#8l90
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8L90 Valve body back order?
Hey everyone, I’m currently waiting on a valve body replacement for my 2017 Yukon XL Denali (6.2L, 8L90) at a GM dealership. I’ve been told the valve body is on national backorder, but I’m not getting a clear ETA or much detail beyond that. I’m trying to see if anyone here has recently...- YukonGirl2017
- Thread
- #8l90 #valvebody
- Replies: 1
- Forum: Engine & Drivetrain
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2017 Yukon XL Denali V8 6.2L 8L90 Transmission or Rear End?
Hello, I am looking for advice. I have a 2017 Yukon XL, with selectable 4WD I just purchased it not long ago. It currently has 87,639miles on it. I am trying to figure out if it is my transmission kicking or my rear end when changing gears; you can feel a clunk when your foot is on the break and...- YukonGirl2017
- Thread
- #2017yukonxl #8l90 #advice
- Replies: 11
- Forum: Engine & Drivetrain
