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JohnTz

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  1. JohnTz
    I have it as well with the standard tips. Wonder if they sell the new tips on their own?
  2. JohnTz
    Do you have a link or picture of this tool?
  3. JohnTz
    My first oil change resulted in a huge oil spill in my garage floor that night as they didn’t tighten the filter and it leaked all over my garage floor. It was free but then again it wasn’t! Have been doing my own since. Easy on this tall truck. Now can someone explain more about the TPMS relearn? I can’t simply rotate my tires?
  4. JohnTz
    Same here on my 2020 AT4
  5. JohnTz
    I just tightened them.
  6. JohnTz
    I have the exact same thing on my 2020 AT4 with the sport exhaust. I went to the dealer and checked two other trucks and they had the same noise on startup. Goes away in a minute or so. Something quiets down after it heats up. No idea what it is.
  7. JohnTz
    Just checked mine. About 1 turn each bolt to tighten. Never had any problems but wanted to be proactive on this. Thanks for the heads up.
  8. JohnTz
    Guys is there a video or write up on this? Is this the big fuse block under the hood?
  9. JohnTz
    Normal.
  10. JohnTz
    I think it’s normal. Bumper needs to be level but the truck has rake. Mine is similar. Doesn’t show as much since it’s a dark color and hides the gap better.
  11. JohnTz
    That’s bull. They know about it and there is no fix other than changing the setting on the IPhone that locks out the side buttons for ringer volume. It’s a well known issue that all dealers are aware of.
  12. JohnTz
    My brother and I bought 2020 AT4s at the same time about a month ago. Great trucks. He had the exact same thing happen to him on Monday. The problem was that Both his kid left there laptops on and charging in his car for two days. They sucked down the battery enough that when under the load of the starter the voltage dropped low enough to screw up the startup procedure of many systems in the truck. He got a ton of low voltage codes and a check engine light and the trans was all screwed up and wouldn’t shift out of his garage. Put it in a charger overnight and everything was back to normal the next day. These new trucks are rolling computers. Any voltage issues will screw them up big time.
  13. JohnTz
    This is a great thread and super informative. Does anyone have some thoughts on why some small number of these leak but the vast majority do not? I am trying to see what the characteristics of a leaker are so I can proactively inspect my rear window for the fault that may cause a future leak and maybe be proactive with a fix to prevent a water disaster inside the truck?
  14. JohnTz
    I test drove the 5.3 vs the 6.2 since I wanted to see if the difference was worth the upgrade cost. No brainer. I don’t know the details of the trans or the gearing but it was a night and day difference between how the 2020 trucks accelerated. Total no brainer. I gladly paid the difference and got the 6.2 in my Sierra. In every way it felt stronger. It was the most apparent on the roll on but even from a dead start the 6.2 felt MUCH faster that the 5.3. I don’t care about the MPG difference. These are huge fat trucks after all.
  15. JohnTz
    Wow. That is super loud for a lifter collapse. I can’t imagine they gave that back to you “fixed”. Almost sounds like something is about to let loose in the engine. I would definitely ask for a new motor.
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