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  1. RobDenali

    The Originating Dealership Gave Me The History Report

    well I have drove the truck only 1200 miles and so far I have had 1 o-ring replaced 1 injector replaced and now its in the shop for possible HPFP failure. This was my first extended warranty I have ever purchased and I am so glad I did.
  2. RobDenali

    STP "direct injection" system cleaner

    I always used seafoam but I was convinced to try Berrymans and I will never go back to anything else . So easy and the PEA really cleans all the carbon out
  3. RobDenali

    Are check engine/error codes saved?

    tell them you smell fuel after a cold start, even if you dont. They will test all the injectors or at least one side depending on your codes
  4. RobDenali

    2016 Denali/6.2 long term reliability

    Run premium gas Keep up with oil changes and Clean your intake with PEA and all you might endure is some fuel injector replacing.
  5. RobDenali

    My dealership odyssey and claimed carbon buildup

    Get some Berryman's and clean those valves then take it to anther dealership. And after you get it fixed use it every 25K miles to prevent that from happening again. https://www.amazon.com/Berryman-Combustion-Chamber-Cleaner-16-Ounce/dp/B081TKBG18
  6. RobDenali

    Appreciate your Tahoe

    my 2016 drives like a station wagon on a truck frame, and that OK with me Being in my mid 50's I love station wagons :)
  7. RobDenali

    Oxygen Sensors, who changed them yet?

    No reply's ? How many 02 sensors are they?
  8. RobDenali

    Magnetic ride shock replacements

    They use a ring and have three settings I believe when you order them you need to specify what setting you want. I heard people have had problems when changing the setting afterwards. It could be they need a new ring. I am still learning myself so take everything I say with a pound of sand.
  9. RobDenali

    A very crazy thought on the stock 22" rims

    I have decided I really am gonna do it, yes I will take the wheel off. Just have to wait for the weather to cooperate
  10. RobDenali

    Magnetic ride shock replacements

    the bilstien's will def raise the front. I havent got a clear answer yet but I might even have to use a spacer in the rear to stay level. I am hoping to get it done by the end of the month.
  11. RobDenali

    A very crazy thought on the stock 22" rims

    Holy crap somebody beat me to it.
  12. RobDenali

    Front MRC Shock Replacement, OE or Aftermarket?

    the price you pay for shock sims and then regular shocks and struts is way cheaper than replacing the magna ride. And they will last much longer too. Just sayin...
  13. RobDenali

    Magnetic ride shock replacements

    I too am saying goodbye to magnetic ride . I am waiting for the bilstien 5100 struts to be back in stock. When I get them Ill drive around with the error message until I do business with shock sims. They have a new system now that plugs into the scanner port (but you still need to terminate...
  14. RobDenali

    A very crazy thought on the stock 22" rims

    So after watching countless flex seal commercials I decided to pick up a spray can at menards and used it on my gutters. I was surprised at the finish and the durability of the paint (if it really is paint?). What I had left in the can I sprayed my mailbox post, again the finish is amazing. Now...
  15. RobDenali

    87 octane vs 91 octane

    I am guilty of not reading all 14 pages of this thread but ima gonna chime in anyways. My 6.2L runs GREAT on 92 octane from Costco. I also use lucas oil fuel additive. The truck launches. I am very happy with the excelleration and I came from a STR8 charger lol.
  16. RobDenali

    Intake Cleaning

    unplug the closest vacuum hose to the throttle body and squirt this inside while someone is keeping the rpm's at 2000. https://www.autozone.com/fuel-and-engine-cleaners-additives/intake-valve-cleaner/crc-gdi-intake-valve-cleaner-11oz/461563_0_0
  17. RobDenali

    Intake Cleaning

    You must top clean GDI engines ! My question is this. What about the DoD system while top cleaning, Has anyone ever thought maybe not all cylinders are getting the cleaner? Most directions say to keep rpms at 2000 while applying then heat soak for a period of time and drive on at highway speed...
  18. RobDenali

    Front and Rear differential fluid change ??

    Can anyone confirm that when changing your drive train fluids, do you fill until it starts to come out of the fill plug? I am horrible at measuring liquids Thanks
  19. RobDenali

    Posi Rear?

    Keep the CAI it makes top cleaning and throttle body cleaning a breeze
  20. RobDenali

    15i battery swap questions

    Did you swap your battery? I have a 16 and its time for a new battery. I am trying to find a thread with any tips to doing a battery install
  21. RobDenali

    17 Suburban Premier - rough idle when warmed up

    I had a rough idle that went away when I did the mobile1 atf Flush and TCM relearn as per the TSB. I noticed the difference immediately
  22. RobDenali

    Did anyone go with a JEGS transmission?

    https://www.jegs.com/i/ATK-Engines/059/8114A-JMB/10002/-1?year=2016&make=GMC&model=YUKON+XL its 2828.99
  23. RobDenali

    Found a great deal on take off OEM Skid Plates!

    Thanks again for the tip on these, they arrived last week and I am planing to get them on when I do my fluid changes
  24. RobDenali

    The Originating Dealership Gave Me The History Report

    She needed front brakes @ 38.968 She must of been a lead foot lol. Seriously though after the Mobile1 ATF change and the lucus oil fuel treatment this truck is a beast (providing you drive in tow/haulass mode with TC off)
  25. RobDenali

    The Originating Dealership Gave Me The History Report

    It did shutter the day after we brought it home, but 595.00 later for transmission flush it runs great. The lady traded it in on a black beauty navigator

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