Recent content by Tim907356

  1. Tim907356

    Transmission Stumble

    It's a 6L80E on the 2010.
  2. Tim907356

    Transmission Stumble

    This came from the LS-1Tech forum:
  3. Tim907356

    Transmission Stumble

    This is a 2010; to my knowledge there's no internal thermostat. It certainly doesn't work if it's there, as it ran at 80-95deg. on the last trip.
  4. Tim907356

    Transmission Stumble

    Bingo. The local transmission shop concurs as well. The thermostat is installed and ready for the 405mi. trek to Cincinnati tomorrow morning... And, which one of you is picking me up along the highway when it blows? ;) JK! Thanks for the help! Good to have experts around. Edit - it comes...
  5. Tim907356

    Transmission Stumble

    Well, after all the overheating was solved (a while ago,,,I know!) I just got back from Cincinatti, where the temps were 0-10deg. I came back during that snow event that shut down I-95, but cleanly, at least, down I-75. When I did the transmission cooler installation, I did not put the...
  6. Tim907356

    Weird smell when A/C is turned on

    I can see a Dorito stuck in my duct.
  7. Tim907356

    Aux Trans Cooler with Fan OPTIONS

    That's why we upgraded to the Denali aslo. We pull a 24' now, and want to upgrade to a ~30', probably around 9k. I was surprised to find issues with the tranny, as the 6sp was recommended for better towing than the 4sp in my 2004 Yukon XL, 5.3L. We put 20K worth of towing miles on that...
  8. Tim907356

    Tru-Cool Max 40k Transmission Cooler

    I hope you don't mind a post, but I just installed a TC 30K cooler, because it fit better between the beams, behind the lower grill. I left the rad. and external coolers in place, and plumbed it in series with the hose they provided; just cut the factory aluminum line and clamped the hose to...
  9. Tim907356

    Aux Trans Cooler with Fan OPTIONS

    I don’t have a problem with the hardware; the online shop I bought from was/is a nightmare; Five Star Transmissions. They messed up the order with flare! I took it to the shop to ha e diagnostics done and a filter change after the cooler install. They said the torque converter is going out. It...
  10. Tim907356

    Aux Trans Cooler with Fan OPTIONS

    I'll look at Circle D, but I'd rather avoid shared liability....no one will own anything if something goes wrong! True, if you consider that, "Top line out of the radiator is return to trans." omits that it flows through the cooler before the trans., which was the gist of my question.
  11. Tim907356

    Aux Trans Cooler with Fan OPTIONS

    I was hoping to keep it in the 130's, without towing. I know it'll increase on a heavy haul. It previously ran ~170-175F, but then up to 240 in the hills, with a 5000# trailer behind. I just got it out of service for a filter & fluid change. From the symptoms, the guy said the torque...
  12. Tim907356

    Transmission Stumble

    After the cooler install, I took it in for tranny service; change fluid/filter, and diagnosis. He said it all checked out fine. But then after some direct questions about the stumble, and overheating, he said the torque converter was going out; a common problem (at 130k??). He asked if I felt...
  13. Tim907356

    Aux Trans Cooler with Fan OPTIONS

    Yeah, this is uncanny timing. And good to see much of the same thinking on cooler/cooling mods. I had intended a TC 40k cooler, but the 30k barely fit between the chassis beams, so I'm glad I got what I got. I don't need a front tag in SC, so if more cooling is needed, I'll probably put a...
  14. Tim907356

    Aux Trans Cooler with Fan OPTIONS

    Well we are on parallel paths my friend! I have another thread on the same subject so I won't bore with the details found there: "Transmission Stumble". I am installing a Tru-Cool 30k auxiliary cooler inline with factory unit, behind the lower fascia. It will be passive though; no fans...
  15. Tim907356

    Transmission Stumble

    How do you know which transmission cooler line is the send line, and which is the return line???
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