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  1. Dadnali68

    2011 Yukon XL Denali torque converter shudder. Initial thoughts and questions

    Update: My final answer is that I'm doing... nothing. Truck is starting to fall apart little by little. Mechanic thinks the frame only has a few years left before it breaks. NY rust will kill it quicker than I had hoped. I had my mechanic do a trans flush. Made the symptoms almost disappear. I'm...
  2. Dadnali68

    New Badges for Military Service Members, LEO, FireFighters and EMT

    Thank you! And thank you to everyone here for their service.
  3. Dadnali68

    New Badges for Military Service Members, LEO, FireFighters and EMT

    Hello, These are sweet! Currently a volunteer firefighter. Would like the badge. Thank you!
  4. Dadnali68

    2011 Yukon XL Denali torque converter shudder. Initial thoughts and questions

    Hi all, My 2011 Denali XL AWD is having some issues, and I believe its converter shudder. -vibrates and rpms fluctuate by about 200 every time. -only happens cold. -only happens in higher gears, 5th and 6th. -Trans itself is still very smooth shifting. Here's where I'm looking for...
  5. Dadnali68

    2011 Yukon XL - Hot while towing, fluctuating oil pressure, general weirdness.

    I purchased a Hayden cooler and their respective fitting adapter. Last I knew it was in a box in my parents garage. No plans to do anything about it anytime soon, towing season is over. However if I ever had to replace the radiator I would probably add this in as a "might as well since I'm here...
  6. Dadnali68

    2011 Yukon XL - Hot while towing, fluctuating oil pressure, general weirdness.

    Oops yeah got that backwards.
  7. Dadnali68

    2011 Yukon XL - Hot while towing, fluctuating oil pressure, general weirdness.

    Full synthetic valvoline 5W-30 every 4-5k. Motor still has AFM/DOD. I actually have an external trans cooler and the special fitting that goes into GM radiators. Bought it years ago for my 07 silverado but sold the truck before I installed the upgrades. Would be interested to learn about the...
  8. Dadnali68

    2011 Yukon XL - Hot while towing, fluctuating oil pressure, general weirdness.

    I do the same, watch trans temp like a hawk when towing. Never went over 235. 50k seems reasonable. Truck only gets like 8k a year so that'll be a while (I work from home). Should also add that the camper is my parents and I use it 2-3 times a year, never driven more than 200 miles from home at...
  9. Dadnali68

    2011 Yukon XL - Hot while towing, fluctuating oil pressure, general weirdness.

    Hello all, I've got a 2011 Yukon XL Denali. Had it for about a year, has about 170K on it. Truck has been a blast! Comfortable, smooth, affordable, and fairly easy to work on. It's a GM truck after all! I've had to do a lot to it. Upper and lower control arms, front brakes, calipers and...
  10. Dadnali68

    Intermittent starting issue 2011 Yukon XL Denali [SOLVED]

    Issue resolved so far! Starter relay in fuse box. Replaced it a few weeks ago no issues. Need to figure out how to change title to resolved. Will be writing a new thread shortly about things I've noticed about this truck in the year I've owned it, especially some funky stuff it does while...
  11. Dadnali68

    Intermittent starting issue 2011 Yukon XL Denali [SOLVED]

    Issue returned. Turn the key and it doesn't start. Typically have to cycle the key for 30 to 90 seconds to get it to start. No other issues. Gage cluster comes alive, radio turns on. Just no start. Going to start with the starter relay. I've have a few other relays go bad (pcm, headlights, ac)...
  12. Dadnali68

    Driver side heated seat not working

    I found them. KB6 code.
  13. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    Should I ever be cursed with a "next time" I'll invest in some good blades!
  14. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    Probably should have. I used a grinder with cutting wheel. Had to keep finding new angles to get it to cut.
  15. Dadnali68

    Driver side heated seat not working

    I looked in the glove box for the RPO codes and couldn't find them. Are they in a different spot or am I just missing them?
  16. Dadnali68

    Driver side heated seat not working

    I was wondering if my truck had the TEDs unit instead of the heat pad. Where is this unit located in the seat so I can check?
  17. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    Project update: I have been spending two or three hours every night for the last eight or so nights working on this truck after we put our son to bed. I went with Moog upper and lowers. Lower hardware all came out so its getting cleaned up and reinstalled. Upper I went with OE equivalent from...
  18. Dadnali68

    Driver side heated seat not working

    Here's what I was sent if anyone knows what's going on here.
  19. Dadnali68

    Driver side heated seat not working

    Update on this project. Took the seat out, sent it to a guy to have him do the upper heat pad. Purchased part number 20792749 and thought it was smooth sailing. Guy calls me today and says my seat has no upper heat pad... I'm not really sure how that's possible. What is he missing, what am I...
  20. Dadnali68

    Driver side heated seat not working

    That's what I figured. I'm going to park the truck this spring to do some work to it. When I do I'll pull the seat and dig into it myself. I found some good how to videos on YouTube.
  21. Dadnali68

    Driver side heated seat not working

    Hello! So I'm having an issue with just my driver side heated seat. Vehicle is a 2011 Yukon XL Denali. I replaced the pigtail tail and relay under the passenger seat. Still nothing. I can hear the relay click, the lights on the door stay on, but no heat. Shop I took it to found a difference in...
  22. Dadnali68

    Intermittent starting issue 2011 Yukon XL Denali [SOLVED]

    Excellent man thank you!
  23. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    Dry pavement no less, takes some power to get these fat hogs spinning like that!
  24. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    That sounds awesome! If I did that I'd have to look up when putting my kid in his carseat!
  25. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    My man what are you doing to your truck that you need an alignment every couple months?? I've owned a 2008 Cobalt for 16 years and it's gotten one alignment after I did control arms, struts, and lowering springs! To the others, marine grade never seez, great idea, just sad they missed out on...

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