yukon

  1. M

    2013 yukon denali xl exaust suggestion

    i recently bought a 2013 gmc yukon xl and i want a deeper and a bit louder exaust. I know very little about exaust and i was just wonder what the go to is usally for these.
  2. R

    99 yukon slt belt tensioner tapping the stopper

    I upgraded my alternator to a 140 amp and replaced the belt tensioner after auto zone sold me several wrong parts. its a 1999 yukon SLT 4WD with the belt on the ac compressor. After Installment the pully tensioner will tap the stopper, it seems to get louder when put in reverse or turning the AC...
  3. 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...
  4. Denali Z

    2008 Yukon pulley noise

    High pitched whining from the front belt area. Had alternator tested, test came back good. I am planning on replacing the idler/tensioner pulleys but curious if I can replace just the pulley on the alternator? Every part store in my area does not sell one and have to buy the full alternator. Any...
  5. G

    Reduced Engine power, Service Stability System

    Hello all, I'm new to the group as I purchased a 6.0 2006 Yukon Denali from my dad with a little over 240K on the clock. Don't let the mileage fool you though, this truck as been extremely maintained its entire life and looks as good as if it just came off the show room floor with a couple of...
    • Gstepha0
    • Thread
    • denali electrical fuel injector wiring harness help reduced engine power service stability system yukon
    • Replies: 13
    • Forum: Engine & Drivetrain
  6. T

    23 Yukon AC cooled seats suck

    2023 Yukon SLT. Equipped with “AC seats” in the front. Only problem is I don’t notice the effect at all. I can hear the fan running in the seats, but feel no air coming out. Anyone else have this issue? And if so, what did you do to resolve? Might take it in to the dealer, but I’m sure I’ll be...
    • tahomie
    • Thread
    • 2023 air conditioning climate control seats front seats yukon
    • Replies: 13
    • Forum: Interior
  7. 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...
    • qthor
    • Thread
    • 2004 a/c clutch fan denali electric fan fan swap gmc relay yukon
    • Replies: 3
    • Forum: Engine & Drivetrain
  8. drastevenson

    Lifter, Cam Swap Help

    I have a 2007.5 GMC Yukon SLT. Quick Story: did a cam swap and now it won’t crank up. It makes an almost clattering noise and won’t catch. I don’t want to keep trying to crank it on. Long story: About a year ago, I started having the lifter tick issue but was able to temporarily fix it by...
  9. J

    New GM SUV Buyer, How Good Are These Cars? Long Term Owners?

    Hello all, I'm currently looking into buying a GM SUV, really looking into a (Suburban or Yukon XL). Been doing research online, youtube vids, blogs/forums etc, etc. How reliable are the new GM Full size SUV? How happy are you with your purchase? Any issues to look out for? Responses from long...
  10. denalilex

    re-rebuild findings - 310K mi. spark plug

    so as im sure a handful of you know - my gen 1 6L80 finally got tired enough to throw in the towel & so while i have taken on my first ever trans rebuild/overhaul - of which im taking an over abundance of caution with & patience with myself - i’ve also decided to tend to some parts that REALLY...
  11. WacoYukon

    3" Ready Lift Leveling Kit on a 2022 GMC Yukon AT4

    Here are pics with 275/65/20s Nitto Recon Grapplers before I have it taken off and a 1" or 1.5" leveling kit installed. This kit feels like it lifts it too much and creates too much wheelwell gap if that makes sense. A 34" tire is the tallest without rubbing on a stock wheel FYI.
  12. 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...
  13. E

    2021 Yukon Driver Window

    I purchased a used 2021 Yukon XL AT4 in November 2022. We didn’t leave the dealership until after 8:00PM and didn’t realize until we had drive 35 minutes home that the driver side window wouldn’t go down. I took it back where of course as soon as the service advisor hit the button it went down...
  14. iboughtatahoe23

    Exhaust manifold tick?

    Hello. My manifold stud broke off in the drivers side closest to the steering wheel, it seems to have started ticking too. It appears to be coming from under though and I don’t feel or hear anything at the broken stud area. I don’t feel the leak there. What y’all think? Where else could it be...
  15. 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...
  16. 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...
  17. R

    2003 Yukon won’t accelerate past 3,000rpm and chokes/sputters

    Hey all, I’m having an issue on my 2003 Yukon that seems to be fuel related. The truck had all the seals redone in the motor not too long ago, holds great oil pressure and runs smooth, but I’m unable to accelerate past maybe 1/4 throttle. The truck will sputter and back fire, and it gets worse...
  18. YukonXLDenali2004

    2003 Tail Light Plugs Don’t Fit 2004

    Hello there Tahoe/ Yukon community. I recently bought some aftermarket tail lights for my 2004 Yukon from CARID, on the site it said they were direct fit, but when I went to install them the plugs were different. Some piece of paper said that the lights fit 2000-2003. Was there a plug style...
  19. R

    Parking brake warning comes on randomly

    Hi, For the past few weeks, the parking brake warning has been coming on randomly on my 2010 Yukon while I drive. All of the sudden, the parking brake warning comes on, I get 33 warning dings, and the dashboard message cycles through the following three messages: STABILITRACK OFF TRACTION...
  20. 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...
    • qthor
    • Thread
    • aluminum coldcase denali gmc lq4 radiator thermostat water pump yukon
    • Replies: 12
    • Forum: Engine & Drivetrain
  21. X

    2012 Yukon Denali XL lowered tire size preference?

    2012 Yukon Denali XL. It has a 3/5 drop on 22x9.5 +20 offset with 285/45/22 (32.1" tall) at the moment. Just rubs a little on the front side when turning. I am planning on lowering it to a 4/6 drop this weekend and want to change the tires up but stuck between 2 sizes. I'm looking to do either...
  22. C

    Need advice on my potential Yukon purchase situation

    Hello all, newbie to the site here! I visited 3 dealerships today and came back pretty discouraged. Found this forum, and it's even more discouraging. Here's my situation, I currently own a 2018 Yukon XL Denali, and looking to get into a 2022/2023 Yukon XL Denali. Fortunately, all 3 dealerships...
  23. 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...
  24. qthor

    2004 Yukon Denali exhaust pipe size and muffler recommendations?

    Hey I have a 04 Denali and my factory muffler has rotted through finally and its time to replace it... Problem is I can't seem to find the exhaust diameter size online that may be right. Ive seen 2.5, 2.75, and 3.0 inches. I haven't been under the truck yet to measure it myself and can't find a...
    • qthor
    • Thread
    • 2004 denali exhaust flow mufflers performance size yukon
    • Replies: 4
    • Forum: Exterior
  25. MrMonte

    My new to me 2018 Yukon Denali Ultimate

    2 months ago I purchased a low mileage 2018 Yukon Denali Ultimate. Since then I have put 5,700 miles on it with an overall average of 20.5mpg. 125 miles ago I installed a 91 performance tune and turned off AFM using a Flashpaq F5. So far my mileage is at 22.3. Near plan is to do a full...
    • MrMonte
    • Thread
    • 2018 denali flashpaq mpg ultimate yukon
    • Replies: 4
    • Forum: Introduction

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