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  1. DaveO9

    SOLVED: Troubleshooting 2013 rear park assist

    That's what I thought too, but new harness didn't solve it. I still get a "short to battery" message for sensors 2,3,4, but not 1. I may go back to my old sensors for a next step. I only have three, but I can at least see if replacing one removes a code. If that doesn't solve it, my guess is...
  2. DaveO9

    How can you afford the cost of a new SUV?

    I'm always wondering about this question when I'm driving. See a young family driving an $80k or even $100k SUV, and my thoughts immediately go to "how do they do that?" I'm guessing for many it's a $1k car payment or 96 month financing. I've had just one new car in my life, a '97 Ford Ranger...
  3. DaveO9

    In what situations have you used 4L/4Low?

    I have to back a trailer up a hill on a loose surface on my property occasionally - 4-lo really comes in handy for that! Other than that it's great for crawling around on rough, narrow, and/or steep dirt roads. A lot of the lesser-used Forest Service roads around here suffer from lack of...
  4. DaveO9

    SOLVED: Troubleshooting 2013 rear park assist

    Yep, I agree. Harness on order. It’s back to giving me the message upon start up now. I’ll post an update after I install it.
  5. DaveO9

    SOLVED: Troubleshooting 2013 rear park assist

    Short story: I have always gotten a "service park assist message" since I've owned the rig (sept this year) but after replacing sensors, and more recently, taking the bumper off a second time and inspecting the wiring harness, it seems to be working as it should. Perhaps I will just live with...
  6. DaveO9

    TPMS Relearn Problems

    I tried two different batteries and used a battery tester beforehand to make sure they were strong. Not sure what’s wrong with mine - your good experience is representative of reviews on Amazon. 4.5 stars. Oh well, I’m good for a while until it’s time to rotate. Thanks
  7. DaveO9

    TPMS Relearn Problems

    Thanks, I've been forgetting to update my profile - I have a 2013 LT now instead of 2009 LS that my sig mentions. (2009 is no more after a roll over accident) Profile and sig now updated. But this is the tool I tried using...
  8. DaveO9

    TPMS Relearn Problems

    I recently discovered my sensors were not mapped to the correct positions, so I bought one of the el cheapo Amazon relearn tools. I've spent a couple hours with it trying to get it to work. Out of many attempts, I've gotten it to to trigger a single sensor twice. I got frustrated after trying...
  9. DaveO9

    TPMS reset scanner

    I am going through this now so here is one of the el cheapos I would NOT recommend: https://www.amazon.com/dp/B072BK693N?psc=1&ref=ppx_yo2ov_dt_b_product_details I discovered my sensors were not mapped to the correct positions, so I purchased this number. I've spent a couple hours with it...
  10. DaveO9

    Got my Tune On!

    Thanks for the info. I'll start researching the 3.73 option. On other threads I've seen that there's also a possibility of upgrading the rear end to a 14 bolt semi-float that came in 2wd Esky's and Denalis, but it sounds like 3.73 wasn't an option for those - I'd have to change out ring and...
  11. DaveO9

    Got my Tune On!

    Ah, that explains it. Understood and that makes me feel much better. Yeah, the tuner told me on some of these changes, "now you're the manager of this system, instead of GM." Thanks for the clarification. Sounds fun and I'd consider it, but I'm actually going the other way - I want to get...
  12. DaveO9

    Got my Tune On!

    Took it to the local tuner here in Vancouver, WA I've used for years. Old School EFI - he's big in the OBD I world, but also does a great job with the newer stuff, too. GM only. Did minor mods to both ECM and TCM. ECM: - DOD off - Axle protection via spark and via ETC off - Tip-In...
  13. DaveO9

    Looking for feedback direction on Tech 2 clone purchase

    Thank you! I think it's going to be worth the investment. Also have a 2012 Cruze in the family.
  14. DaveO9

    Anyone have any experience with Paradox Mufflers?

    https://paradoxmuffler.com/ Their no-drone technology definitely has me intrigued. I'm looking to upgrade stock exhaust on my 2013 5.3, but will run far away from anything that has the least threat of causing drone. I had a single Magnaflow and resonator delete on my '09 5.3 - had great...
  15. DaveO9

    Looking for feedback direction on Tech 2 clone purchase

    I'm pretty sure I'll pull the trigger on a Tech 2 here in the next week or two. A few questions 1. I want to do a re-gear from 3.08 to 3.42 or 3.73 within the next year - would the Tech 2 be able to do the recalibration? 2. I replaced my rear park assist sensors, but I'm still getting a...
  16. DaveO9

    Correct Tru-Cool 40k Trans cooler

    No, my Tahoe started out life as a rental car: no aux trans cooler, no oil cooler, single-speed t-case, and 3.08 gears. :-( I plan to rectify all of those eventually, but some, especially axles will take a while. Starting with the t-case, have all the parts now. Then aux trans cooler. I've...
  17. DaveO9

    Correct Tru-Cool 40k Trans cooler

    Thanks, Dave. Yeah I saw the thread where you added the Derale. Did you end up mounting it at the lower grille on your Yukon? Tahoes don't have that grille, so where would the recommended mounting location be for mine? I still may just go with the Tru-Cool after making sure it does have an...
  18. DaveO9

    Correct Tru-Cool 40k Trans cooler

    I bought the Tru-Cool Max LPD 47391 trans cooler, without thermal bypass. Hindsight, I'm thinking I should have bought the 4739 with bypass? I live in Vancouver, WA (weather same as Portland, OR) but I do use it for some cold weather / snow activities. Should I send the 47391 one back and get...
  19. DaveO9

    Ignition-hot source from a fuse?

    My original post was for my 2009, but I just finished doing some similar stuff in my ‘13 (aux lights). I did things differently this time. I have my light switches in the overhead console and ran all wires to those switches on PS. Junction panel on PS door jamb had both the always-hot and...
  20. DaveO9

    HomeLink vs Lear CAR2U

    I got it to work, with a caveat. I had to purchase the HomeLink repeater that I mentioned in my first post. $39, Amazon. Once I installed that it worked. One other drawback. The Tahoe is parked in my shop - it has the newer craftsman opener, the one that I had to buy the repeater for. But...
  21. DaveO9

    GM 6L80 Transmission Information Thread

    Thanks much, Nick! You are very generous with your time in answering questions like mine. I will definitely be keeping your advice in mind. Fortunately I am not in a big hurry since everything is running fine, knock on wood. Unless that changes, I probably won't be doing much on this till...
  22. DaveO9

    GM 6L80 Transmission Information Thread

    Thank you, Nick. Mine is 4wd, but the trans removal doesn't scare me too much. I pulled the 4L80e from my 91 burb without too much trouble. Have one of those scissor lift style trans jacks from HF. Getting the y-pipe out of the way may be the most challenging part. The shop quoted me a...
  23. DaveO9

    GM 6L80 Transmission Information Thread

    Similar questions here, too. My '13 has 197k on it. Transmission shifts fine, no issues at all, but my plan is (was?) to do a preemptive torque replacement/upgrade, pan drop, and probably put a Sonnax zip kit in it. But today I called a local trans shop with a good rep (I've had work done...
  24. DaveO9

    SOLVED: What is this noise? Torque converter?

    New starter is in - starts great and no noise from takeoff or when parked facing uphill. The pinion gear in the starter was definitely the problem. It slides back and forth with no resistance whatsoever. Flex plate looked OK from what I could see. New plugs and wires done at same time...
  25. DaveO9

    Spark plug debate - 2013 5.3 LMG

    Iridium plugs and Delco wires finally came from RA on Friday. Got everything replaced and buttoned up this weekend - running good now.

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