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    $18K Repair on 2010 Burb? Yup, it made sense.

    I agree 100% if you have a rust free platform to start with. Put in GM CERTA components and you have another 3yrs/100k on the most important part of the vehicle.
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    Diesel Question

    You can thank our glorious EPA for your sluggish response when the pedal gets mashed. Too much soot will be produced (EEk!!!!), so the calibration gives power at a rate deemed "clean." My brand new 2023 F450 work truck was the same way.........utterly pathetic if you needed to pass or get out...
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    2019 Yukon Build

    Your clattering under load is probably a small amount of detonation. You've changed the way the engine breathes relative to the calibration. Maybe run the next level fuel, or blend some E85 into the mix for higher octane.
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    2012 Hybrid Yukon Denali major issue. Need help from the experts

    As far as your problem, I've never worked on a hybrid Tahoe, but i would speculate based on what you mentioned that you had a transmission / electric drive motor failure. The whiplash you mentioned is probably from the regenerative system activating for some reason, putting undue stress on the...
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    2012 Hybrid Yukon Denali major issue. Need help from the experts

    Upload the video to YouTube and attach the link here.
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    Uneven tires

    I know the driver side tire on my 2008 yukon will rub the mudflap when cranked to the left. Doesn't happen on the RH side. Factory tire size. Not sure why either. Maybe with your bigger tires and rims it's more pronounced?
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    Uneven tires

    How about some pictures with wheels on to show what you are seeing. Need some reference points to view
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    2020 6.2L: misfires, lifter issues and engine replacement

    At this point, your cheaper options may work out the best due to the timeline. IF the engine is shot, you won't be doing any more damage than what's been done. Also, check out car-part.com as an option. They have a whole network of auto recyclers where you can get anything you need. Then...
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    AFM Disabler differences?

    I ran a RANGE device from 42k to about 155k before I bought HP Tuners and shut it off. It worked just fine for me. It's for sale if you're interested. I don't have a need for it anymore
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    2017 Yukon Denali Shudder Problem

    I'd check the fluid level. My wife explained a similar issue on our 8 speed with 162k. It ended up being a little low on fluid per my friend at the dealership. I ended up replacing the trans temp harness, filter, and fluid. Been fine since. Hoping for 200k out of it.
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    2013 Escalade ESV Annual Maintenance Update: the good, the bad, and the incompetent

    If you are ever considering upgrading, keep my info handy, I'll take itnoff your hands. We think alike on maintenance items! Nice thread, and updates.
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    What's the highest mileage AFM motor you've seen or own?

    Wow! That's some use! I thought I (we) put on the miles, but you put me to shame. LOL The proof is in the pudding......lots of miles and long stretches of running tearing up the road is what a vehicle likes. 6.2L I assume? What have you done as far as maintenance? Any issues with...
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    2024 Z71 mpg .. can it be this bad?

    Most engines are tuned to run richer during the break-in period. This helps seat the rings and keep excess heat at bay. Once that period is over (usually buried deep in the ECM with certain criteria that needs to be met), it will then run on your normally scheduled programming. Another thing...
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    2020 6.2L: misfires, lifter issues and engine replacement

    Listen to @the 18th letter this is a good, cheap, option. Aka: the Tennessee Tune-up as well. LOL 1. Change the oil and filter 2. Add approximately 1/2 quuart of Sea Foam, MMO, or ATF (Ratio is on the cans of Seafoam and MMO). 3. Let engine idle with new mixture until it gets warm 4. Run in...
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    2020 6.2L: misfires, lifter issues and engine replacement

    Holy crap! Oil filter every 20k????? REALLY?? Not trying to be mean, but come on man, you're down there anyways. This is probably the most worrysome post I've read in a long time. "I do my own maintenance every 5k, but NO filter." You dealership diagnosis of SLUDGE is 110% correct. That...
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    Talk to me about Rims...

    I would stick with what you got. You have 20" wheels. Your 21.5 is the outer face, not the diameter of the tire bead. For every 2 inch larger you go, the chittier the ride you get. I have 22 inch wheels and will be selling them this winter and sticking with 18 inch GM accessory...
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    2017 Yukon Denali Shudder Problem

    I like that color and wheel combo. Mine is white tri-coat with the double spoke 22 inch wheels. They are nice rigs. I've (mostly my wife) has enjoyed ours for 120+k. Good power, good mpg, and nice creature comforts. I hope you have many miles of good use!
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    2017 Yukon Denali Shudder Problem

    I have the exact same vehicle. I bought it with 41k and had the shudder at 43k. The fluid flush works magic. I now have 162k on it and it's been great. Make sure to keep the fluid changed every 40k. I usually change the filter every 80k. The fact that they offered to replace the TC is huge...
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    2015 and 2016 Escalade w/ 6.2 engines blown

    That is super ****** luck for sure. I do stand with @Doubeleive in that someone may be interested in them as they are and be willing to do the work if your family doesn't see the value in fixing them. If that's the case, throw out a suggestion here for PM about it. I have a 2017 Denali with...
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    Flashing engine light then no AFM cylinder deactivation

    If you want a RANGE device, I have one I don't use. PM me if interested.
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    Is my transmission talking to me?

    I'm going with a torque converter that is getting bad. If it has the original setup, it's probably got the thermostat foe the trans cooler lines that cooks the transmission and causes failures. @NickTransmissions
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    Is my transmission talking to me?

    What year, model, engine, and trans (4, 6, or 8 speed)?
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    will it fit?

    Yes it will fit. I think they are both 6 speeds. There is programming that will need to be done so the new one talks to your ECU
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    OEM parts on Amazon?

    I've had mixed success with Amazon on OEM stuff. Luckily the one I felt was a knockoff was a MAP sensor which didn't work, so it wasn't a big deal. Other items I've ordered have been OEM, or a very good knock off appearance as such. But, I usually stick to ROCK AUTO or Valleyparts.com. GM...
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    Parasitic Draw Question.

    It sounds like a back feed through the lighting circuit, or an issue with the multifunction switch. Have you tried disconnecting the head lights and see what happens over night?

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