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    2006 denali AC

    From what you've written I'd think (I'm no expert) that the cabin temperature control module needs replacing. On my '04 everything worked except the temp. adjust. But first pull it from the dash and make sure the wiring harness from the back isn't routed over a metal brace and chafed. Good luck...
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    Well ... that was cool. 30 minutes of impressive fireworks from a "city" of 20000 people. I was in Vancouver, B.C. for the Canada Day celebration and it wasn't too much more spectacular. A little longer maybe ... but not better. I think a few people got shot unless my hearing is going. Shotgun...
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    I think he was referring to my question about whether everything runs through the radio. The CANBus system. I want my old truck back. This is tiresome.
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    The manual he sent to me didn't have a bunch of stuff that is on the Denali. It was missing the correct transfer case and some wiring diagrams. Which you wouldn't know till you dug into it. He sent me a generic 2000-2006 Suburban manual. Even though I specifically asked for the Denali manual. I...
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    Thanks James! Did you join them? Have all your hair? ;) I feel sorry for families with little kids where I live. The city fireworks show is on tonight up here but full dark doesn't come till 11:00 p.m. I'm betting there will be some cranky kids tomorrow. IF they manage to stay awake for it...
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    I tried to come at it from a different way last night. Got into HVAC/Data Display/Sensor Data. The Sensor Data screen came up for 1 second then it disappeared and it said "wrong vehicle". So I backed out of the screens to double check I had the correct vehicle. I did. Walked though the screens...
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    I followed the diagnostic steps in the manual and it led me to ... flush the heater core. What?! Which is probably what led the shop I took it to last winter to do the same thing. Who charged me $385 after I told them it had to be an actuator problem. I was choked! If your lines in and out are...
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    Tech2 Expert help needed. Question about HVAC on '04 Denali

    I tried a re-calibration first and it "seemed" to work. As in, it changed to the starting temp. then changed from defrost to panel to floor etc. I couldn't hear the actuators moving exactly as it was raining. I think I understand what you mean. You are saying that you have to enter the exact...
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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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    Is buying a Tech 2 worth it?

    Yup. EDIT: They were really responsive to my queries, if in somewhat poor English but better than my Mandarin. I'm sure they would be glad to answer any questions you'd have. Send 'em a question!
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    Is buying a Tech 2 worth it?

    I ... I ... beg yo pahdon!? with apologies to Foghorn Leghorn
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    Is buying a Tech 2 worth it?

    https://www.aliexpress.com/item/tech2-diagnostic-tool-for-G-M-SAAB-OPEL-SUZUKI-ISUZU-Holden-g-m-tech-2-scanner/32853187337.html?spm=a2g0s.9042311.0.0.2b494c4db6C9tw
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    Is buying a Tech 2 worth it?

    Awesome! I should have asked on here ......... :oops: DHL took 2 weeks for me to get mine from China. But it sat in Customs for 5 days. Not bad. It took me three weeks to get stuff from Germany using DHL and the postal system. Apparently they put it on a pack mule across Canada. ;)
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    Is buying a Tech 2 worth it?

    It works on Win7? Geez! I read it would only work on WinXP Pro ... so that's what I put together. *sigh*
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    Is buying a Tech 2 worth it?

    I bought mine from aliexpress.com for ?? $400 CDN plus tax and duty. I believe, and I may be wrong, that any of the Tech2's are Chinese manufactured, mine came with all the "correct" decals of Vetronix, they just weren't applied. Which suggests that all come from the original factory but...
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    Is buying a Tech 2 worth it?

    Just look for the seller with the highest ratings. Don't order the carrying case as the shipping will be atrocious. They seem very eager to satisfy as my TIS2000 disk had a gouge in it and after I brought it to their attention they immediately sent me another. They called mine a "tool kit" on...
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    looking for factory service manual pdf

    Try a different .pdf reader like Sumatra pdf. It's free. Might work for you.
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    Tire Chains on 2018 Yukon Denali with 22" wheels?

    Bigbeardenali1992 has provided what should be the last word needed on the subject seeing as how he lives in California. As he stated. You have to carry 'em, you don't have to put 'em on. The comment about chains wrecking radial tires left me puzzled. What do you think is on large on\off...
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    Useless Information

    I had one similar to this but it got lost https://www.amazon.com/Milescraft-Inc-1314-Drill-Pump/dp/B00F1ZJG5E/ref=pd_cp_263_2?_encoding=UTF8&pd_rd_i=B00F1ZJG5E&pd_rd_r=XS3SVBPHC1P80HAK87WP&pd_rd_w=SeO58&pd_rd_wg=cG8Cc&psc=1&refRID=XS3SVBPHC1P80HAK87WP What I wish I had was this...
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    Useless Information

    L O L. of course, how silly of me ;)
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    Useless Information

    stb = ??
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    Useless Information

    "I remember reading before someone who suggested that the 4l60 liked a little overfill." I hope that is correct as I was given the incorrect capacity by dealer and it's over the full mark now. I'm just glad I stopped to check before I added the exact amount that was recommended. Grr.
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    Useless Information

    Reminds me of the time I visited my cousin in San Bernadino,CA. I rented a K-car in 1990 to toodle around. The freeway into L.A. FREAKED me out! JUST like that! I wanted OFF in the worst way but couldn't see a way to do it ... for miles. And miles. Much respect for all you peeps who have to do...
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    Useless Information

    I've been casually following this thread and was puzzled why people drove fast but wanted good mileage. Or rather expected it. 1600 r.p.m. has been the sweet spot and what you get is what you get ... for ME. But I CAN drive 55mph without someone wanting to shoot me\rip my head off. Just...
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    Pete's (Now Nate's) 2003 Denali Budget Build thread

    My '77 442 with the 403 was ... anemic to say the least. But long legged. ;)

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