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Transmission flush at 107K, transmission shudder at 111K…♂️♂️♂️
Folks. On my 2020 Yukon I did the “recommended” maintenance and changed the tranny fluid at over 107K miles. Now at 111K I’m getting that damn tranny shudder, rpm’s up and down, and hard shifting. Mechanic said it was a bad idea to change the fluid. Any insight???- Bigell
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- Replies: 19
- Forum: Engine & Drivetrain
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2020 Yukon 108K miles: suspension leak? And what’s that banging noise?
2020 Yukon 108K miles…The air suspension kicks in while I’m idle a little too often nowadays. It runs for like 20 seconds multiple times a day, I’m thinking it has a leaky bag or the compressor is going, and my BS warranty doesn’t cover it Also this might sound weird, but when I park my truck...- Bigell
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- Replies: 2
- Forum: Street Suspension
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ABS, STABILITRAK LIGHTS ON 2020 YUKON SLT
…On my 2020 Yukon SLT- here’s the issue::::The Stabilitrak and Abs lights came on last week, this was after a couple of really bad snow days. Code reader kicked out 4 codes that indicated the right front wheel speed sensor had a problem. U0422-71, C0040-05, 08, 3A. I changed the sensor, cleaned...- Bigell
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- Replies: 2
- Forum: General Discussion
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Got this ABS CODE, changed the sensor and code is still active. What could the issue be? U0422-71(4 / 4) MIL-Invalid Data Received
U0422-71(4 / 4) CurrentInvalid Data Received From Body Control Module - Invalid Data- Bigell
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- Replies: 13
- Forum: Audio & Electronics
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2020 Yukon Air Suspension
On my 2020 Yukon, the air suspension in the driver side rear needs replacing, which is not a problem. The other day I parked in the driveway, turned the engine off and heard/felt a loud bang as the truck jerked forward, almost like I parked on a hill and didn’t use the parking brake. Could the...- Bigell
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- Replies: 0
- Forum: General Discussion
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Time to Upgrade? Or am I just bored?!
Folks, I have a 2020 Yukon SLT with 80K miles on the dash. I purchased it in 2022 with 41K miles and I have no problem with it besides the AC lines clogging and needing replacement. Recently I’ve been getting that new car feeling again. Thinking about a 2023 Denali or 2023 Tahoe R71.Any...- Bigell
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- Replies: 11
- Forum: General Discussion
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2020 Yukon.A/C not working, low pressure PSI is at 20, and just gets lower when I attach the Avalanche AC Recharge…
Maaaan, I have a 2020 Yukon, and the AC decided to crap out yesterday on probably the last hot day of the year out here in PA. It looks like the unit isn’t engaging at all, just blows semi-hot air. I used the Avalanche Recharge canister, and the PSI on the low pressure side doesn’t go past 19... -
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Dead rodent in ductwork..yuck
So last week I asked how to get the horrible smell out of my 2020 Yukon. Great ideas, but temporary results. So I bought a camera with a scope from Amazon, put it thru the duct under the glove compartment and I see a dead rodent. So my question is how the hell do I remove the ductwork to get... -
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What is that damn smell??
About a week ago I moved my my 2020 Yukon out of the driveway, turned the AC on (as it was almost 90 degrees), and got the funkiest odor out of the vent and a noise like a bunch of leaves on the blower. I found a nest on the filter, changed it, cleaned the blower off, so no more leaves. But for... -
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Tranny Slipping Downhill?
In my 2020 Yukon SLT w/49K this afternoon, I was driving down a pretty steep hill at around 40MPH. I felt the truck jerk and it dropped gears and speed not once, but twice. I drove maybe another half mile or so but it didn’t happen again. Anyone ever experience this? I paid around 40Grand for...- Bigell
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- Replies: 19
- Forum: Engine & Drivetrain
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Damn Squrrels!!!
What’s up folks!!?? I have a p0302 code, stabilitrak and flashing engine light on my 2011 Tahoe. Checked the #2 coil, no sparks, bought a coil and planned to replace it. Opened the engine cover and the wires were chewed right through. Now my dilemma is do I change the wire harness for all the...
