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    Do I have the correct engine in my 07 Yukon Denali?

    Question: What’s the easiest way to identify the engine in my black 07 Yukon Denali without pulling it? I’ve owned my white 07 Yukon Denali for 6 yrs. and it has a smooth engine valley cover. But the black 07 Yukon Denali I just bought has non-smooth engine valley cover. Is there any way to...
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    Could a techm fix my symptoms?

    Hi Everybody, I’ve posted this a few years ago as a different question. Symptoms are still the same, but I’d just like to know one thing…. Could replacing the tehcm fix these issues? My 07 Yukon Denali AWD has 250,000 miles on it. Bought at 204,000 and these symptoms have been around since...
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    Timing Chain Cover Replacement

    Hey everybody, I'll be replacing a leaking timing chain cover on my 07 Yukon Denali with 200k miles. Below are a list of parts I'll be replacing. Since I'll have the cover off, would you let me know any others that'd be wise to replace? Timing cam sprocket, chain, lower sprocket, tensioner...
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    2007 Yukon Denali AWD Transmission Compatibility

    Hello, I'm looking to buy a used transmission and can't seem to find a straight answer. Do you know what other model years 6L80 fit the 2007 Yukon Denali AWD? Let me know if you need any more info. Thanks!
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    What could be the problem with my 6L80 transmission?

    My name is Kyle. I have a 07 Yukon Denali AWD with 230,000 miles on it. Bought at 204,000 and these problems have been around since purchase and have not gotten worse. Don't know if tranny fluid was replaced before I took ownership and I haven't had it changed. Fluid looks used, but still looks...

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