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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    I'm not good with mine yet. By a long shot! So I need a little help here. I'm not getting heat from my HVAC ... again. When I command the Air inlet door to move (sitting at 6 count) it doesn't. The Mode door goes up in count instead. What am I missing?
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    Anybody have any info on Outbound Automotive floor mats?

    I've never heard of them but for a set of fronts they are much less expensive than the two top known brands. They seem to have a good side lip for us in the snow\salt areas. Did a search which didn't come up with anything so I'm not too hopeful.
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    Proper rad pressure test procedure? 2004 Yukon 6.0

    I tried a search but couldn't find anything relevant. My Yukon has a very slow coolant leak which I'm not finding. It's been decades since I've done a pressure test so maybe, on a modern vehicle, I just didn't do it right. Started and drove it 9-10 miles to my cousins shop. BS'd a bit then...
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    Need help on '04 Denali sunroof issue

    My problem is that I can't seem to get it "parked". It goes from slightly open, to closed but popped up at the back. No in between no matter how quickly I tap\push\press the button. Then there is a wind whistle. Would it be possible to unhook connection or battery and just manually push it...
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    Should I be able to "hear" the speedo stepper motor?

    I've only had my '04 Yukon Denali a few months and have noticed a few odd (to me) sounds. There is a "whirring" noise from the cluster that only occurs when moving. It goes up and down, in pitch, seemingly with speed. Research would indicate a speedometer stepper motor. Should it BE audible or...

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