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  1. Airman68

    Towing Transmission Question

    So I have a 2008 Yukon XL with the 6spd transmission. just bought June 2022. Towed my #3500 lb boat last summer with little issues. This winter I was towing a 2 place enclosed snowmobile trailer with 2 sleds on a fairly flat road. It seemed to me that even in tow mode, the thing shifted up and...
  2. Airman68

    Transmission advice

    It would be a tough call for me. Biggest issue is the AFM on these things for me, I have mine disabled. If the truck itself is in good shape, you like it and it doesn't need much else, might be worth it. If it were me, I'd try to find a better price. Would be more likely to spend $3k on a 5000...
  3. Airman68

    2007 Yukon Denali (155k/8600$ ) vs Tahoe LTZ (174k/7000$)

    Nice. Just got my 2008 SLT and love it. Little rust but the price was right.
  4. Airman68

    Interesting AC Issue

    Very common issue. My AC went out a few weeks after I bought it and the small dealer I bought it from wouldn't do anything. Luckily I'm an AC tech so I just blocked off the rear air lines (they have a kit for that) and works like a charm. Honestly the regular air works just fine for the entire...
  5. Airman68

    What are your must-do things on new-to-you gmt900?

    Hands down, change all the fluids you can. I bought my 2008 with 189k on the clock and thought I had a transmission issue. Turned out to be a broken spark plug giving me a misfire. Change plugs and wires. Basically the easy stuff. It's worth it in the end. I also added a AFM disabler to my OBD...
  6. Airman68

    thinking of buying an 09 yukon xl

    I was hesitant about buying my 08 Yukon XL for several reasons. Afm and oil pressure issues, which I had on past vehicles. I bought this truck purely out of necessity because there wasn't much else out there at the time. Overall, it's a nice rig and comfy. That said, if I could have found a...
  7. Airman68

    Looking for Info on 2013 Yukon XL K1500 with SLT2 Package

    Bought my 2008 Yukon XL SLT with 188k miles for $10,800 this summer. Nice rig. Interior is spotless, exterior has some rust but not bad for the year or for Wisconsin. Kinda got screwed from the local small dealer I bought it from because it has a torque converter issue and they wanted nothing to...
  8. Airman68

    The financial benefits of maintaining our own cars

    Do everything I am capable of doing on my own and a good friend of mine has a lift which is really handy. I figure I'm money ahead buying tools to do the work myself.
  9. Airman68

    New tahoe issue

    This is probably why I stick with used rigs. If I'm gonna pay that kind of cash for a new vehicle, it better make it home or at least be trouble free for a couple years. I think that's why most people buy these, to avoid trouble.
  10. Airman68

    Oil Pressure Issue - Resolved

    I had this issue on a 2012 Sierra. Same work and used a PH63 I think which is the longer one I have used many times. Low oil pressure. Changed to 10w30 and the shorter one and got an additional 10 psi. Seems to me that this is a band aid on a bigger issue. I was hesitant to buy my latest 2008...
  11. Airman68

    Front Leveling kits

    I think anything over just the 2" level kit and you get into issues with the upper control arm angle being too much. I considered a higher lift on my last truck but ultimately decided against it just because of this issue.
  12. Airman68

    Shudder!?

    I have the exact same issue with mine. 60 mph towing mostly. Did you do the repair and did it resolve the issue?
  13. Airman68

    New Member From Green Bay WI

    Hi there. New member from Green Bay. I have lived in WI most of my life. Grew up in Oconomowoc, moved out of state for a short time but back now likely for good. I am a big motor guy, like anything that burns gas (mostly boats, cars and sleds). I'm also an above average "shade tree mechanic" as...
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