1. 9

    Engine dies at 50%+ throttle

    Brand new to the forum here. 2023 Yukon Denali with 3.0 Diesel. Engine completely dies when giving it more than half throttle and throws "Service Emision System See Owners Manual" and "175 mi Until 65 MPH Max Speed". Can reproduce it every single time we try. Started with power cutting in and...
  2. C

    2000 Yukon Radiator thermostat

    My 2000 Yukon is spitting out water but not all the time. I checked the reservoir and when I looked the water seems to be pushing out through the cap of the reservoir. Has anyone had this problem? What could it be? We thought there was air in the radiator so ran in for 5 mins the cap off and no...
  3. qthor

    Electric fan swap. Got a few questions

    Ive done a bit of reading but have not found all the answers to my questions. I have a 2004 Gmc Yukon Denali and it has a clutch fan. It had been replaced within the last year along with a cold case radiator, belt, and etc but it is loud when driving most of the time I turn the a/c on. I want to...
  4. P

    2002 Yukon/Another knock sensor thread

    I've been reading knock sensor posts and watching videos for 3 days and I'm really in need of some direction. I have a 2002 Yukon with a 5.3. It was throwing a knock sensor code. It was only one but I don't remember which. I watched some videos and ordered two new sensors and a new harness...
  5. pruittatl

    2023 Yukon 3.0 Duramax Denali XL Order Timeline

    Hello friends! I've been following along on this forum for the past few months and a big shout out to @DuraYuk for the dealership and sales person recommendation here in ATL. I am planning on keeping this thread updated as new updates come in for my 2023 Yukon 3.0 Duramax Denali XL (Lots of...
  6. iksplizit

    Coolant temperature sensor issue

    My fan was constantly running and killed my battery. Code reader said coolant temperature sensor was bad, so I replaced it and during the process I busted the lock on the connector. So i replaced the pig tail and it worked just fine. Week later temperature wasn't reading. I figured in my haste I...
  7. qthor

    Replacing Radiator, Water Pump, Thermostat, Fan Clutch

    So I have a 04 Yukon Denali and the radiator has been leaking for a while along with the water pump. Ive owned the truck since Oct 2015 and this is my second time replacing the water pump and my first time replacing the radiator. Intinitally I knew the radiator was leaking but after I while I...
  8. C

    Is anyone interested in testing our FULL LED headlights for the 2015 GMC Yukon?

    No spam❌No promotion❌ This is Cheryl from VehicleAid Headlight team. Is anyone interested in testing our FULL LED headlights for the 2015 GMC Yukon? We can send you the circuit board and the test tutorial video. There is no need to remove your original headlights from your car. It is very...
  9. 0

    Yukon Light Options

    I just picked up an 02 Yukon 2500, and I need to do some work on the headlights. Headlights need buffed out, etc. and have some cheap bulbs in there currently. I've read a few threads, but with the speed that technology is changing, I'm worried some of that info may be outdated. I'm not after...
  10. C

    How does ordering / allocation work?

    Does anyone know how this works? You go to a dealer to place an order (March), they tell you they have allocation but can only place your order in April - does it make sense? Do they get allocation monthly? Can they only place an order when they get allocation from GM? Is the allocation on a...
  11. qthor

    2004 GMC Yukon Denali AWD needs rears shocks but I want to lower but need some info

    So I have a 04 Denali that I've had for a few years and always wanted to lower. The rear air shocks I don't want. Pump burned out not long after being replaced probably as I have not heard it cycle on for quite a while. But Ive looked at the forum numerous times whenever I wanted a question...
  12. BlkCat_13

    SOLD* FOR SALE: Corsa Exhaust and CAI

    Brand new Corsa Sport Exhaust and Corsa PowerCore CAI for sale. Exhaust was never installed and CAI was on for about a week and taken off when my wife decided she wanted a new BMW X5M over the big Escalade. More than happy to take pictures of the parts on request with my name and info in the pic...
  13. qthor

