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  1. Dadnali68

    2011 Yukon XL Denali torque converter shudder. Initial thoughts and questions

    Hi all, My 2011 Denali XL AWD is having some issues, and I believe its converter shudder. -vibrates and rpms fluctuate by about 200 every time. -only happens cold. -only happens in higher gears, 5th and 6th. -Trans itself is still very smooth shifting. Here's where I'm looking for...
  2. Dadnali68

    2011 Yukon XL - Hot while towing, fluctuating oil pressure, general weirdness.

    Hello all, I've got a 2011 Yukon XL Denali. Had it for about a year, has about 170K on it. Truck has been a blast! Comfortable, smooth, affordable, and fairly easy to work on. It's a GM truck after all! I've had to do a lot to it. Upper and lower control arms, front brakes, calipers and...
  3. Dadnali68

    Driver side heated seat not working

    Hello! So I'm having an issue with just my driver side heated seat. Vehicle is a 2011 Yukon XL Denali. I replaced the pigtail tail and relay under the passenger seat. Still nothing. I can hear the relay click, the lights on the door stay on, but no heat. Shop I took it to found a difference in...
  4. Dadnali68

    Thoughts on greasable upper amd lower control arm bolts?

    Hi all, Had to take the ride into a shop for some electrical work. While I was in there the shop found three out of four ball joints were going bad in the front. It's a semi rusty western NY truck, so I'm going to do upper and lower control arms. Moogs with the greasable ball joints. Shop owner...
  5. Dadnali68

    Intermittent starting issue 2011 Yukon XL Denali [SOLVED]

    Hi all, just got the truck a few days ago. Previous owner said it was great but had some issues but he thought he had fixed it. He was wrong. No lights on the dash, turn key, no click no start. Sometimes it's a few minutes of turning the key until it starts, sometimes it starts right away...

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