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About cs15dah

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    2015 Suburban LT 4WD

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  1. Appears mine are clogged. Dealer says book is 5 hours to lower the headliner, remove the lines to clean them, then reinstall. $650. 1) Any guides, threads, how-tos out there specifically for this year/model range on how to clean them out? Mine’s a 2015 Suburban. I did see the generic video (I think they used a BMW car) located in another thread, but curious as to any instructions out there specifically for our particular vehicle. 2) I plan on using trimmer string to push through the drain tubes. There are only the two located at each side of the front of the sunroof opening, right? I do have a small compressor but worry about pushing air through and accidentally disconnecting the tube somewhere and not know about it until its leaking. 3) And, where are the drain exits? I looked around the wheel well openings but didn't see anything. Perhaps they're hidden behind the wheel well liners, or up in the fenders somewhere out of sight?
  2. Inside Door Handle

    Take the door panel off and take a look. Might be a simple fix. There are YouTube videos that show you how to do it.
  3. https://chevroletforum.com/forum/tahoe-suburban-25/tailgate-opening-itself-4782/page4/
  4. Done. Thanks for the help, fellas. ACDelco’s 75W-90 in the front and 75W-85 in the rear. Also did the transmission and transfer case fluids, since I was already underneath the truck this weekend. I’ll eventually get around to dropping the trans pan and do the filter at another time. Used Valvoline MaxLife. Next time I’d like to go with the new Mobil 1 fluid being discussed in the transmission shudder thread.
  5. What Shocks?

    The front struts went in today. Wow, struts aren’t that bad at all to install! I shoulda learned how to do struts years ago...
  6. After reading several stories about people nearly crashing because their brakes didn't work because their vacuum pump failed, I thought I'd try to stay ahead of the problem and preemptively replace my vacuum pump. GM part number 12659655. GMPartsGiant.com says it's discontinued. Neither AutoZone nor NAPA have a part listed at all. WTF?? How do I get a new vacuum pump?? Has anyone actually been in an accident because their brakes failed due to the vacuum pump issue? I haven't read any stories of actual accidents, just a bunch of close calls.
  7. What Shocks?

    Got the rears in tonight. Holy smokes, what a difference! The old ones are probably original. 113,360 miles. The left rear compressed easier than the new ones and rebounded very slowly. The right rear was totally shot. Compressed with no effort and did not rebound at all. Now... to look at strut videos on YouTube over the next few days, rent a strut compressor from Auto Zone, and tackle the fronts over the weekend. Anyone ever replace the filter on their compressor? I imagine if it uses a desiccant that it could use a 'refresh.' Looks like GMPartsGiant.com sells it combined with the tank. Part number 22941807.
  8. Second Row window slit?

    I really have no idea. It was just a thought. Maybe a wrong one... ;)
  9. Second Row window slit?

    Next time you have the back door open, look at the door latch.
  10. Alright, then I’ll order the two different weights. 3 quarts each for each differential should be enough?
  11. 2015 Suburban 4wd. Why is there two different viscosities of gear oil for the differentials? Owners’ manual says 75W-90 (10-416 Synthetic Axle Lubricant) in the front and 75W-85 (10-4091, Rear Axle Lubricant High Efficiency) in the rear? Any idea why? Any reason not to use Mobil 1 75W-90 (Synthetic Gear Lubricant Limited Slip) in both?
  12. What Shocks?

    Thanks! Yeah, I considered Bilstein. But with the air shocks in the rear I suspect I have to stay with OEM. Not sure if the fronts make any difference. They “look” like normal shocks.
  13. What Shocks?

    I did that with GMPartsGiant.com. But like I said, it contradicts info on GMPartsDirect.com. So unless I knew for sure, it would be a gamble. Especially since GMPartsDirect.com says they're not compatible with my vehicle.

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