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  1. JMH1980

    6L80 to 10L90 swap? Seeking insight on a 10 speed transmission upgrade

    For $7,500 I might just bite the bullet on that instead of having my 8L90E rebuilt, when the time comes.
  2. JMH1980

    6L80 to 10L90 swap? Seeking insight on a 10 speed transmission upgrade

    2nd this !!
  3. JMH1980

    was an ls engine ever available in this generation?

    From what I've gathered, the issues with AFM are directly related to maintenance. The maintenance schedule per manufacturer are 7,500 miles between oil changes. Also being a GDI engine, it produces a lot more carbon buildup on the valves. I've read many experiences that owners who keep oil...
  4. JMH1980

    Is my transmission talking to me?

    Any updates
  5. JMH1980

    Noise at slow deceleration 2016 XL Denali

    Good evening everyone. I have a noise coming from what feels like the front end at low speeds. It almost sounds like wheel/hub bearing growl, but it pulses. It's not constant. So I've jacked up each side of the front and did the standard ball joint and bearing diagnosis checks. All seems tight...
  6. JMH1980

    2017 Yukon Denali Shudder Problem

    There are some upgrades for the 6L80. From my research for my own transmission, an 8L90, I've found thG Transgo and Sonnax have kits for the GM platforms. Also recommended to upgrade the converter to a billet at the very least. Whether you keep it at the stock specs or increase the stall, is up...
  7. JMH1980

    2017 Yukon Denali Shudder Problem

    If you have a dipstick to check fl you I'd level, it's probably a 6L80 Transmission. The vehicle is going into a safety lock up because there are internal problems. I'm not an expert, but might be looking at a rebuild/replace situation, from what I've read on other threads.
  8. JMH1980

    Heater hose “T”

    Reviving this older thread... Does anyone know which specific part # would replace the plastic tees on a 2016 Yukon XL 6.2 ?
  9. JMH1980

    Remote Start Issues

    Good morning everyone. I have an issue with vehicles Alarm going off after using the Remote Start function. I start the vehicle and after 10 minutes when it shuts itself off, my alarm goes off. Any input on the situation is appreciated. Thanks.
  10. JMH1980

    2015 PPV Tahoe Misfires after Heavy Acceleration

    Fair enough... I've already had my lifters and camshaft replaced. Once warranty is over, its time for a BTR delete kit.
  11. JMH1980

    2015 PPV Tahoe Misfires after Heavy Acceleration

    Did you ever get this figured out ?
  12. JMH1980

    Lifter failure

    So your selling diagnostic tools ? Not really sure what this is about.
  13. JMH1980

    Lifter failure

    Complete drivetrain warranty I purchased through my CU. Once it's done, I will be doing the same thing.
  14. JMH1980

    Lifter failure

    Well it's done and back on the road. The dealer called the following Monday after drop off on that previous Thursday. They asked me for permission to transfer the Yukon to a GM service center, as they (not a GM dealership) weren't equipped to do the work. The invoice stated $7,000 in repairs...
  15. JMH1980

    Lifter failure

    Well it happened... Bought our Denali used with 75k miles on it. At 78k sounds like a passenger side AFM lifter "left the chat"..... It's back at the dealer. I'm sure they will do what's right (sarcasm inserted) and change out all the lifter on that side. Honestly, I can't wait till...
  16. JMH1980

    6.2/8L90 question

    Check engine light came on. Code P0711/P0700 temp sensor. What is the correct replacement part number please ? There is so much conflicting information about it online.
  17. JMH1980

    2016 Yukon XL Denali

    What'd that entail and cost to get repaired?
  18. JMH1980

    2016 Yukon XL Needs New Transmission - Not Happy

    Was it the complete transmission flush ?
  19. JMH1980

    A few new photos

    Our 2016 Yukon XL Denali. All shined up. So far it's been flawless. It does have a few dings and scratches, but what can you expect with a 7 year old used vehicle ?
  20. JMH1980

    2016 Yukon Denali cam shaft issue

    You would think so... These vehicles should be hitting 200k miles with no problem, as long as they've been properly maintained. I've got 76,*** on mine and am kinda worried about crossing that 100k mile threshold to be honest. Just going to vigilantly keep up on the maintenance and hope for...
  21. JMH1980

    2016 Yukon XL Denali

    This is our new/used XL. Just purchased last weekend. 76,839 miles on it. So far, it runs and drives flawlessly. I am in the process of getting detailed service records from GM. It did come with a Carfax, but it doesn't really lay out any specific details of what's been done. I have already...
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