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  1. 2

    3rd Brake Light Condensation (Vent?)

    My 3rd brake light has significant condensation inside. Is there a way to drain it? Does it have a vent?
  2. 2

    Motor Mounts

    I have two friends, both with 6.2L motors under 100,000 miles, that have had to replace their motor mounts. Is this specific to the 6.2L or is it an issues with the 5.3L as well?
  3. 2

    AFM / DOD Delete

    I’ve read some about this topic but need some educating. I understand there are components (lifters?) that are responsible for switching between V4 and V8 modes. I've also read there is an OBD II module to override this so that it stays in V8 mode. Also read this is just a band-aid. So, am I...
  4. 2

    Battery Voltage Fluctuation

    2016 GMC Yukon XL SLT. Relatively new Odyssey battery. I noticed on a road trip this summer the voltage gauge fluctuating while highway driving. Sometimes it would be centered on 14V, but it was often dropping down into what looked like the 11-12 range. I didn't notice any issues that might...
  5. 2

    Rear Glass Defroster Cord

    2016 GMC Yukon XL SLT. There are two coiled cords / wires that connect to the rear glass defroster. One of them came off the glass. I can't tell if it was glued on or soldered on. Any idea? I don't want to just use regular super glue if it was soldered or requires a special adhesive that...
  6. 2

    2016 Yukon XL SLT Transmission Temperature

    2016 GMC Yukon XL SLT 4WD 97,000 miles. Normal transmission operating temperature is around 196 degrees. This summer in Colorado, while in 4WD off-road, temps climbed up to 240. Later, on a 2-lane road with some steep grades, temp got up to 255. It was 55 degrees or so outside. I didn't...
  7. 2

    3rd Row Power Seats "Manual Override"

    2016 Yukon XL SLT. Are the 3rd row seats able to be manually folded up/down similar to how you can do on the second row? Or is the only way to use the buttons at the back of the vehicle?
  8. 2

    Power Steering Loss - help!

    2016 Yukon XL 4WD, 87k miles. Dash message came on saying “Service Power Steering, Drive with Care” and I lost all power steering assist. I can still steer (with LOTS of effort), and everything else seems to be fine. No other noticeable issues. Anyone have thoughts on what could be causing this?
  9. 2

    2021 Yukon at Houston Auto Show?

    Does anyone know if the new 2021 Yukon is at the Houston Auto Show this weekend?
  10. 2

    Putco vs. Philips LED

    I plan on upgrading the low beams, fogs and reverse bulbs on my 2016 Yukon SLT. I have the Putco Nite-Lux LED's in my 2001 Tahoe and even with the terrible factory headlight refectors and lense, the output and color are excellent. I'm going to use the Putco Silver Lux for my Yukon lows. Anyone...
  11. 2

    Dash Noise Getting Louder w/ Speed - Help

    2001 Tahoe, just hit 200K miles a few weeks ago. One day I had a new noise which sounds like it's coming from behind the driver's side dash, kind of the instrument panel area and it hasn't gone away. It gets louder with speed (not RPMs) and isn't audible below 10 mph. It's kind of like a...

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