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    2007 Yukon XL transmission issue

    Hey guys. For the past couple months I've noticed a problem where: -in the morning upon first startup, put into gear, either reverse or drive, will kill the engine. Upon restarting and then putting into gear, everything is fine and working as normal, no issues throughout the day. No codes pop...
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    Just bought a 2007 Yukon XL Denali

    Thanks for all the info, will definitely look into the tranny, although my mechanic seems to think I shouldn't touch the tranny fluid at this stage. I looked under the car and noticed it has an ac delco PF48E filter. While searching other forums I found this TSB...
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    Just bought a 2007 Yukon XL Denali

    Thanks, your truck looks great! So the mechanic gave her a once over, told me that the truck looks great for its age. May have a small exhaust leak based on sound coming from engine, but nothing really to worry about. The engine was definitely taken out at one point and worked on, but he drove...
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    Just bought a 2007 Yukon XL Denali

    Thanks- I am hoping the dirty screen/oil pump pickup ring is the cause, and that will be that.. BUT, worse case scenario: what does a "spun bearing" sound like? I am assuming the engine would be behaving differently? Is there any indication of this besides oil pressure sitting where mine is?
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    Just bought a 2007 Yukon XL Denali

    As the title states, I am the new owner of this 168k mileage beast. It was a one owner truck, majority of work done by the dealer via carfax. The car runs great- no weird sounds or anything. The oil pressure is a bit low, it will idle around 15-20 psi, and then rise to around 40 psi during...

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