you need to know your in service date to know how much coverage is left.  
    • CamGTP
      Injector update

      By CamGTP · Posted

      Okiee dokie there bud, way to take things to the extreme.   I guess you missed the whole point and take things way to serious. I installed different EV6 style injectors that just so happen to be larger in my car running the same LQ4 engine and with a better spray pattern than the stock style injectors and I noticed no difference in the idle quality. Kinda was my round about way of saying that even if you put the same size but better style injectors in your truck, you will likely see the same thing.    I'm sure you're great to have conversations with in person if that's how you act through a keyboard. One little things sets you off and now I guess my dick is all up in your face.
    • richard wysong
      Injector update

      By richard wysong · Posted

      WoW
    • taze
      Me too……..

      By taze · Posted

      I can't believe that could possibly be the case. It should be 36mo/100k miles from installation. Then again, it also seems like since a dealership installed it, it'd all be in the system and you wouldn't need to worry about registering, either. Shows you what I know. 😄 Hope this one outlives the warranty!
    • asilverblazer
      The Peckish Synapse

      By asilverblazer · Posted

      I haven't seen inventory recovery from COVID.    In the few random times I 'build my own' truck or SUV, no one has the exact one I want.   GM has been working to lower incentives too for a long time.    A $500 incentive isn't getting me off the couch to go truck shopping.

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