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  1. F

    Less expensive AFM bypass that works

    Interesting, my stock tranny died at 102k, the rebuilt trans died at 127k (1k out of warranty) and bought a remanufactured and the vehicle now has 138k. Would a tune possibly have helped my stock trans live longer? I don’t have an extra $780 laying around for a Black Bear. If I try to find...
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    Less expensive AFM bypass that works

    Did something different open with the link? It should have been the bypass that I am using.
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    Less expensive AFM bypass that works

    Oops, fat finger syndrome! I hit enter before finishing my thought. Now that I know what it’s like without the AFM, what else would a tune do for me? https://a.co/d/626PRKg
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    Less expensive AFM bypass that works

    I bought my 2011 Yukon Denali about four years ago with 82k on it. I liked almost everything about it, except I really disliked driving it on the highway. Up to 80 mph it was great, 81 and up was terrible. The vehicle would shudder a bit and it had a weird vibration. Slow down to 80 and all was...
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    2011 Denali front diff mount issue - SOLVED

    OMG, what a difference! The clunk is gone. I had to have a second transmission (in two years) put in last year. Unfortunately soon after an intermittent noticeable clunk when shifting from reverse to drive. I assumed something was amiss with the trans, but they checked it out. Of course it...
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    2011 Denali front diff mount issue - SOLVED

    I have had an intermittent clunk/thud coming from the front of my 2011 Yukon Denali with 120k. I replaced the driver side engine mount a couple years ago shortly after buying the vehicle. That fixed the clunk I was experiencing at the time. Replacing the mounts is a royal PITA by the way...
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    2011 Yukon heated/cooled seat connector

    After much searching it appears that this plug will work for those, like me, with a melted pin/connector at the CCSM module. While Amazon states that it is a Ford part it is the exact same connector as the GM part. https://a.co/d/52ytFvF
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    2011 Yukon XL Heated/ Cooled Driver Seat Not Working

    I posted a link but it’s waiting for admin approval
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    2011 Yukon XL Heated/ Cooled Driver Seat Not Working

    https://a.co/d/52ytFvF
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    2011 Yukon XL Heated/ Cooled Driver Seat Not Working

    Finally found this one on Amazon.
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    2011 Yukon XL Heated/ Cooled Driver Seat Not Working

    I love this vehicle but sometimes the engineering leaves a lot to be desired! For anyone experiencing heated/cooled driver’s seat issues in a 2011, the actual control module that controls both front seats is under the passenger seat. My driver’s side heat/cool buttons on the door lit up but...
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    2011 Yukon XL Heated/ Cooled Driver Seat Not Working

    Just tickling this post. My 2011 Yukon Denali driver’s seat cooler decided summer was a great time to stop working. Pulled the whole seat out, the mechanicals look very different than what I have seen others post. When I press the buttons on the door each light turns on appropriately and I think...
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    2011 Yukon Denali trans rebuild cost?

    There was a long list on the receipt. I’m not a trans guy so it was Greek to me.
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    2011 Yukon Denali trans rebuild cost?

    Well, here’s an update… Trans was rebuilt and turned. Yesterday, during a road trip with the family, the trans went belly up. I did notice some weird bumps while driving but I figured it was the Illinois roads. I stopped for gas around 270 miles into the trip. The trans would not engage unless I...
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    2011 Yukon XL Transmission Slip

    Would that be the case for a 2011 Yukon Denali as well? I had my trans rebuilt about 2 years ago and only have put just shy of 20k miles on it since then. During a road trip, yesterday, I was noticing some occasional weird ‘feelings’ while driving on the highway. I just attributed it to our...
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    Knock when cold

    I’m glad I happened onto this thread. My ‘11 Denali with 125k has had me very concerned lately. Granted it has been quite cold lately in northern Illinois, but the slap has been very loud on cold starts and tends to take 4-5 to go away. I’m at about 4K on Mobil1 full synthetic. I typically go...
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    High pitched scraping while driving

    I first suspected brakes. As I had driven full sized Chevy/GMC vans for years, I just assumed front brakes. Interestingly, there was a lot of meat left on all four pads and the rotors were nice and smooth. However, when I took the old pads out, the backing plate on the inside pad on the...
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    High pitched scraping while driving

    I was hoping I would find a post on this… While driving, my 2011 Yukon Denali makes a high pitched scraping noise, almost like a brake chirping, only from the passenger side. I cannot hear it inside the cabin and can only hear it with the windows down and driving next to something to bounce the...
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    exhaust leak, again

    Hello from the frozen Midwest! My 2011 Denali with 95,000 miles is really starting to frustrate me. I had a cracked exhaust manifold. I didn’t want to mess with it so I brought it to a shop I trust. He recommended doing both at the same time and gave me a decent price, so I did. Now comes the...
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    2011 Yukon Denali trans rebuild cost?

    It sounds like I need to get it towed out by you. The shop is charging $4,200 for the stock rebuild plus $200 to replace the rear main seal.
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    2011 Yukon Denali trans rebuild cost?

    Hi All! I bought my 2011 Yukon Denali last March with 82k miles, it now has 91k. I have been chasing a low oil pressure demon for a few weeks, which now seems to be OK. However, I felt the tranny slip while driving over the weekend, only once, when I went over a rough train crossing. I drove the...
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    New Member from Illinois 2011 Yukon Denali, love it but where is the power?

    This is my first E85 vehicle. I just assumed E85 would be worse for my engine. Is that not really the case? I am contemplating throwing a couple gallons of racing fuel in with the next fill up, just to peak the octane at around 93.
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    New Member from Illinois 2011 Yukon Denali, love it but where is the power?

    I forgot to add that it is AWD. Is there an automatic ride adjustment on this? I hear something making noises in the back when it is sitting.
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    New Member from Illinois 2011 Yukon Denali, love it but where is the power?

    I was looking at an S&B cai. Will a better muffler help, or do I need to run a true double exhaust? What about a tuner?
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    New Member from Illinois 2011 Yukon Denali, love it but where is the power?

    I am planning on plugs and wires. Thoughts on brand? I usually run NGK in everything.I have cleaned the MAF. I run Seafoam cleaner in the tank every 4 or 5 fill ups. I have removed the air intake and cleaned the throttle body from the outside. I have done the Seafoam through the vacuum booster...

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