Recent content by Footankleg
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2018 Yukon Denali New Rough Idle
2018 Yukon Denali 6.2L, 95k miles. Recently started rough (previously smooth) idle while sitting at lights or in traffic. No codes. Tach does not move or jump, stays about 600 rpm. Mechanic changed plugs and wires, replaced an engine mount, did a fuel system cleaning with some machine and...- Footankleg
- Thread
- Replies: 3
- Forum: Engine & Drivetrain
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2018 Yukon Denali Intermittent A/C
I will definitely give that a try. Much appreciated- Footankleg
- Post #9
- Forum: Interior
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2018 Yukon Denali Intermittent A/C
That’s great information and feedback. I live in South Florida, and when I have issues, most of the time, it is extremely hot out. I open the windows and allow fresh air in for a little bit and then switch to recirculate and close the windows.The temperature in these instances is reading...- Footankleg
- Post #7
- Forum: Interior
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2018 Yukon Denali Intermittent A/C
I do not use Auto, just dial the temp and adjust fan myself. Most of the time, the ac comes on right away. My most notable issues occur from start up and then 8-10 minutes of driving before the cold air starts. I believe that the display temp always seems pretty accurate.- Footankleg
- Post #5
- Forum: Interior
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2018 Yukon Denali Intermittent A/C
I will paraphrase from my invoices: They replaced high voltage cables for possible voltage drop. Battery replaced unrelated to AC Recover evacuated and charge: had proper charge, tested all sensors in hvac case. ,tested hvac pressures-in spec. Checked battery voltage/load, voltage drop...- Footankleg
- Post #3
- Forum: Interior
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2018 Yukon Denali Intermittent A/C
My AC works well and blows very cold, the majority of the time. Periodically, however, it does not blow cold air for a period of time, and then all of a sudden starts blowing cold air again. It seems to be most common when the vehicle has been parked and I first get in. After driving for a...- Footankleg
- Thread
- Replies: 8
- Forum: Interior
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Intermittent A/C
Same problem here. 2018 Yukon Denali. Dealer had numerous times. I had to rent a car several times. They kept saying that they found a problem and kept replacing components. I spent a bunch of money and no change. They always stated that they could not reproduce the symptoms. The worst...- Footankleg
- Post #15
- Forum: Interior
