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  1. J

    Switches sticking in cold weather - Cause Identified and Problem Resolved!

    Having problems with some of the switches in cold temps, below 25F sticking or no responding. This morning it was 12F and I was barely able to get Auto 4 Wheel drive enabled, then I was unable to get 2 Wheel drive back on even after driving with the heat on for 30 mins. It's like the switch is...
  2. J

    Electric supply options for interior accessory power and courtesy device charging cables added/installed

    I have a 2005 Yukon Denali and it had a cigarette lighter socket in the rear part of the truck and I have used it many times over the years. Had my Yukon Denali for a year and I have not looked closely at is because I use it mostly for trips with myself and wife, never really looked closely...
  3. J

    No Audio For Radio - Sirius XM, AM and FM - FIXED FOR NOW!

    Just diving into this issue. 2024 GMC Yukon less than 1 year old, everything was working find then all the sudden not sound for Sirius XM, AM or FM however sound works for streaming Android Auto, GPS, Google, OnStar and Bluetooth cell calls. Guessing it may either be a Serial Data Gateway...
  4. J

    Post Pictures Of Your Oil Filters Opened Up

    Please indicated the follow: Model Year Purchased New Or Used Engine Size Engine Build Date If Available Total Engine Mileage and Mileage On Filter What Number Filter, Original/1st or what oil change number Here is the first post Friends 2025 new purchase Yukon 6.2l L87with a 2025 build date...
  5. J

    SOLVED - No HVAC Airflow From Dash Simple Fix

    No airflow from HVAC in dash. Pop the blower motor controller out, open it up. Find bad solder joints that overheated, reflow high current joints, pinch female terminals closed slightly for the higher current connections. HVAC back working. Priceless!
  6. J

    Solution For Rear Climate Control Blowing Cold Air

    Solution for rear climate control blowing cold air. Rear Climate Control Blowing Cold Air
  7. J

    Project Carbon Next Gen 10 Speed Valve Body Kit - Finally Installed!

    Just putting this initial info out about the Project Carbon Next Gen 10 Speed Valve body kit for anyone that wants to follow along. I contacted Next Gen and spoke at length with the design Engineer that came up with the Project Carbon valve body repair/update. Spoke about many topics but it...
  8. J

    Best Video Summary Of Cold Start Concerns

    This is probably one of the best video summaries of cold start concerns, do's and don'ts. Cold Starting
  9. J

    2025 Gauges

    Checking out a neighbors 2025 Yukon Denali and found that you can display some of the gauges in a numeric value to include Engine Oil Temperature and the Hours are listed as both Total and Idle hours. The ability to monitor the Engine Oil Temperature will be a great feature to be able to track...
  10. J

    CB Radio Install - Yes some still find them useful

    While this is not a DIY or video, I will share a simple and fairly covert CB radio set up for under $200. While some may things CB radio is dead, it is not. Even with Maps, Waze, Radar Detectors, I have had a lot of good luck running a CB radio for many reasons over the years. I do a LOT of...
  11. J

    120 Volt Outlet Jumper Suggestion

    So for the 120 Volt AC outlets in these trucks, the rear outlet is somewhat recessed/ shrouded and you cannot plug anysort of "Wall Wart" into this outlet. I had a situation where I needed to plug in a cordless tool battery charger that has a "Wall Wart" instead of a standard power cord. I did...
  12. J

    Wireless Remote Keypad

    This may or may not have been discussed or posted before. Wireless remote keypad to unlock vehicle without keyfob. Some say it may even fit inside the fuel door area? Seems they are marked down for a while longer, but this needs programming...
  13. J

    Crank, no start on first attempt randomly

    Not a critial issue at this point, just tossing this out to see how many others have run into this and if anyone has found the 100% solution. I have some ideas, but have not reserached or tried to solve problem yet as it seems to always start. 2005 GMC Yukon Denail 6.0L Problem did not start...
  14. J

    Magnetic Oil Drain Plug

    Not sure why the newer models do not have magnetic drain plugs, my 2005 Yukon Denali 6.0l had one. So if you are considering getting a magnetic oil drain plug, the thread size is metric 12 x 1.75. Cheaper and easier to find option is the Dorman 090-936CD. This is very similar to the OEM drain...
  15. J

    Rear Wiper Intermittently Not Working

    Just putting this out to make members aware that they may run into this issue and to see if others have seen the same problem. Less than 3500 miles on my 2024 Yukon, tired to clean the rear window to other day. Washer worked fine, wiper did not move. Tried a few times, same thing. Had a 2 hour...
  16. J

    Blackstone Labs Price Increase

    A number of members here use Blackstone Labs for oil analysis. Was notified as of 2/1/25, individual sample cost will be $40, however, you can get a 6 pack bulk analysis for $32 per sample. https://www.blackstone-labs.com/product/bulk-samples/
  17. J

    Door Jam/Threshold Protection

    Was not 100% sure whether to post this in the Interior or Exterior section but you can only see these when the door is open, so I chose the Interior section. Wanted to protect the painted portion of the lower door jams/thresholds from stratches and damage. Did some searching around and found...
  18. J

    Crosspost for Park Release Tool and Towing Info

    Crossposting Park Release Tool and Towing Info https://www.tahoeyukonforum.com/threads/manual-park-release-2021-2024-models-for-towing-or-other-reasons.152284/
  19. J

    Manual Park Release 2021-2024 Models For Towing Or Other Reasons

    Not sure about pre 2021 vehicles, but the 2021-2024 with the electronic button shifting cannot be manually tanke out of park from inside the drivers compartment. The parking pawl is /Elecrically and hydraylically controlled. So if the engine does not start and is not running and/or there is a...
  20. J

    Spare FPCM (Fuel Pump Control Module) WISE IDEA!!!!

    A word to the wise, I would HIGHLY suggest anyone what owns even a newer (2021+) Tahoe/Suburban/Yukon, Sierra, Escalade to purchase a spare FCPM and keep it in the truck. Even if yours has been replaced under the recall or due to a prior failure or even if you have the latest part #13554821 it...
  21. J

    Oil Capacity Question/Verification

    I know this issue may have been tossed around a bit, but I beleive there is something with the stated oil capacity for these engine. Vehicle - 2024 Yukon Denali XL 6.2l gas engine. Everything I read indicated that the engine oil capacity is 8 qts with filter. Change initial oil at 500 miles...
  22. J

    2005 Yukon Denali Fuel Pump and Filter Question

    I have searched around a bit, maybe not well enough, but I have a few questions on the fuel pump and filter for a 2005 Yukon Denali. 1. Does the 2005 Yukon Denali have a serviceable fuel filter? If so, where is it located and what other years have the same configuration? 2. Fuel pump life...

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