Recent content by sealandsky

  1. sealandsky

    2019 Tahoe wiper blades?

    That's what I did and I bought a nice inventory of the GM style wipers. Note: My dealer also only offered the aftermarket blades, not the GM blades - WTF?
  2. sealandsky

    Transmission Issues

    Regarding your transmission - It sounds like you have the 8 speed and for that transmission, clunky downshifts are pretty much normal. Actually clunky behavior regularly or randomly is pretty much normal. You can check with your dealer for any service bulletins that may not have been...
  3. sealandsky

    2018 Yukon, tune to help trans?

    I would start with a transmission FLUSH, not just a fluid change. Also have the filter cleaned. Once that's done then move on to the tuning of the ECM and the TCM.
  4. sealandsky

    Harsh shifting and shift flaring (dealer wants to replace valve body) 2016 Escalade 113k miles

    Pretty standard for the 8 speed POS.
  5. sealandsky

    Door seal keeps coming off both sides 2015 Yukon

    Yes - Very good "forever" stuff.
  6. sealandsky

    What year would you avoid in a Tahoe or Yukon?

    In my case the issue started out on a cold day, a couple days after going through a car wash. I pressed the button on the left rear passenger door to open it and place my work back pack inside. This button is the most often used for this reason. In this particular case I felt the button sort of...
  7. sealandsky

    Door seal keeps coming off both sides 2015 Yukon

    Yeah, I had the same problem on my 2019 Yukon almost since new. While under warranty I had the dealer re-attach it every time I was in for service. Finally outside of warranty period I paid for a new one to be installed. My sense is that it was mis-installed when the vehicle was built and the...
  8. sealandsky

    Front 4wd noise under acceleration

    I'm curious as to how often you are driving around in 4 auto mode? And for that matter - under what conditions are you driving in 4H?
  9. sealandsky

    Settings Reset/Dead. Battery?

    Did you ever get your issue resolved? I'm just seeing this post, but it certainly sounds to me like a connectivity issue and most likely a grounding issue. Check the ground to the BCM as well as your terminal connections both on the battery side and the chassis side. Also, your ECM ground as...
  10. sealandsky

    What year would you avoid in a Tahoe or Yukon?

    Regarding your issue with continuous electrical drain, I had the same issue on my 2019 Yukon. In my case it turned out to be one of the passive entry door handle buttons "sticking" in intermittently (more often in cold weather). When the button was stuck, it would drain the battery dead between...
  11. sealandsky

    Need Engine Troubleshooting Help!

    Hello brain trust - Today I decided to perform my twice per year top engine cleaning. I disconnect the battery, replace the air filter, clean the MAF, remove and clean the throttle body and then spray a can of CRC turbo and valve cleaner through the engine. I got to the part of reconnecting the...
  12. sealandsky

    Kooks LT Headers

    Do you still have the Kooks headers for sale?
  13. sealandsky

    Supercharger for towing

    a
  14. sealandsky

    "Hot" Side Unboxing - Twin Turbo Install

    You are a wealth of information! Thank you for the deep dive, looks like I have some work ahead!
  15. sealandsky

    Battery low issue

    You don't state your geographic location, but here in Minnesota I've nothing but headaches with my battery going dead in colder weather. The cause? The passive entry buttons on the door handles collect moisture from either rain (on a warmer day) or the car wash. Then it gets cold and the passive...
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