    2004 Yukon Denali is rebuilding front differential that much harder than the rear?

    Hey everyone I have a 04 Denali Awd and its time to replace or rebuild the front dif. Remans cost as much as a trans here in IL ($1300 on the low side) and I can get a used one for about $400 and put it in myself but from the reading I've done rebuilding has been made to seem like a complicated...
  14. T

    6.2 Stalls/dies after highway or long drives dies coming to stop

    thought i would post this for everyone that needs to figure this out. im an auto tech and i couldnt find any information on this problem the 2011 chevy with a 6.2 i was working on was dying on long drives when you stopped it would die and wouldnt start for 20+ mins. no codes and it has, fuel...
  15. Z92-ALC Tahoe

    2021 Tahoe LED Tail Light install.

    This is my first post so be gentle lol. So ive seen quite a few threads online on various sites about fitting LED tail light bulbs in the 2021+ Tahoe's to replace the horrible filament bulbs they come with. Quite alot of people were having issues with hyper flash and error messages coming up on...
  16. Chloe_21

    6.2L V8 - 2021 owners

    What is your real MPG? 2WD or 4WD? (I don’t need a 4WD so I ordered a 2WD). I, so far, go to work 4-5 days a week 1 mile away but tend to go around town to run errands and such. (I’m figuring like $200-$300 for gas a month) right now my 8 yr old, V6 Acadia is getting like 11 MPG but I fill...
  17. J

    2021 Yukon Denali….Good & Bad?

    I’m currently considering trading in my 2020 Range Rover Velar for a 2021 Yukon Denali—I just need something bigger than my Velar. Curious as to everyone’s thoughts on the good and bad with this new body style and year. I think the design looks fantastic from the exterior but I also realize that...
  18. S

    Genuine GMC OEM OE Splash Guards Mud Flaps Black Rear 22922769

    Genuine OE GM GMC Mud Flaps Splash Guards for GMC Yukon. I bought them for Yukon that was traded in for Tahoe. I assumed they would fit Tahoe but they do not. So assume they are for GMC Yukon only. Year 2015-2020. Please note that I had peeled red cover tape from one guards to see if the guard...

    Stick-on Grille Covers?

    I stumbled across these looking for something different for my 2015 GMC Yukon XL Grille. I have looked at a huge number of complete grille replacements, but the project intimidates me (in spite of watching many "how-to" videos) and the idea of popping the plastic pieces out of the grille...
  20. Jeffrey Howell

    08 Yukon SLT.. Remote start not working

    Good morning to all, I have an 08 Yukon SLT. My remote start used to work just fine, now when I try to use it, It will click and the lights flash and then nothing. Any ideas on whats going on? Thanks
  21. A Ransom

    From the 407...

    Hello everyone, I’m a new member and would like to record and share my Yukon transformation process. Any and all suggestions are welcomed. I have a 2000 GMC Yukon, 5.3L V8 SLT 2WD I have had her for 15 years and after 230,000 miles I put in a new transmission this past week. Before I left for...
  22. Redfire Metallic

    My new Denali

    Sold my 03 Tahoe a lil bit ago and just this beaut outta Idaho. No rust. Unheard of in Mi 02 Denali 2 owner truck. I wanna throw some 20-22” newer oem wheels and fishbowl delete the front windows
  23. D

    What type of ABS module is this???

    So I just bought this 2004 Yukon SLE. It's the kind that has the traction control to 4lo 4x4 options. So the person I bought it from said he recently had all the brake lines replaced, but as a result of the repair or something related to it - the ABS/BRAKE/TC lights are all on despite the brake...
  24. Brandonshane74

    No Power To Half The Car

    07 Yukon Denali. I took the battery out for a side project and put it back in and now I only have power to a few things. Battery was only out for 2 hours and car ran great before that. Only things that work are front windows, radio, dash warning lights, HVAC, running light and other some things...
  25. O

    2004 GMC Yukon - Suspension and Engine Rebuild Help!

    Hi guys, I have a 2004 GMC Yukon with 275k+ original miles. I am looking to replace the front and rear suspension components. I have been looking at the Bilstein Shocks for my truck and I have heard positive reviews. What do you guys suggest I should be getting for both the front and rear...

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