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    2023 Tahoe/oil additives

    No additives are needed except in rare circumstances. Example - I had a 2010 Cadillac CTS V. At about 40,000 miles on start up it would send up a huge blue smoke cloud. Not a little smoke, but a fire extinguisher amount of smoke. It was absolutely embarrassing. This is a performance car, not...
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    Looking to level my Tahoe with Autoride

    There is a reason that they state that. If you screw with ride height on autoride you are screwing with the alignment front and rear. If you have to do it, then go to a professional shop and specifically ask if they have addressed that before. If they have, then pull everythiing off, replace...
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    Slow air rim leak 2016 22 inch polished rim

    If those rims are chrome, all will eventually leak. My 2011 Yukon XL had chrome rims. I had the same problem you have now. I found out at the rebuilder that chrome is just that way and he is not touching it. Found a used one and put on it. Another wheel started leaking. I got pissed and...
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    New to catch can

    I have no idea what a catch can does. My plugs always looked good when I changed at 50,000 mile intervals. My oil always looked good every 10,000 miles. Maybe I get better mileage with a catch can, maybe spark plugs last to 75,000 miles, which they probably would anyway. I have no clue, and...
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    IS AFM DISABLEMENT NECESSARY??

    I put 207,000 miles on my 2011 Yukon Denali XL V4/V8. I feel like I saved over $20,000 in fuel costs over the life of it. I suspect the auto stop/start on my 2023 could likely pick up 5 miles per gallon on the road, but I disabled it anyway. Let's face it. If AFM is a problem it will cost...
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    Tahoe 2024 GM Exhaust Upgrade

    I agree on the dual exhaust mode. I do not know for a fact, but I bet the Escalade V has dual mode exhaust, if not more. It would tie back in to sport, street, track, eco drive options.
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    Opinion: Upgrade to GM Perf. exhaust vs GM Perf. brakes?

    I don't know but being an XL itis in the 6,000 lb range.
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    Opinion: Upgrade to GM Perf. exhaust vs GM Perf. brakes?

    I upgraded the brakes on my 2023 Yukon Denali XL. I don't tow. I don't put my 250 lb in-laws in the back of it and go road trip. I can't afford enough groceries and gas at the same time to overload it. And noise just makes the wife more pissed off. But it will panic stop quicker. We do...
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    Rear Suspensions & Air Compress.. 2016 Yukon SLT XL PLZ Help!

    In my 2011 Yukon XL I had Magnaride air leveling shocks in the rear. Regular Magnarides up front. As for handling and ride I added a heavy sway bar in front and back. Those sway bars did not affect the straight line ride, only the handling around in turns and corners. You will be...
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    New Arnott magrides are very stiff/bouncy

    The only thing I modified on my 2011 Yukon Denali suspension was upgrade the front sway bar and add a rear heavy sway bar. The factory Magnarides are fantastic. I had them in my 2010 CTS V, my 2011 GMC Yukon XL, and now have them in my 2018 Z06. Best shock in the business. Longest life in...
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    Exhaust Manifold Leak (Suspected): Tips, Suggestions, Experience?

    For what it is worth, I noticed two broken front exhaust manifold bolts on the driver side of my 11 Yukon Denali. This is a common problem. I had no symptoms, just noticed them while changing oil and doing a visual inspection while under them. It is easy to inspect because I have a lift. I...
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    2016/2017 Yukon Denali long term reliability

    The 5/30 synthetic is the best advice I have seen on these thoughts. I run it exclusively despite what the manual says. I live in Dallas and it gets hot.
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    Looking for feedback on Maggy TVS1900 vs BoostDistrict TVS2650 Truck Kit for my L94 6.2L

    I realize this is not the same, but I put 208,000 on my 2010 CTS V. It was stomped on regularly. 170 was the fastest I was able to go before I ran out of room. Nothing engine wise ever failed. No engine accessories ever failed. You have a long way to go.
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    4WD to AWD Swap

    You might think about using a galvanized pipe piece piece. Buy the right sized internal diameter then cut to fit.
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    4WD to AWD Swap

    Now this is a project. I suspect there will two or three fails down the road until someone gets it right. I had a 2011 Yukon with AWD. Put 208,000 miles on it and loved it. It was not intrusive at all. Never failed. Gave me piece of mind since it was the Wife's car. Now I own a 2023...
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    Best Magnetic Ride Replacement for Motion Sickness Prone Family

    By the way, tires are huge. Michelin Defenders and Bridgestone Duelers are all I ever run. You can sacrifice some ride and move up to 22" and reduce some erase action, but I don't think enough to make any difference.
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    Disable Auto Stop/Start for 2022 Cadillac Escalade

    This is who I used for mi two f150's and my 23 GMC Yukon Denali. It was easy to install, good instructions, and factory quality. https://www.autostopeliminator.com/collections/gm
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    Adding air to Magnetic Suspension

    I suggest you TRADE and get air ride. Too many electronics, switches. If you decide to do it or let someone else do it, sell all your guns to Kamala. She will keep you alive. You will have dark thoughts. Chalk this one up to the learning curve. You will not regret the air ride. Make damn...
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    Best Magnetic Ride Replacement for Motion Sickness Prone Family

    As a now former owner of a 204,000 mile 2011 Yukon Denali XL All Wheel Drive with the factory 4 wheel MagneRides with the Auto adjust rear air, I am amazed that you want to change them out. That set up, coupled with an upgraded Helwig front sway bar and an added Helwig rear sway bar, is "bar"...
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    2022 Tahoe Premier – New Transmission Needed at 8100 miles (under warranty)

    208,000 miles on 2011 Yukon Denali XL 6 speed auto. Still running well and shifting strong. Buying a rebuilt 10r80 transmission from anyone is a shot in the dark. That includes GM. They should put a new one in it. I don't respect mine, but it hasn't exploded yet either. I also have the...
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    First trip with 2024 Yukon Denlai XL 6.2

    Update on my Rockwall dealer, I was well documented with the problem. He looked at his alignment versus the new alignment. Read the owners manual instructions. Wrote me a check for $500. Needed tires anyway. Still chapped. There is no excuse for that.
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    cam upgrade question

    I would not mess with a cam change. That already has a big cam out of the factory. It starts climbing on about 2500 rpm in my 2011 Yukon Denali XL with 208,000 miles. It is even more radical on my 2023 Yukon Denali XL. Plus it idles well.
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    2023 Tahoe Induction/Carbon buildup service at 15k miles?

    It's also very important to have your steering wheel bearings repacked. They have a recall GY-742G2Z8996 on that truck for steering wheel bearings. Much more important than any carbon in the intake. If you have carbon in the intake you have much more serious problems than that. Convert to...
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    Is this frame too late to save ?

    I say replace the frame. Or go south and find one that is in much better shape. Life is too short to have a truck with a frame that looks like that. What is on that truck worth saving except the wheels?
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    Brake upgrade

    HydroBoost solved more than one sin on my 85, 99, 00 Suburbans. Like emergency brake response.

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