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    Slight "thud" on moderate accel from standstill

    2011 Yukon Denali awd From a stand still, if you accelerate moderately there will be a slight thud. I can't identify where it is coming from. I checked to see if the spare tire was loose. It wasn't. Is this anything common?
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    11' Denali Telescoping Steering?

    I have an 11' Denali XL. It has the electric vertical steering wheel adjustment, but not telescoping. Is this common? I sure would like the telescoping since I am tall and when my seat is back far enough to be comfortable, my arms are way out there. I almost wondered if the po may have had a...
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    Air suspension concern

    2011 Denali Recently I have noticed every time I start up, even after only a short period parked, the air pump kicks on, and I will get a dull thump from what sounds like the front right after it runs for a moment. I don't recall this in the past. Any diagnosing I can try or look for? Oh...
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    Wheel/Tire Suggestion Please

    Bone stock 2011 Denali XL on chrome rims now. (20") Chrome is flaking off and the wheel is corroding. So it is getting hard to keep the bead and stem seals now. The tire place even mentioned new rims should be on my horizon. And they don't sell rims. Here is how I use the vehicle: Curvy road...
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    6.2L Carbon?

    I understand with the direct injected engines that carbon buildup can be an issue. Also understnad that carbon can contribute to piston slapping noise as well. How are you guys or do you decarbon these 6.2L engines?
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    Exhaust buzz 6.2 Denali

    11' 6.2 Denali. Right at 3100 rpm and for a couple hun over that, it buzzes. Almost like someone with a real nazely voice. Didn't see anything loose. Anyone have this and a fix?
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    Hard Drive Noise?

    Ok it probably isn't. But My 11' Denali endlessly searches for something. You can hear it if it is quiet in the vehicle or before you start it. Is this normal or a sign of something? Also, the backup camera was fritzing on and off for a while. And now it's just off. Common problem?
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    2011 Yukon Denali Headlight Adjustment

    I see where the vertical adjustment is. Where is the left/right adjustment?
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    Electric Mirrors not adjusting

    Left will go up and down, but up only so much before it stops. Right mirror will not go left and right. Only up and down. I didn't notice this before my wife took the car to a spray wash and gave it a good washing. Anything in particular I should look at?
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    Rear controls warm/almost hot

    2011 Denali XL Rear controls seem warm almost hot regardless if the rear system is on or not. Is this normal for others? Is it an indication of anything common?
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    How do you determine age of plugs/wires?

    2011 Denali XL Just bought it a few months ago. 102000 miles. Pulled a plug, and it doesn't look new. But still has .040 gap on the irridium type plugs. Wires look fresh. But maybe the dealer cleaned them nicely. How do you know?
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    11 Denali Headlight Bulbs

    Hey can we beat this to death at least one more time? :) I have a low beam out on my Denali. So obviously I need to replace it. I don't want to replace housings or anything because they are in good shape. I also don't want to spend an obscene amount of money. But if I could spend a bit more...
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    Restoring Leather Seats

    Actually less of a restore than protection. Mine are lighter colored, and not cracked. Look pretty good. But where there is the most wear, along the lumbar etc, it is just a little worn, and thus the color looks just a little different. These are Denali ventilated seats. Is there anything...
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    Diagnosing/fixing seat that won't go forward Denali

    2011 passenger seat won't go forward. It seems to be all the way back. Move switch to the rear and it clicks. Move switch forward and no noise or anything. Where do you start with these? Anything that it usually is? The seat will move in all other directions.
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    Liftgate height fixed or adjustable?

    2011 Denali, Can the open height of the liftgate be adjusted? It's low enough to catch me in the head (I'm a little tall) and I know it's going to one of these days. And I have room at the garage door.
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    Head Room

    New to me 2011 Denali XL. Really like it. However, the seat sits pretty high for a 6'3" guy. The set will go up, and then down to a point where it stops. The thing is, I don't know if that is where it should stop. The passenger seat is about the same. Is there a measuement I can take for...

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