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    2020 sluggish throttle

    We have a sluggish throttle response in our 2020. Any quick way to reset what it’s learned? In my f150 I can turn to accessory, depress throttle fully and slowly release. After 2-3 times it’s like a new truck. Anything for this? 2020 Yukon XL SLE
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    ABS Kicking on at low speed

    My ABS kicks on at low speed stops on my 2001 Denali. I just replaced the front drivers wheel bearing that was making some humming noise. But that didn't fix it. I also have a history code of co265 EBCM relay circuit and CO281 stop lamp switch circuit open or short. Could that be causing the...
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    2 simple questions.

    Tried searching to no avail. Could be the tapatalk app Anyway. Looking for the size socket needed for wheel bearing and the torque spec of it. Also. The 3 nuts in back of wheel bearing/hub assembly are what size? What is normal operating temp of the transmission? I was sitting 150-160 in 80...
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    What exhaust??

    Looking for a cat back to replace the hack job the PO did. Can't find anything cheaper than Gibson, which is 490. Anything cheaper for the denali out there?
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    Cheap upgrade

    I have an 01 Denali with Bose. I want to replace the HU. Currently have kicker 2 way speakers in the doors, 4 ohm. I want to be able to either still power the sub or possibly replace. What's the best route. Will just replacing the HU make a difference? Right now I have to have the sound super...
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    Air-Ride failures

    I'm curious. Does anyone know what fails when the air ride fails? Is it more shocks or the compressor. If it's the compressor, is it a certain part of it? I ask as mine has gone kaputz. I have other types of air compressor systems fail before and it's always something cheap to fix, like a...
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    opinion on painting denali grille

    I am trying to decide which to do.... Paint the grill surround to match the body (all the chrome except honeycomb part. Paint it all to match body and black out the GMC logo. Paint the surround body color then black out the honeycomb part. What do you guys think?
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    Reducing Drone

    Any good tips on reducing drone on the 6.0? I bought the truck with a custom welded magnaflow muffler. They drone badly anyway. It dumps behind the rear axle, which doesn't help much. Anyway, its so bad that I can barely hear my kids and my wife and I have to basically yell at each other...
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    Bringing the Denali back to life

    My 01 Denali was well cared for and neglected at the same time. The engine is perfect. The drivetrain is great. No problems there. Had some good service receipts on the history of it. It does have 122k miles on it now. So time to freshen up the neglected part, the exterior... Plans...
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    Preparing Denali for summer work

    Just looking for recommendations on setting up my 01 Denali for towing duty this summer. I will be towing a 25ft Airstream, which weighs max 6k fully loaded (its 4100 lbs dry). Hitch weight is about 500lbs but i do have a WD hitch. Trips are all in Michigan, most 3-4 hours max, so no...
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    "HIR" conversion done

    For anyone interested in upgrading their headlamp bulbs, I will recommend the Philips "HIR" as a great option. My 01 Denali has a halogen projector low beams. The bulbs used were the Sylvania Ultras, and those tend to make more light than conventional bulbs, but run very hot and tend to last...
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    Towing with lowered denali

    Ok. I really want to drop the denali. Not a ton since the snow here can get bad, and it will be used to tow regularly. But thinking maybe a 2/3 or something similar. Is it best to just get new shocks and bypass the air ride and run bags in rear for towing or to utilize extenders for the shocks...
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    I have some general questions about the denali

    Can someone explain what the tow/haul button does? Seems to hold gears and firm up shifts Air ride? Does it only level for people in the back seat or for trailer weight also? Is there a good way to test the air ride system to see if it's functional? Thanks
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    What intake is this?

    It was on truck when I bought it. No stickers I can see. Anyone know what kind if CAI this is?
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    Performance questions

    I have a 2001 Yukon Denali. It has 120k on it. Drives good, all fresh fluids, no signs of anything wrong, yet. I will be towing a 6000lb travel trailer a few times a year. I have a few questions about upgrades. It currently has CAI, and cat back, not sure of brands, and stock tune. I...
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    Question about LED tails

    I have LED tails, I think they are Spyder, but not sure, here is what they look like... I know that you need to put a resistor in to make cruise control work again, but does putting LED tails affect the third brake light also? Mine is currently not working and with winter on the way...
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    No sound from divers side speakers.

    My Bose system in my 2001 has no sound coming from the drivers side speakers. Sounds like tweeters may be working but no mids and no sub. Is there a chance they are all just blown? Any common problems or things to look for? I don't want to replace them and have them still not work. Advice...
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    Who wants to photoshop for me?

    I think I want to plastidip my wheels, front chrome, and grill all matte black. Can anyone photoshop that for me so I can see it? Here's my denali.
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    New-to-me tow/winter/kid hauler ride

    Just got a 2001 Yukon Denali in on trade. Here's how it worked out. Traded my 2002 Jeep Grand Cherokee Limited with quadradrive, 4.7L, fully loaded with 2 inch spring lift and 130k miles. Plus my custom built 1977 yamaha XT500 converted to supermoto with 2001 YZ426 suspension, brakes...
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    Looking at this 01 denali. Few questions.

    Truck is a 2001 Denali, 123k miles. Says everything works. Here's the deal. The front pass fender has a rust spot I will need to fix or replace fender. It's got a CAI. Bottom of running board is cracked. Rear bumper cover cracked. He says no other rust. I will see it tomorrow. Needs new lift...

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