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  1. Y

    Can't find the source of this whining sound

    Hey, there is a new sound my Yukon makes when it starts on cold days. It makes this whining sound when it starts and at times I can hear it around the 2k RPM mark when it's really cold and I am driving. I have checked the pullys but neither seem to emit the whine when I place something like a...
  2. Y

    Stabilitrak and Traction control lights issues

    Hey just following up on this. I had the shop fix the steering wheel and alignment and now the error do not show up while driving anymore. Thanks all!
  3. Y

    Stabilitrak and Traction control lights issues

    Does auto zone or similar have the scanner capable of grabbing those codes? Last I checked the scanners themselves can range $400-$700.
  4. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Hey all, Apologies for the late update. It's been a crazy few last couple off weeks. We recently just had a new baby that has been keeping me pretty busy. I still have a few things to take a look at, like the blower motor and track down the weird buzzing sound from the speaks when I use the...
  5. Y

    Stabilitrak and Traction control lights issues

    Hey everyone. I have a 2007 that is throwing the Stabilitrak and Traction control light and saying they are disabled. This has started to come up AFTER the truck was recently aligned. I can't tell if the alignment is tripping these sensors or not, but it only seems to disable the ABS and...
  6. Y

    Will a stock 2007 xl fit 285/75r16s

    I am looking for an upgrade in wheels and found some that are coming off a 2003 suburban that are 285/75r16, will those fit well on my stock 2007 XL? I currently have 275/55/r20s on here and am looking to increase side wall for the bumpy forest service roads and comfort. Thanks!
  7. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Yes, I will take off the wheels here today or tomorrow and check with my finger. I've already learned not to do that while they are hot! :oops: I will take a look at the blower motor. The whining certinally does go away if you cycle the key. It randomly shows up. Would that be a grounding...
  8. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    I went with the powerstop kit from Rock Auto. I have it listed on my spreadsheet here https://docs.google.com/spreadsheets/d/1GWTJEK0uzQ7C8TjYdxdeBgpUfOwHbz_1gknCLeX2QUc/pubhtml The break in procedure I followed was in the kit itself. It was 30 stops from 30mph, with 30 seconds in between, I...
  9. Y

    Seat stuck in reclined position

    Oh what!! I was thinking “no way” and then decided to put the bad switch back in and try what you mentioned and it worked!! For reference I had to go all the forward and then had to do the tilt all the way up.
  10. Y

    Seat stuck in reclined position

    Issue identified! It’s the seat switch for the power controls. I diagnosed this by figuring that if the motor is clicking when reclining but not bringing it up. It’s probably not gears or the motor. After looking at some schematics, I noticed that the switch was one unit and decided I needed to...
  11. Y

    Seat stuck in reclined position

    Oh. It can recline by the way but it just won’t got back. I have the back off and when I’m reclining I can hear the motor. But when trying to bring it up there is no sound or click.
  12. Y

    Seat stuck in reclined position

    Passenger seat was fully reclined and now it won’t go up. I checked for anything in the way but doesn’t seem like there is something blocking it. What’s a good course to get this back up?
  13. Y

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Soooo many! Better bugs than a deer though.
  14. Y

    What did you do to your NNBS GMT900 Tahoe/Yukon Today?

    Just got back from a trip to Yellowstone and the Tetons... so off to clean out the truck.
  15. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Alright, just took this beast to the Tetons/West Yellowstone. A total of about 600 mile trip for us. I am following up with some details and also some issues that I noticed on my trip and hopefully I can pick y'alls brains on some solutions. @OR VietVet, for the first tank I used the Techron...
  16. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    The cleaning being the new valve cover? Yes, it's on my list to get swapped. It's hard to find e85, if not impossible. 91 octane is much more popular around here and that is most commonly carried. I just googled and it's like 180 miles away to find e85. I will check though next time I go into...
  17. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    This is amazing, thank you!
  18. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Spark plugs 2,4,6,8
  19. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Spark plugs 1,3,5,7
  20. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    The rest of the cylinders.
  21. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Worked on the truck again today. - Changed spark plugs and spark plug wires - MAF sensor cleaned - Air filter replaced That #8 plug was kind of a pain, but I decided early on I was going to attack it from the wheel well, removing the liner and everything made that easy. Old plugs were toast...
  22. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Changed the block off gasket. Drove 180 miles. No more leaks from that section anymore. Now some oil accumulating at the base of the pan and at the top around those bolts. Going to need to track those down, there isn’t oil under the car anymore after it sits for some time. Which seems to be...
  23. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    Yours sounds great!!
  24. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    You are correct! It looks like it’s coming from the oil cooler block off. I’m going to replace the gasket and go from there.
  25. Y

    Purchased a 2007 Yukon XL, now to make it reliable!

    WELL, I think I know where it’s leaking oil hahah.

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