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2012 Yukon XL 6L80 lost 4/5/6
So my wife's 2012 lost 4/5/6 the other day. 1-3 work perfectly. Truck only has 99 k on it, trans was serviced around 60k. Fluid is full and looks about as you'd expect. There's no CEL. No bucking or anything, just shifts into 4th and VROOOM. Everything I've seen online says things from the...- WillL84
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- Replies: 2
- Forum: Engine & Drivetrain
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2012 Yukon Denali 6L80 Issues/Advice
Hi, did you ever find out what was wrong with your trans? My wife's 2012 Yukon XL just lost 4/5/6 the other day, only 99k on it.- WillL84
- Post #56
- Forum: Engine & Drivetrain
